Wigner distribution measurement of the spatial coherence properties of FLASH
|
|
- Martha Caldwell
- 6 years ago
- Views:
Transcription
1 Wigner distribution measurement of the spatial coherence properties of FLASH Tobias Mey Laser-Laboratorium Göttingen e.v. Hans-Adolf-Krebs Weg 1 D Göttingen
2 EUV wavefront sensor Experimental setup at BL2 = nm Hartmann plate Adjustment of beam line optics by online wavefront monitoring 0.5 Yaw [mrad] w rms =15.5nm w rms =3.5nm w rms =2.6nm w rms =2.6nm w rms =5.9nm 0.0 w rms =13nm [1] B. Flöter et al, Beam parameters of FLASH beamline BL1 from Hartmann wavefront measurements, Nucl. Instrum. Meth. A 635 (2011) Pitch [mrad]
3 EUV wavefront sensor Experimental setup at BL2 = nm Hartmann plate before adjustment after adjustment Wavefront w rms ~ 10nm w rms ~ 2.5nm ~ /10 Intensity [2] B. Flöter et al, EUV Hartmann sensor for wavefront measurements at the Free-electron LASer in Hamburg, New J. Phys. 12 (2010)
4 EUV wavefront sensor High pulse-to-pulse stability! Adjustment of active KB-system 10µm x 10µm focal size Online optics alignment at MLS synchrotron at 13.5 nm 4
5 Motivation Coherent diffractive imaging [4] [3] 200nm 1µm 2µm [5] Decreasing coherence [3] H. N. Chapman et al., Femtosecond diffractive imaging with a soft-x-ray free-electron laser, Nature Phys. 2, (2006) [4] M. M. Seibert et al., Single mimivirus particles intercepted and imaged with an X-ray laser, Nature 470, (2011) [5] B. Chen et al., Diffraction imaging: The limits of partial coherence, Phys. Rev. B 86, (2012) 5
6 Coherence x x 1 x 2 Mutual coherence function Γ x, s = E x 1, t E (x 2, t) = E x s/2, t E (x + s/2, t) s = x 2 x 1 Local degree of coherence Γ x, s γ x, s = I x s/2 I x + s/2 Global degree of coherence K = Γ x, s 2 dxds Γ x, 0 dx 2 required for interference effects [6] M. Born and B. Wolf, Principles of Optics, Cambridge University Press (1980) 6
7 Coherence Interference of elementary waves γ(x, s) 2a x + s/2 x s/2 s I x, y = I 0 J 1 2πar λd 2πar λd γ x, s cos 2πs λd x [6] r = x² + y² d γ x, s = 0.7 [6] M. Born and B. Wolf, Principles of Optics, Cambridge University Press (1980) 7
8 Coherence γ 0, 0, s x, 0 = exp s x 2 2 l c 2 Gaussian Schell model l c Coherence length l c 8
9 Coherence Gaussian Schell model K = 0.42 ± 0.09 γ x, y, s x, s y 4D-distribution γ(0,0, s x, 0) γ( l h = 6.2µm l v = 8.7µm [7] A. Singer et al., Spatial and temporal coherence properties of single free-electron laser pulses, Opt. Expr. 20, (2012) 9
10 Wigner distribution function y Spatial coordinate x = x y Mutual coherence function v z x h x, u = k 2π 2 Γ x, s e iku s d 2 s Wigner distribution Radiation angle u = u v Eugene Paul Wigner Nobel price 1963 (with J. H. D. Jensen and Generalized radiance : emitted M. Goeppert-Mayer) radiation from position x in direction u Wilhelm-Weber-Straße 22, Göttingen h = W m 2 sr [8] M. J. Bastiaans, Application of the Wigner distribution function to partially coherent light, J. Opt. Soc. Am. A 3, (1986) 10
11 Wigner distribution function y Spatial coordinate x = x y Mutual coherence function v z x h x, u = k 2π 2 Γ x, s e iku s d 2 s Wigner distribution Radiation angle u = u v Irradiance Radiance Global degree of coherence I x = h x, u dudv Near field I u = 2π 2 h x, u dxdy Far field h x, u ²dx²du² K = λ2 h x, u dx²du² [8] M. J. Bastiaans, Application of the Wigner distribution function to partially coherent light, J. Opt. Soc. Am. A 3, (1986) 11
12 Gaussian Schell-model y Separability h x, u = h x x, u h y (y, v) θ x d 0,x Wigner distribution at waist position h x x, u = h 0 exp 8 x2 2 exp 8 u2 2 d 0,x θ x Global degree of coherence K = 4 π λ d 0,x θ x Phase space volume (constant after Liouville) 12
13 Gaussian Schell-model y Separability h x, u = h x x, u h y (y, v) Wigner distribution at waist position h x x, u = h 0 exp 8 x2 2 exp 8 u2 2 d 0,x θ x Propagation of the Wigner distribution h x x, u z = h x (x z u, u) 13
14 Gaussian Schell-model y Separability h x, u = h x x, u h y (y, v) Wigner distribution at waist position h x x, u = h 0 exp 8 x2 2 exp 8 u2 2 d 0,x θ x Propagation of the Wigner distribution h x x, u z = h x (x z u, u) 14
15 Caustic scan Phosphor screen Microscope objective Manipulator CCD Camera FLASH Wavelength 24.7 nm Pulse energy 35 µj Repetition rate 10 Hz Camera Eff. pixel size 0.645µm Exposure time 1.5s 15
16 Caustic scan Phosphor screen Mikroscope objective Manipulator CCD Camera 16
