Small Quantum Systems Scientific Instrument
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1 Small Quantum Systems Scientific Instrument WP-85 A. De Fanis, T. Mazza, H. Zhang, M. Meyer European XFEL GmbH TDR_2012: XFEL Users Meeting 2014, January 29 th, 2014
2 SQS Scientific Instrument Investigation of atoms, ions, molecules and clusters in intense fields and non-linear phenomena European XFEL SASE 3: ev N x hn Small Quantum Systems Atoms 2-100fs Molecules Clusters Multi-photon processes, Ultra-fast dynamics, Extremely dilute targets Multiple-Coincidences (e -, ion, g), Pump-Probe, Coherent Diffraction Imaging
3 TDR_2012 SQS Scientific SQS Instrument Photon beam transport systems 3 European XFEL
4 Electron energy sets TDR_2012 SQS Scientific SQS Instrument Photon energy ranges 4 Carbon K-edge: 284 ev N 1s: 410 ev 3 kev 12.4 kev 20 kev O 1s: 543 ev P 1s: 2145 ev S 1s: 2470 ev SASE 3 SASE 1 / GeV kev 6.4 > 25 kev 14.0 GeV 0.47 ~3 kev 4.1 > 20 kev 8.5 GeV 0.26 ~2 kev 3.0 > 15 kev FLASH kev 200 ev 1 kev 10 kev
5 TDR_2012 SQS Scientific SQS Instrument Photon beam transport systems 5 direct beam Small Quantum System (SQS) monochromatized Coherent Scattering (SCS) kev (optimized) kev (reduced) µm 5 SQS (1 µm) SQS (1 µm)
6 TDR_2012 SQS Scientific SQS Instrument SASE3 & SQS Performances 6 SASE3 hn = ev DT = fs P = mj Coherence: 0.96 Lin./Circ. Pol. Split & Delay Atoms Molecules Clusters Non-linear phenomena W / cm 2 Time-resolved studies low jitter (<10 fs) Imaging experiments Spatial coherence Chemical sensitivity C (1s), N (1s), O (1s), Rare Earths (3d) European XFEL High repetition rate: < pulses/ sec High data collection rate Multi-particle coincidences
7 TDR_2012 SQS Scientific SQS Instruments General Layout of SQS 7 Optimization of the design - Focal distances - Internal geometry - Access of optical laser AQS NQS KB optics Versatility of the design - Exchange of chambers - Exchange of standard components
8 TDR_2012 SQS Scientific SQS Instruments KB focusing optics (in coll. with WP-73) 8 T. Mazza WP85 Piezo-benders Length: 850 mm KB mirrors B4C coated 9 mrad incidence Slope error 50 nrad Water cooled
9 Focus FWHM (mm) Transmission TDR_2012 SQS Scientific SQS Instruments KB focusing optics (in coll. with WP-73) 9 T. Mazza WP85 Focus in F1 Transmission 100nrad slope error 50nrad slope error Geometric transmission limited B4C reflectivity limited Photon energy (kev) Photon energy (kev)
10 TDR_2012 SQS Scientific SQS Instruments AQS experimental chamber 10 MBES VMI XUV Spectrometer AQS Atomic-like Quantum Systems Targets: atoms & small molecules Molecular beam Vacuum: mbar Focus: 1 mu 50 mu etof electrons, ions, photons Molecular beam - HR electron spectroscopy - Angle-resolved spectroscopy - Non-dipole studies - HR fluorescence spectroscopy - e / e coincidences - e / ion - coincidences
11 TDR_2012 SQS Scientific SQS Instruments AQS: XUV 1D Imaging spectrometer 11 In-Kind Contribution: J. Nordgren, J-E. Rubensson, Uppsala University, Sweden VMI MBES FEL beam etof Molecular beam Optimized Design Spectral resolution: mev Spatial resolutions: 2 mm Single pulse sensitivity New detector development MCP with multi-parallel delayline readout (WP-75)
12 TDR_2012 SQS Multi-photon Scientific SQS Atomic Instruments Photoionization NQS Experimental Chamber 12 COLTRIMS DSSC NQS Nano-size Quantum Systems Cluster sources etof Targets: cluster, nano-particles, bio-molecules Cluster source, liquid jet, aerosols Vacuum: mbar Focus: 1 mu 50 mu electrons, ions, photons - Diffraction Imaging - Ion/electron spectroscopy - hn / ion coincidences - e / ion coincidences - hn / e / ion coincidences
13 TDR_2012 SQS Scientific SQS Instruments DSSC 1 M Pixel Detector Module (M. Kuster) 13 DEPFET Detector Module Quadrant Ladder Porro et al. NIM A (2010) vol. 624 pp. 509 Key Detector Parameters Goal: Single photon sensitivity 5 kev and 4.5 MHz Energy range (25) kev Dynamic range > 6000 kev Single photon sensitivity 5 1 kev (5 MHz) kev ( 2.5 MHz) Number of storage cells 576 Smallest detector unit ladder 128 x 512 pixels 4 ladders built on quadrant 4 quadrants = 1k x 1k detector Data transfer rate: 1 GB / train (10 GB / s)
14 KB optics TDR_2012 SQS Scientific SQS Instruments 3 rd chamber: Reaction Microscope User Consortium (BMBF financed): R. Dörner, R. Moshammer, et al. U. Frankfurt, MPI Heidelberg 14 NQS F2 Angle- and energy-resolved electron and ion spectra in coincidence F1 REMI SQS REMI KB Targets: Molecular beam Vacuum: < mbar Focus: 1 mm
15 TDR_2012 SQS Scientific SQS Instruments In-kind contribution and Add-on equipment 15 In-Kind Contributions 1D Imaging XUV spectrometer University of Uppsala J-E. Rubensson, J. Nordgren Magnetic Bottle Electron Spectrometer University of Uppsala R. Feifel User Consortia / Add-on SQS-REMI: Reaction Microscope U. Frankfurt, MPI Heidelberg R. Dörner, R. Moshammer COMO State-, size-, and isomer-selected samples of polar molecules and clusters CFEL Hamburg, J. Küpper HR-VUV spectrometer U Kassel, A. Ehresmann Pulsed Microplasma Cluster Sourc U Milano, P. Piseri Cristal Spectrometer FU Berlin, E. Rühl
16 TDR_2012 SQS Scientific SQS Instruments General Layout of SQS Scientific Instrument 16 PP Laser
17 attenuator TDR_2012 SQS Scientific SQS Instruments Layout of SQS Optical Laser (in coll. with WP-78) 17 SQS Laser Wavelength tuning 2 nd /3 rd harm Delay exp. Delay diag. Pump-Probe Laser 2 nd /3 rd harm Delay exp. 800nm 1030nm Exp.
18 TDR_2012 SQS Scientific SQS Instruments Time line 18
19 TDR_2012 SQS Scientific SQS Instruments 19 European XFEL Thank you for your attention!
20 TDR_2012 SQS Scientific SQS Instrument Experimental area 20 European XFEL
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