ORIGAMIX CURRENT STATE OF A TECHNOLOGY TRANSFER PROJECT FROM SPACE GRADE HIGH ENERGY SPECTRO-IMAGER TO COMMERCIAL GRADE GAMMA CAMERA
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1 ORIGAMIX CURRENT STATE OF A TECHNOLOGY TRANSFER PROJECT FROM SPACE GRADE HIGH ENERGY SPECTRO-IMAGER TO COMMERCIAL GRADE GAMMA CAMERA Pierre-Anne BAUSSON CEA Saclay DRF/Irfu B. 709 p. 27 B. 141 p. 104 CEA OCTOBER 31, 2012 PAGE 1 MAY 24TH 2016 CEA SACLAY
2 SUMMARY ORIGAMIX Personal & project introduction Existing CALISTE technology Project tasks & organization Compton-effect based algorithm development Embedded modular system design Space technology downgrading Tests, results and current state of project Remaining steps & Perspectives Conclusion Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 2
3 PERSONAL INTRODUCTION 25 years old INSA Lyon electronics engineer 1 year finished term finished 3 weeks ago Now : Permanent same research institute but a more technical department Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 3
4 PROJECT INTRODUCTION ANR : French National funding Agency for Research RSNR : Radioprotection & Nuclear Safety Research projects call ORIGAMIX Stands for : localisation de la Radioactivité par Imageurs GAMma pixellisés pixelated GAMma Imager for Radioactivity location Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 4
5 PROJECT INTRODUCTION Main goal : Design a new generation of gamma imager Specifications : Smaller / Easier-to-use system Better spectroscopic resolution Higher energy range Innovative Compton effect-based source location algorithm Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 5
6 PROJECT ORGANIZATION Consortium : CEA : DRF/Irfu DRT/LIST DEN/MAR 3Dplus Areva Canberra IRSN GIE INTRA CEA DRF/Irfu roles : Third generation 3G gamma camera prototype development Embedded modular system design Acquisition chain electronics design Compton effect based location algorithm CALISTE space technology downgrading / cost optimization Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 6
7 PROJECT INTRODUCTION So how to do this? Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 7
8 HIGH ENERGY PHYSICS DETECTION Higher energy Shorter wavelength High energy physics OR Nuclear safety energy domains Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 8
9 FROM ASTROPHYSICS TO DETECTOR SPECS Compact Objects Point sources Continuum spectra Gamma Ray Bursts Point sources Light curves Continuum spectra Space applications Wide field imaging High angular resolution Wide energy band High energy resolution Time resolution Supernovae remnants Line spectra Point or diffuse sources ( 44 Ti, 57 Co, 56 Fe, ) Diffuse Emission Fine spectroscopy ( 26 Al, 511 kev) Extended sources
10 CALISTE-HD TECHNOLOGY Caliste HD design and technology IDeF-X HD ASIC 32 analog channels CdTe 256-pixel detector (625 µm pitch, 1 or 2 mm thick, Al Scho ky) + (Pt entrance electrode) Moun ng on PCB 8 ASIC stacking perpendicular to the detec on surface Caliste-HD camera Top surface prepara on Electrical body with a 4 x 4 pin grid array Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 10
11 COMPTON EFFECT The Compton effect : Significant effects for E0 > 100 kev Deposited entirely inside the detector shortly after scattering θ Φ Klein-Nishina formula : Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 11
12 LOCATION ALGORITHM PRINCIPLE Source is at the circles junction Compton diffusion E 1 e - absorption in CdTe Scattered lower-energy photon E 2 photoelectric absorption in CdTe Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 12
13 RESULTS WITH MACSI Detector plane Located source «Ghost source» Detector axis Ceiling Ground In front of the detector Behind the detector Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 13
14 CUBE CORNER CONFIGURATION Detector planes in corner cube : Corner cube system assembly: Simulation results : Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 14
15 EMBEDDED MODULAR SYSTEM DESIGN Flexible PCB Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 15
16 INNER PARTS Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 16
17 FIRST BATCH INTEGRATION Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 17
18 BONDINGS Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 18
19 FIRST BATCH INTEGRATION Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 19
20 WIX MODULE SCALE Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 20
21 FIRST WIX MODULE READY Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 21
22 ENVIRONMENT CONTROL STATION Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 22
23 ISOLATION CLAMPING Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 23
24 TESTS AT CEA LIST NOV 20, 2015 Coded mask configuration Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 24
25 Nov. 20, Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 25
26 Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 26
27 WIX SPECTRAL RESPONSE Nov. 20, MBq 241 Am Tacq ~ 2min Low energy absorbed by steel encapsulation of the source 930 ev FWHM 60keV In 2 minutes Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 27
28 WIX SPECTRAL RESPONSE Tacq ~ 8s 600 single events Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 28
29 WIX SPECTRAL RESPONSE Tacq ~ 800ms 60 singles Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 29
30 WIX SPECTRAL RESPONSE Tacq ~ 400ms 30 singles Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 30
31 ORIGAMIX FINAL SYSTEM DESIGN Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 31
32 ORIGAMIX FINAL SYSTEM DESIGN Xilinx Zynq System on Chip (SoC) Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 32
33 ORIGAMIX DATA FLOW Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 33
34 CALISTE-O INDUSTRIAL GRADE DETECTOR 800µm pixel pitch 400µm between two pixel pixel size 16x16 physical pixels Same IDeF-X HD ASIC use inside Optimization of industrial manufacturing process Use of non-space qualified industrial technologies and parts when possible New CALISTE-O detector design s response validated by simulation Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 34
35 CONCLUSION ORIGAMIX First modules are ready and functional First tests are a good proof of concept Compton configuration tests coming soon Caliste-O : Cost optimized CALISTE design in progress Final system design and acquisition chain releases soon! What s next? Modular and flexible Hardware & Software architectures are ready for further developments and optimizations! On site demonstration campaign at CEA Marcoule nuclear center planned during this September. Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 35
36 ACKNOWLEDGEMENTS Thank you to all the ORIGAMIX project team : H. Bervas DRF/Irfu/SEDI C. Blondel DRF/Irfu/SAp F. Bouyjou DRF/Irfu/SEDI F. Carrel DRT/LIST/DM2I G. Daniel DRF/Irfu/SAp C. Delisle DRF/Irfu/SAp L. Dumaye DRF/Irfu/SAp C. Force DRT/LIST/DM2I O. Gevin DRF/Irfu/SEDI A. Gros DRF/Irfu/SAp S. Herve DRF/Irfu/SEDI D. Huynh DRF/Irfu/SAp P. Laurent DRF/Irfu/SAp H. Lemaire DRT/LIST/DISC O. Limousin DRF/Irfu/SAp J. Martignac DRF/Irfu/SAp Y. Menesguen DRT/LIST/DM2I A. Meuris DRF/Irfu/SAp T. Orduna DRF/Irfu/SAp F. Pinsard DRF/Irfu/SAp D. Renaud DRF/Irfu/SAp S. Schanne DRF/Irfu/SAp V. Schoepff DRT/LIST/DM2I MC. Vassal 3Dplus And many curious people Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 36
37 THANK YOU FOR YOUR ATTENTION Pierre-Anne Bausson - DRF/Irfu/SAp May PAGE 37
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