17 Wigner distribution Projection-slice theorem [9] h q x, z q x = I z q x I(x, y)dy [9] A. Torre, Linear ray and wave optics in phase space, Elsevier B.V. Netherlands (2005) 17
18 Wigner distribution Projection-slice theorem [9] h q x, z q x = I z q x [9] A. Torre, Linear ray and wave optics in phase space, Elsevier B.V. Netherlands (2005) 18
19 Wigner distribution Projection-slice theorem [9] Log h h q x, z q x = I z q x 4D reconstruction h q, z q = I z q [9] A. Torre, Linear ray and wave optics in phase space, Elsevier B.V. Netherlands (2005) 19
20 Wigner distribution h x x, u = h x, y, u, v dydv h y y, v = h x, y, u, v dxdu [10] T. Mey et al., Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH, Opt. Expr. 22, (2014) 20
21 Wigner distribution Measurement Reconstruction 21
22 Coherence properties h x, y, u, v Coherent area FFT Γ x, y, s x, s y Normalization Beam area γ x, y, s x, s y Wavelength Beam diameter Coherence length Global degree of λ [nm] d x / d y [µm] l x / l y [µm] coherence K Wigner [10] / / Double pinhole [7] / / [7] A. Singer et al., Spatial and temporal coherence properties of single free-electron laser pulses, Opt. Expr. 20, (2012) [10] T. Mey et al., Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH, Opt. Expr. 22, (2014) 22
23 Coherence properties Hanbury Brown-Twiss [12] (Singer, 2013) Double pinhole [7] (Singer, 2012) Michelson interferometer [13] (Hilbert, 2014) Double slit [11] (Singer, 2008) Wigner [10] (Mey, 2014) [7] A. Singer et al., Opt. Expr. 20, (2012) [10] T. Mey et al., Opt. Expr. 22, (2014) [11] A. Singer et al., Phys. Rev. Lett. 101, (2008) [12] A. Singer et al., Phys. Rev. Lett. 111, (2013) [13] V. Hilbert et al., Appl. Phys. Lett. 105, (2014) 23
24 Thanks to Optics/Short Wavelengths Dr. Klaus Mann Dr. Bernd Schäfer Dr. Barbara Keitel Dr. Marion Kuhlmann Dr. Elke Plönjes-Palm and to you for your kind attention!
25 Saturation effects Short wavelength Raise electron energy γ Divergence θ 1 γ Saturation after 22 gain lengths (L g 2.5m) L g γ z/l g 25
26 4D - Wigner distribution 26
27 4D - Wigner distribution TEM 10 TEM 02 TEM 03 +TEM 10 TEM 01 27
28 4D - Wigner distribution TEM 10 TEM 02 TEM 03 TEM 01 +TEM 10 h 1 h 2 h 3 h 1 h 0 + h 0 h 1 dxdu h dydv h dxdu h dxdu h dxdu h n x, u = 1 n π exp 8x2 2 d 8u2 2 L 0,x θ n 2 8x2 2 x d + 8u2 2 0,x θ x L n Laguerre Polynom vom Grad n [7] A. Torre, Linear ray and wave optics in phase space, Elsevier B.V. Netherlands (2005) [12] T. Mey, Measurement of the Wigner distribution function of non-separable laser beams employing a toroidal mirror, New J. Phys. 16, (2014) 28
29 4D - Wigner distribution TEM 10 TEM 02 TEM 03 TEM 01 +TEM 10 Global degree of coherence K Theory Experiment h 3 h 1 h 0 + h 0 h 1 dxdu TEM TEM TEM h dxdu h dxdu TEM TEM 01 +TEM [7] A. Torre, Linear ray and wave optics in phase space, Elsevier B.V. Netherlands (2005) [12] T. Mey, Measurement of the Wigner distribution function of non-separable laser beams employing a toroidal mirror, New J. Phys. 16, (2014) 29
30 Brillanz 30
31 Funktionsprinzip FEL Photonen Wellenlänge λ p = λ u 2γ K 2 u 2 Undulator Parameter K u = eλ ub 0 2πm e c 31
32 Streifen durch Spiegel 32
33 FLASH - Wigner-Verteilung Messung Rekonstruktion separierbar 33
34 FLASH - Wigner-Verteilung Messung Rekonstruktion nicht-separierbar 34
35 FLASH - Wigner-Verteilung Messung 2D Rekonstruktion 4D Rekonstruktion 35
36 Fluktuationen FLASH - Schwerpunkt Nahfeld d 0 = 50/40 µm Fernfeld θ = 5.1/3.7 mrad 36
37 Fluktuationen FLASH - Durchmesser Nahfeld d 0 = 50/40 µm Fernfeld θ = 5.1/3.7 mrad 37
38 Fluktuationen FLASH - Kohärenz K = 16λ2 π 2 1 d 0,x d 0,y θ x θ y ΔK = Δd 0,x d 0,x 2 + Δd 0,y d 0,y 2 + Δθ x θ x 2 + Δθ y θ y 2 K Durchmesser/Divergenz Kohärenz-Fluktuation K 1.5 K ΔK = 0.08 K K = ±
39 Wigner-Verteilung und CDI 39
40 FLASH - Wigner-Verteilung System-Matrix: Propagation von Strahltaille zu Kamera-Position S(z, φ) = A B C D Rekonstruktions-Vorschrift Freie Propagation: h q x, z q x = I z q x Allgemein: h A q x, B q x = I z q x 40
41 Systemmatrix 4D Messung S z, φ = Sprop z S tilt,α Srot φ S toroid Srot φ 1 1 S tilt,α Sprop( z 0 ) Sprop z = z z S tilt,α = cosα 0 0 1/ cosα / cosα 0 0 cosα S toroid = cosφ sinφ sinφ cosφ 0 0 Srot(φ) = 2/R t cosφ sinφ 0 2/R 0 0 sinφ cosφ s
Wavefront metrology and beam characterization in the EUV/soft X-ray spectral range
2 nd Swedish-German Workshop on X-Ray Optics HZB Berlin-Adlershof, 28-30 April 2015 Wavefront metrology and beam characterization in the EUV/soft X-ray spectral range K. Mann J.O. Dette, J. Holburg, F.
More informationTable-top EUV/Soft X-ray Source and Wavefront Measurements at Short Wavelengths
Table-top EUV/Soft X-ray Source and Wavefront Measurements at Short Wavelengths K. Mann J.O. Dette, F. Kühl, U. Leinhos, M. Lübbecke, T. Mey, M. Müller, M. Stubenvoll, J. Sudradjat, B. Schäfer Laser-Laboratorium
More informationThe European XFEL in Hamburg: Status and beamlines design
UVX 2010 (2011) 63 67 DOI: 10.1051/uvx/2011009 C Owned by the authors, published by EDP Sciences, 2011 The European XFEL in Hamburg: Status and beamlines design J. Gaudin, H. Sinn and Th. Tschentscher
More informationBrightness and Coherence of Synchrotron Radiation and Free Electron Lasers. Zhirong Huang SLAC, Stanford University May 13, 2013
Brightness and Coherence of Synchrotron Radiation and Free Electron Lasers Zhirong Huang SLAC, Stanford University May 13, 2013 Introduction GE synchrotron (1946) opened a new era of accelerator-based
More informationIntroduction to electron and photon beam physics. Zhirong Huang SLAC and Stanford University
Introduction to electron and photon beam physics Zhirong Huang SLAC and Stanford University August 03, 2015 Lecture Plan Electron beams (1.5 hrs) Photon or radiation beams (1 hr) References: 1. J. D. Jackson,
More informationDiagnostic Systems for Characterizing Electron Sources at the Photo Injector Test Facility at DESY, Zeuthen site
1 Diagnostic Systems for Characterizing Electron Sources at the Photo Injector Test Facility at DESY, Zeuthen site Sakhorn Rimjaem (on behalf of the PITZ team) Motivation Photo Injector Test Facility at
More informationSpatial coherence measurement
Spatial coherence measurement David Paterson Argonne National Laboratory A Laboratory Operated by The University of Chicago Motivation Third generation synchrotrons produce very bright, partially coherent
More informationSUPPLEMENTARY INFORMATION
doi:10.1038/nature10721 Experimental Methods The experiment was performed at the AMO scientific instrument 31 at the LCLS XFEL at the SLAC National Accelerator Laboratory. The nominal electron bunch charge
More informationCONCEPTUAL STUDY OF A SELF-SEEDING SCHEME AT FLASH2
CONCEPTUAL STUDY OF A SELF-SEEDING SCHEME AT FLASH2 T. Plath, L. L. Lazzarino, Universität Hamburg, Hamburg, Germany K. E. Hacker, T.U. Dortmund, Dortmund, Germany Abstract We present a conceptual study
More information4 FEL Physics. Technical Synopsis
4 FEL Physics Technical Synopsis This chapter presents an introduction to the Free Electron Laser (FEL) physics and the general requirements on the electron beam parameters in order to support FEL lasing
More informationEXTREME ULTRAVIOLET AND SOFT X-RAY LASERS
Chapter 7 EXTREME ULTRAVIOLET AND SOFT X-RAY LASERS Hot dense plasma lasing medium d θ λ λ Visible laser pump Ch07_00VG.ai The Processes of Absorption, Spontaneous Emission, and Stimulated Emission Absorption
More informationX-ray Free-electron Lasers
X-ray Free-electron Lasers Ultra-fast Dynamic Imaging of Matter II Ischia, Italy, 4/30-5/3/ 2009 Claudio Pellegrini UCLA Department of Physics and Astronomy Outline 1. Present status of X-ray free-electron
More informationWaseda University. Design of High Brightness Laser-Compton Light Source for EUV Lithography Research in Shorter Wavelength Region
Waseda University Research Institute for Science and Engineering Design of High Brightness Laser-Compton Light Source for EUV Lithography Research in Shorter Wavelength Region Research Institute for Science
More informationShort Wavelength Regenerative Amplifier FELs (RAFELs)
Short Wavelength Regenerative Amplifier FELs (RAFELs) Neil Thompson, David Dunning ASTeC, Daresbury Laboratory, Warrington UK Brian McNeil Strathclyde University, Glasgow, UK Jaap Karssenberg & Peter van
More informationSynchrotron Radiation Representation in Phase Space
Cornell Laboratory for Accelerator-based ScienceS and Education () Synchrotron Radiation Representation in Phase Space Ivan Bazarov and Andrew Gasbarro phase space of coherent (left) and incoherent (right)
More informationDevelopments for the FEL user facility
Developments for the FEL user facility J. Feldhaus HASYLAB at DESY, Hamburg, Germany Design and construction has started for the FEL user facility including the radiation transport to the experimental
More informationEUV Reflectivity measurements on Acktar Sample Magic Black
Report EUV Reflectivity measurements on Acktar Sample Magic Black S. Döring, Dr. K. Mann Laser-Laboratorium Göttingen e.v. October 28, 2011 Contents 1 Introduction 3 2 Setup 3 3 Measurements 4 4 Conclusion
More informationPHY410 Optics Exam #3
PHY410 Optics Exam #3 NAME: 1 2 Multiple Choice Section - 5 pts each 1. A continuous He-Ne laser beam (632.8 nm) is chopped, using a spinning aperture, into 500 nanosecond pulses. Compute the resultant
More informationLight Source I. Takashi TANAKA (RIKEN SPring-8 Center) Cheiron 2012: Light Source I
Light Source I Takashi TANAKA (RIKEN SPring-8 Center) Light Source I Light Source II CONTENTS Introduction Fundamentals of Light and SR Overview of SR Light Source Characteristics of SR (1) Characteristics
More informationCoherent X-Ray Sources: Synchrotron, ERL, XFEL
Coherent X-Ray Sources: Synchrotron, ERL, XFEL John Arthur SSRL/SLAC Energy Recovery Linac Science Workshop Cornell University 2 December 2000 Supported by the US Dept. of Energy, Office of Basic Energy
More informationCommissioning of the new Injector Laser System for the Short Pulse Project at FLASH
Commissioning of the new Injector Laser System for the Short Pulse Project at FLASH Uni Hamburg tim.plath@desy.de 05.11.2013 Supported by BMBF under contract 05K10GU2 & FS FLASH 301 Motivation short pulses
More informationAt-wavelength figure metrology of hard x-ray focusing mirrors
REVIEW OF SCIENTIFIC INSTRUMENTS 77, 063712 2006 At-wavelength figure metrology of hard x-ray focusing mirrors Hirokatsu Yumoto, a Hidekazu Mimura, Satoshi Matsuyama, Soichiro Handa, and Yasuhisa Sano
More informationTransverse Coherence Properties of the LCLS X-ray Beam
LCLS-TN-06-13 Transverse Coherence Properties of the LCLS X-ray Beam S. Reiche, UCLA, Los Angeles, CA 90095, USA October 31, 2006 Abstract Self-amplifying spontaneous radiation free-electron lasers, such
More informationAMO physics with LCLS
AMO physics with LCLS Phil Bucksbaum Director, Stanford PULSE Center SLAC Strong fields for x-rays LCLS experimental program Experimental capabilities End-station layout PULSE Ultrafast X-ray Summer June
More informationGeneration and Applications of High Harmonics
First Asian Summer School on Aug. 9, 2006 Generation and Applications of High Harmonics Chang Hee NAM Dept. of Physics & Coherent X-ray Research Center Korea Advanced Institute of Science and Technology
More informationTHz field strength larger than MV/cm generated in organic crystal
SwissFEL Wir schaffen Wissen heute für morgen 1 2 C. Vicario 1, R. Clemens 1 and C. P. Hauri 1,2 THz field strength larger than MV/cm generated in organic crystal 10/16/12 Workshop on High Field THz science
More informationFemtosecond time-delay holography Henry Chapman Centre for Free-Electron Laser Science - DESY Lawrence Livermore National Laboratory
Femtosecond time-delay holography Henry Chapman Centre for Free-Electron Laser Science - DESY Lawrence Livermore National Laboratory Henry.Chapman@desy.de Isaac Newton Opticks 1704 Newton was the first
More informationDetection of Single Photon Emission by Hanbury-Brown Twiss Interferometry
Detection of Single Photon Emission by Hanbury-Brown Twiss Interferometry Greg Howland and Steven Bloch May 11, 009 Abstract We prepare a solution of nano-diamond particles on a glass microscope slide
More informationPhysik und Anwendungen von weicher Röntgenstrahlung I (Physics and applications of soft X-rays I)
Physik und Anwendungen von weicher Röntgenstrahlung I (Physics and applications of soft X-rays I) Sommersemester 2015 Veranstalter : Prof. Dr. Ulf Kleineberg (ulf.kleineberg@physik.uni-muenchen.de) LMU,
More informationLaser and pinching discharge plasmas spectral characteristics in water window region
Laser and pinching discharge plasmas spectral characteristics in water window region P Kolar 1, M Vrbova 1, M Nevrkla 2, P Vrba 2, 3 and A Jancarek 2 1 Czech Technical University in Prague, Faculty of
More informationX-Ray Diffraction as a key to the Structure of Materials Interpretation of scattering patterns in real and reciprocal space
X-Ray Diffraction as a key to the Structure of Materials Interpretation of scattering patterns in real and reciprocal space Tobias U. Schülli, X-ray nanoprobe group ESRF OUTLINE 1 Internal structure of
More informationA Single-Beam, Ponderomotive-Optical Trap for Energetic Free Electrons
A Single-Beam, Ponderomotive-Optical Trap for Energetic Free Electrons Traditionally, there have been many advantages to using laser beams with Gaussian spatial profiles in the study of high-field atomic
More informationHolography and Optical Vortices
WJP, PHY381 (2011) Wabash Journal of Physics v3.3, p.1 Holography and Optical Vortices Z. J. Rohrbach, J. M. Soller, and M. J. Madsen Department of Physics, Wabash College, Crawfordsville, IN 47933 (Dated:
More informationThe MID instrument.
The MID instrument International Workshop on the Materials Imaging and Dynamics Instrument at the European XFEL Grenoble, Oct 28/29, 2009 Thomas Tschentscher thomas.tschentscher@xfel.eu Outline 2 History
More informationCoherent X-ray Diffraction on Quantum Dots
Coherent X-ray Diffraction on Quantum Dots Ivan Vartaniants HASYLAB, DESY, Hamburg, Germany Or Coming Back to Crystallography Participants of the Project University of Illinois, Urbana-Champaign, IL, USA
More informationPB I FEL Gas-Monitor Detectors for FEL Online Photon Beam Diagnostics BESSY
FEL 2004 Gas-Monitor Detectors for FEL Online Photon Beam Diagnostics M. Richter S.V. Bobashev, J. Feldhaus A. Gottwald, U. Hahn A.A. Sorokin, K. Tiedtke BESSY PTB s Radiometry Laboratory at BESSY II 1
More informationLaser Optics-II. ME 677: Laser Material Processing Instructor: Ramesh Singh 1
Laser Optics-II 1 Outline Absorption Modes Irradiance Reflectivity/Absorption Absorption coefficient will vary with the same effects as the reflectivity For opaque materials: reflectivity = 1 - absorptivity
More informationSEMATECH 157nm Technical Review
SEMATECH 157nm Technical Review Technical Status Report on F2 - Lasers for 157nm Lithography I. Klaft a), F. Voss a), I. Bragin a), E. Bergmann a), T. Nagy a), N. Niemöller a), K.Vogler a), S. Spratte
More informationSUPPLEMENTARY INFORMATION
SUPPLEMENTARY INFORMATION DOI: 10.1038/NPHYS2397 Strong-field physics with singular light beams M. Zürch, C. Kern, P. Hansinger, A. Dreischuh, and Ch. Spielmann Supplementary Information S.1 Spectrometric
More informationMethoden moderner Röntgenphysik I. Coherence based techniques II. Christian Gutt DESY, Hamburg
Methoden moderner Röntgenphysik I Coherence based techniques II Christian Gutt DESY Hamburg christian.gutt@desy.de 8. January 009 Outline 18.1. 008 Introduction to Coherence 8.01. 009 Structure determination
More informationCoherence properties of the radiation from SASE FEL
CERN Accelerator School: Free Electron Lasers and Energy Recovery Linacs (FELs and ERLs), 31 May 10 June, 2016 Coherence properties of the radiation from SASE FEL M.V. Yurkov DESY, Hamburg I. Start-up
More informationHigh-Harmonic Generation II
Soft X-Rays and Extreme Ultraviolet Radiation High-Harmonic Generation II Phasematching techniques Attosecond pulse generation Applications Specialized optics for HHG sources Dr. Yanwei Liu, University
More informationImaging applications of Statistical Optics
Imaging applications of Statistical Optics Monday Radio Astronomy Michelson Stellar Interferometry Coherence Imaging Rotational Shear Interferometer (RSI) Wednesday Optical Coherence Tomography (OCT) 03/14/05
More informationSpatial coherence measurement of X-ray undulator radiation
1 August 2001 Optics Communications 195 2001) 79±84 www.elsevier.com/locate/optcom Spatial coherence measurement of X-ray undulator radiation D. Paterson a, *, B.E. Allman a, P.J. McMahon a, J. Lin a,
More informationConstruction of a 100-TW laser and its applications in EUV laser, wakefield accelerator, and nonlinear optics
Construction of a 100-TW laser and its applications in EUV laser, wakefield accelerator, and nonlinear optics Jyhpyng Wang ( ) Institute of Atomic and Molecular Sciences Academia Sinica, Taiwan National
More informationExperimental Optimization of Electron Beams for Generating THz CTR and CDR with PITZ
Experimental Optimization of Electron Beams for Generating THz CTR and CDR with PITZ Introduction Outline Optimization of Electron Beams Calculations of CTR/CDR Pulse Energy Summary & Outlook Prach Boonpornprasert
More informationSLAC Summer School on Electron and Photon Beams. Tor Raubenheimer Lecture #2: Inverse Compton and FEL s
SLAC Summer School on Electron and Photon Beams Tor Raubenheimer Lecture #: Inverse Compton and FEL s Outline Synchrotron radiation Bending magnets Wigglers and undulators Inverse Compton scattering Free
More informationCourse 2: Basic Technologies
Course 2: Basic Technologies Part II: X-ray optics What do you see here? Seite 2 wavefront distortion http://www.hyperiontelescopes.com/performance12.php http://astronomy.jawaid1.com/articles/spherical%20ab
More informationSimulation of transverse emittance measurements using the single slit method
Simulation of transverse emittance measurements using the single slit method Rudolf Höfler Vienna University of Technology DESY Zeuthen Summer Student Program 007 Abstract Emittance measurements using
More informationDesign of an x-ray split- and delay-unit for the European XFEL
Invited Paper Design of an x-ray split- and delay-unit for the European XFEL Sebastian Roling 1*, Liubov Samoylova 3, Björn Siemer 1, Harald Sinn 3, Frank Siewert 2, Frank Wahlert 1, Michael Wöstmann 1
More informationThe SCSS test accelerator Free-Electron Laser seeded by harmonics produced in gas
UVX 2008 (2009) 85 91 C EDP Sciences, 2009 DOI: 10.1051/uvx/2009014 The SCSS test accelerator Free-Electron Laser seeded by harmonics produced in gas G. Lambert 1,T.Hara 2, T. Tanikawa 3, D. Garzella 4,
More informationall dimensions are mm the minus means meniscus lens f 2
TEM Gauss-beam described with ray-optics. F.A. van Goor, University of Twente, Enschede The Netherlands. fred@uttnqe.utwente.nl December 8, 994 as significantly modified by C. Nelson - 26 Example of an
More informationSOFT X-RAYS AND EXTREME ULTRAVIOLET RADIATION
SOFT X-RAYS AND EXTREME ULTRAVIOLET RADIATION Principles and Applications DAVID ATTWOOD UNIVERSITY OF CALIFORNIA, BERKELEY AND LAWRENCE BERKELEY NATIONAL LABORATORY CAMBRIDGE UNIVERSITY PRESS Contents
More informationFree Electron Laser. Project report: Synchrotron radiation. Sadaf Jamil Rana
Free Electron Laser Project report: Synchrotron radiation By Sadaf Jamil Rana History of Free-Electron Laser (FEL) The FEL is the result of many years of theoretical and experimental work on the generation
More informationRecent progress in SR interferometer
Recent progress in SR interferometer -for small beam size measurement- T. Mitsuhashi, KEK Agenda 1. Brief introduction of beam size measurement through SR interferometry. 2. Theoretical resolution of interferometry
More informationPolarization control experiences in single pass seeded FELs. Carlo Spezzani on behalf of
Polarization control experiences in single pass seeded FELs Carlo Spezzani on behalf of the FERMI team & the storage ring FEL group Outline Introduction Storage Ring FEL test facility characterization
More informationarxiv: v3 [physics.optics] 4 Feb 2016
Spatial interference of light: transverse coherence and the Alford and Gold effect arxiv:1510.04397v3 [physics.optics] 4 Feb 2016 Jefferson Flórez, 1, Juan-Rafael Álvarez, 1 Omar Calderón-Losada, 1 Luis-José
More informationInnovative XUV- und X-ray-Spectroscopy to explore Warm Dense Matter
3rd EMMI Workshop on Plasma Physics with intense Lasers and Heavy Ion Beams Innovative XUV- und X-ray-Spectroscopy to explore Warm Dense Matter Eckhart Förster X-ray Optics Group - IOQ - Friedrich-Schiller-University
More informationLASER-COMPTON SCATTERING AS A POTENTIAL BRIGHT X-RAY SOURCE
Copyright(C)JCPDS-International Centre for Diffraction Data 2003, Advances in X-ray Analysis, Vol.46 74 ISSN 1097-0002 LASER-COMPTON SCATTERING AS A POTENTIAL BRIGHT X-RAY SOURCE K. Chouffani 1, D. Wells
More informationHigh Energy Gain Helical Inverse Free Electron Laser Accelerator at Brookhaven National Laboratory
High Energy Gain Helical Inverse Free Electron Laser Accelerator at Brookhaven National Laboratory J. Duris 1, L. Ho 1, R. Li 1, P. Musumeci 1, Y. Sakai 1, E. Threlkeld 1, O. Williams 1, M. Babzien 2,
More informationPhysics Letters A 374 (2010) Contents lists available at ScienceDirect. Physics Letters A.
Physics Letters A 374 (2010) 1063 1067 Contents lists available at ScienceDirect Physics Letters A www.elsevier.com/locate/pla Macroscopic far-field observation of the sub-wavelength near-field dipole
More informationMultilayer Optics, Past and Future. Eberhard Spiller
Multilayer Optics, Past and Future Eberhard Spiller 1 Imaging with light Waves move by λ in 10-15 to 10-19 sec Wave trains are 10-14 to 10-18 sec long Each wavelet contains less than 1 photon Eye responds
More informationExperimental generating the partially coherent and partially polarized electromagnetic source
Experimental generating the partially coherent and partially polarized electromagnetic source Andrey S Ostrovsky,* Gustavo Rodríguez-Zurita, Cruz Meneses-Fabián, Miguel Á Olvera-Santamaría, and Carolina
More informationCheck the LCLS Project website to verify 2 of 6 that this is the correct version prior to use.
1. Introduction The XTOD Offset Systems are designed to spatially separate the useful FEL radiation from high-energy spontaneous radiation and Bremsstrahlung γ-rays. These unwanted radiations are generated
More informationUltrafast X-Ray-Matter Interaction and Damage of Inorganic Solids October 10, 2008
Ultrafast X-Ray-Matter Interaction and Damage of Inorganic Solids October 10, 2008 Richard London rlondon@llnl.gov Workshop on Interaction of Free Electron Laser Radiation with Matter Hamburg This work
More informationWigner distribution function of volume holograms
Wigner distribution function of volume holograms The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Citation As Published Publisher S.
More informationObservation of ferroelectric domains in bismuth ferrite using coherent diffraction techniques
Observation of ferroelectric domains in bismuth ferrite using coherent diffraction techniques James Vale October 25, 2011 Abstract Multiferroic materials have significant potential for both the scientific
More informationFemtosecond X-ray Pulse Temporal Characterization in Free-Electron Lasers Using a Transverse Deflector. Abstract
SLAC PUB 14534 September 2011 Femtosecond X-ray Pulse Temporal Characterization in Free-Electron Lasers Using a Transverse Deflector Y. Ding 1, C. Behrens 2, P. Emma 1, J. Frisch 1, Z. Huang 1, H. Loos
More informationRadiation characteristics of extreme UV and soft X-ray sources
Göttingen Series in X-ray Physics Tobias Mey Radiation characteristics of extreme UV and soft X-ray sources Universitätsverlag Göttingen Tobias Mey Radiation characteristics of extreme UV and soft X-ray
More informationConfocal Microscopy Imaging of Single Emitter Fluorescence and Hanbury Brown and Twiss Photon Antibunching Setup
1 Confocal Microscopy Imaging of Single Emitter Fluorescence and Hanbury Brown and Twiss Photon Antibunching Setup Abstract Jacob Begis The purpose of this lab was to prove that a source of light can be
More informationWavefront-sensor tomography for measuring spatial coherence
Wavefront-sensor tomography for measuring spatial coherence Jaroslav Rehacek, Zdenek Hradil a, Bohumil Stoklasa a, Libor Motka a and Luis L. Sánchez-Soto b a Department of Optics, Palacky University, 17.
More informationAnalysis of Coherence Properties of 3-rd Generation Synchrotron Sources and Free-Electron Lasers
Analysis of Coherence Properties of 3-rd Generation Synchrotron Sources and Free-Electron Lasers arxiv:0907.4009v1 [physics.optics] 23 Jul 2009 I.A. Vartanyants and A. Singer HASYLAB at DESY, Notkestr.
More informationConstruction of an extreme ultraviolet polarimeter based on highorder harmonic generation
Construction of an extreme ultraviolet polarimeter based on highorder harmonic generation N. Brimhall *, J. C. Painter, M. Turner, S. V. Voronov, R. S. Turley, M. Ware, and J. Peatross Department of Physics
More informationVARIABLE GAP UNDULATOR FOR KEV FREE ELECTRON LASER AT LINAC COHERENT LIGHT SOURCE
LCLS-TN-10-1, January, 2010 VARIABLE GAP UNDULATOR FOR 1.5-48 KEV FREE ELECTRON LASER AT LINAC COHERENT LIGHT SOURCE C. Pellegrini, UCLA, Los Angeles, CA, USA J. Wu, SLAC, Menlo Park, CA, USA We study
More informationPhotothermal measurement of absorption and wavefront deformations in UV optics
Journal of Physics: Conference Series Photothermal measurement of absorption and wavefront deformations in UV optics To cite this article: K Mann et al 21 J. Phys.: Conf. Ser. 214 1215 View the article
More informationPresent Capabilities and Future Concepts for Intense THz from SLAC Accelerators
Present Capabilities and Future Concepts for Intense THz from SLAC Accelerators Alan Fisher SLAC National Accelerator Laboratory Frontiers of Terahertz Science SLAC 2012 September 6 1 THz from an Accelerated
More informationVisualization of Xe and Sn Atoms Generated from Laser-Produced Plasma for EUV Light Source
3rd International EUVL Symposium NOVEMBER 1-4, 2004 Miyazaki, Japan Visualization of Xe and Sn Atoms Generated from Laser-Produced Plasma for EUV Light Source H. Tanaka, A. Matsumoto, K. Akinaga, A. Takahashi
More informationIntrinsic beam emittance of laser-accelerated electrons measured by x-ray spectroscopic imaging
Intrinsic beam emittance of laser-accelerated electrons measured by x-ray spectroscopic imaging G. Golovin 1, S. Banerjee 1, C. Liu 1, S. Chen 1, J. Zhang 1, B. Zhao 1, P. Zhang 1, M. Veale 2, M. Wilson
More informationLab 1 Entanglement and Bell s Inequalities
Quantum Optics Lab Review Justin Winkler Lab 1 Entanglement and Bell s Inequalities Entanglement Wave-functions are non-separable Measurement of state of one particle alters the state of the other particle
More informationSupplemental material for Bound electron nonlinearity beyond the ionization threshold
Supplemental material for Bound electron nonlinearity beyond the ionization threshold 1. Experimental setup The laser used in the experiments is a λ=800 nm Ti:Sapphire amplifier producing 42 fs, 10 mj
More informationModern optics Lasers
Chapter 13 Phys 322 Lecture 36 Modern optics Lasers Reminder: Please complete the online course evaluation Last lecture: Review discussion (no quiz) LASER = Light Amplification by Stimulated Emission of
More informationLong- and short-term average intensity for multi-gaussian beam with a common axis in turbulence
Chin. Phys. B Vol. 0, No. 1 011) 01407 Long- and short-term average intensity for multi-gaussian beam with a common axis in turbulence Chu Xiu-Xiang ) College of Sciences, Zhejiang Agriculture and Forestry
More informationLaboratory 3: Confocal Microscopy Imaging of Single Emitter Fluorescence and Hanbury Brown, and Twiss Setup for Photon Antibunching
Laboratory 3: Confocal Microscopy Imaging of Single Emitter Fluorescence and Hanbury Brown, and Twiss Setup for Photon Antibunching Jonathan Papa 1, * 1 Institute of Optics University of Rochester, Rochester,
More informationHierarchical Dynamics of Soft Matters & Prospects of Japanese Future Light Sources
XDL Workshop 6 @ Cornell Univ. Hierarchical Dynamics of Soft Matters & Prospects of Japanese Future Light Sources Yuya Shinohara Department of Advanced Materials Science, Graduate School of Frontier Sciences,
More informationFLASH overview. Nikola Stojanovic. PIDID collaboration meeting, Hamburg,
FLASH overview Nikola Stojanovic PIDID collaboration meeting, Hamburg, 16.12.2011 Outline Overview of the FLASH facility Examples of research at FLASH Nikola Stojanovic PIDID: FLASH overview Hamburg, December
More informationSimulations of the IR/THz Options at PITZ (High-gain FEL and CTR)
Case Study of IR/THz source for Pump-Probe Experiment at the European XFEL Simulations of the IR/THz Options at PITZ (High-gain FEL and CTR) Introduction Outline Simulations of High-gain FEL (SASE) Simulation
More informationX-ray photoelectron spectroscopy with a laser-plasma source
Proc. SPIE Vol.3157 (1997) pp.176-183 X-ray photoelectron spectroscopy with a laser-plasma source Toshihisa TOMIE a, Hiroyuki KONDO b, Hideaki SHIMIZU a, and Peixiang Lu a a Electrotechnical Laboratory,
More informationarxiv: v1 [quant-ph] 18 Mar 2008
Real-time control of the periodicity of a standing wave: an optical accordion arxiv:0803.2733v1 [quant-ph] 18 Mar 2008 T. C. Li, H. Kelkar, D. Medellin, and M. G. Raizen Center for Nonlinear Dynamics and
More informationEUV and Soft X-Ray Optics
EUV and Soft X-Ray Optics David Attwood University of California, Berkeley Cheiron School September 2011 SPring-8 1 The short wavelength region of the electromagnetic spectrum n = 1 δ + iβ δ, β
More informationGeneration and characterization of ultra-short electron and x-ray x pulses
Generation and characterization of ultra-short electron and x-ray x pulses Zhirong Huang (SLAC) Compact XFEL workshop July 19-20, 2010, Shanghai, China Ultra-bright Promise of XFELs Ultra-fast LCLS Methods
More informationSUPPLEMENTARY INFORMATION
doi:1.138/nature1878 I. Experimental setup OPA, DFG Ti:Sa Oscillator, Amplifier PD U DC U Analyzer HV Energy analyzer MCP PS CCD Polarizer UHV Figure S1: Experimental setup used in mid infrared photoemission
More informationResearch with Synchrotron Radiation. Part I
Research with Synchrotron Radiation Part I Ralf Röhlsberger Generation and properties of synchrotron radiation Radiation sources at DESY Synchrotron Radiation Sources at DESY DORIS III 38 beamlines XFEL
More informationProblem Solving. radians. 180 radians Stars & Elementary Astrophysics: Introduction Press F1 for Help 41. f s. picture. equation.
Problem Solving picture θ f = 10 m s =1 cm equation rearrange numbers with units θ factors to change units s θ = = f sinθ fθ = s / cm 10 m f 1 m 100 cm check dimensions 1 3 π 180 radians = 10 60 arcmin
More informationNON LINEAR PULSE EVOLUTION IN SEEDED AND CASCADED FELS
NON LINEAR PULSE EVOLUTION IN SEEDED AND CASCADED FELS L. Giannessi, S. Spampinati, ENEA C.R., Frascati, Italy P. Musumeci, INFN & Dipartimento di Fisica, Università di Roma La Sapienza, Roma, Italy Abstract
More informationLOLA: Past, present and future operation
LOLA: Past, present and future operation FLASH Seminar 1/2/29 Christopher Gerth, DESY 8/5/29 FLASH Seminar Christopher Gerth 1 Outline Past Present Future 8/5/29 FLASH Seminar Christopher Gerth 2 Past
More informationBreakup of Ring Beams Carrying Orbital Angular Momentum in Sodium Vapor
Breakup of Ring Beams Carrying Orbital Angular Momentum in Sodium Vapor Petros Zerom, Matthew S. Bigelow and Robert W. Boyd The Institute of Optics, University of Rochester, Rochester, New York 14627 Now
More informationarxiv: v1 [physics.acc-ph] 17 Jul 2014
DEUTSCHES ELEKTRONEN-SYNCHROTRON Ein Forschungszentrum der Helmholtz-Gemeinschaft DESY 14-19 July 014 arxiv:1407.4591v1 [physics.acc-ph] 17 Jul 014 Brightness of Synchrotron radiation from Undulators and
More informationThe BESSY - FEL Collaboration
The BESSY - FEL Collaboration Planning the Revolution for Research with soft X-Rays Photon Energy Range : 20 ev up to 1 kev λ/λ 10-2 to 10-4 Peak Power: 1mJ in 200 fs >> 5 GW Time Structure: 200 fs (
More informationFar-field radiation pattern in Coherent Anti-stokes Raman Scattering (CARS) Microscopy.
Far-field radiation pattern in Coherent Anti-stokes Raman Scattering (CARS) Microscopy. David Gachet, Nicolas Sandeau, Hervé Rigneault * Institut Fresnel, Mosaic team, Domaine Univ. St Jérôme, 13397 Marseille
More informationUnbalanced lensless ghost imaging with thermal light
886 J. Opt. Soc. Am. A / Vol. 3, No. 4 / April 04 Gao et al. Unbalanced lensless ghost imaging with thermal light Lu Gao,,3 Xiao-long Liu, hiyuan heng, and Kaige Wang, * School of Science, China University
More information