1 / 21

Garching – January 28, 2014

Institute of Research into the Fundamental Laws of the Universe Astrophysics Division CEA Saclay, France. WFI Consortium Meeting Presentation of our activities for X-ray astrophysics and interests for Athena / WFI. Aline Meuris On behalf of the Astrophysics division a line.meuris@cea.fr.

aolani
Download Presentation

Garching – January 28, 2014

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Institute of Research into the Fundamental Laws of the Universe Astrophysics Division CEA Saclay, France WFI Consortium MeetingPresentation of our activities for X-ray astrophysics and interests for Athena / WFI Aline Meuris On behalf of the Astrophysics division aline.meuris@cea.fr Garching– January 28, 2014

  2. outline • Introduction to CEA-Irfu • Science: lead programs and instrument developmentsand interests for ATHENA+ • Hardware: past, present, future connected to ATHENA+ CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  3. Groups in cea-irfuconnected to athena+ Institute of Research into the Fundamental Laws of the Universe CEA Saclay~800 people Astrophysics, High EnergyPhysics, NuclearPhysics and associatedinstrumentation Astrophysics division (~200 people) Astrophysics Technical services Space instrumentation Observation Interpretation Simulation Instrument lead Architecture and design Detector R&D Quality AIV Front-end electronics, Mechanicalengineering…  Scientificresponsibilities in instrument developments and observation programs  Developments close to the detectionsystems CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  4. Scientific interests in X-ray astronomy • Main fields of interest: • • Compact objects: X-ray binaries, GRB, isolatedpulsars, Sgr A* • • Supernovaeremnants • as probe of extremephysics, e.g. particule acceleration • with XMM-Newton, INTEGRAL, RXTE, Chandra, Swift • in synergywithH.E.S.S., Fermi, radio telescopes • • Galaxyclusters • as probe of structure formationwithXMM-Newton and Planck • Intensive use of XMM-Newton since PV phase • PI-shipof 7 large programs and 1 very large program • Expertise in spatiallyresolved and time resolvedspectroscopy CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  5. Implication in Athena • Stronginvolvement in next X-ray large mission since 2001 • XEUS • Member of the steering group and ESA Science Advisory group (M. Arnaud) • IXO • Memberof the ESA Science Definition Team (M. Arnaud) • Members of instrument working group (O. Limousin for WFI/HXI, C. Pigot for calorimeter) • Athena(+) • Member of the AthenaStudy Team (A. Decourchelle) CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  6. Stronginterest in athenathemes • The Hot Universe: How doesordinarymatter assemble into the large scale structures thatweseetoday? • "The Astrophysics of galaxy groups and clusters withAthena+"Support paperby S.Ettori,G. Pratt et al. • The EnergeticUniverse: how do black holesgrow and influence the Universe? • The physics of accretion • Luminousextragalactictransients • Athena+ observatorycapabilities • "The astrophysics of supernova remnants and the interstellar medium"  Support paper by A. Decourchelle, E. Costantiniet al. • "End points of stellarevolution" Support paper by C. Motch, J. Wilms et al. (J. Rodriguez) CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  7. realizations for X-RAY astrophysics • XMM-Newton (1999): 0.2-12 keV • Development of the EPIC MOS CCD Controller and Recognition Unit • Involvement in MOS CCD cameras calibration at Orsay • Contribution to the Science Survey Center • INTEGRAL / ISGRI (2001): 15-200 keV • Development of the ISGRI instrument (1024 cm2CdTe) Polycell = ceramicwithCdTecrystals and ASIC CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  8. realizations for X-ray astrophysics • SIMBOL-X: French-Italian hard X-ray telescope (2009) • Detector R&D (2004-2012): • IDeF-X 32-channel front-end ASICs • Caliste-HD hybridwith 8 ASICs, 256 pixels • MACSI with 8 Caliste-HD, 2048 pixels(2-100 keV) LowEnergy Detector (MPE) Si DEPFET High Energy Detector (CEA/Irfu) 64 cm2CdTe Simbol-X Focal plane CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  9. spaceprojects in implementation phase • Astro-H (JAXA) • Radiation damage study on CdTe detectors and ASICs • SVOM: GRB mission with China (PI institute) • MXT (0.2 – 10 keV): PI, Development of the camera • ECLAIRs (4 - 250 keV): Thermal design of the telescope, Design and qualification of front-end ASIC IDeF-X ECLAIRs • Ground segment • Solar Orbiter (ESA M1) • Development of the X-ray spectrometersfor STIX • Euclid (ESA M2) • Consortium lead (Y. Mellier IAP/CEA) and lead supports • Control electronicsandAIV of the VIS focal plane Caliste-SO prototypes CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  10. Skillsdevelopedalong 20-year experience • Radiation hard low power low noise front-end ASIC • (ESA) Space qualification of ASIC and hybrid components • System (thermal, mechanical, electrical) architecture and design • Instrument modeling, integration, calibration CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  11. possible contributions to athena+ wfi Microelectronics Collaboration on very front-end electronics design Parallelanalog-to-digital conversion ASIC Fabrication management and space qualification Tests and qualification Space qualification of full-custom components Detector and electronics radiation damage studies • OWB-1 chip: R&D fundedin 2012-2014 by CNES • canbe the basis for a specificdevelopment • Wilkinson architecture withdelay-lockedloop add 4-5 bit precisionwith the same conversion time • Chip test: 32 channelconverted in parallel in 2.7 µsto get 13-bit resolution • 1.5 mW per channel CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  12. possible contributions to athena+ wfi Hybridization Chip and EEE assembly and ceramichybridization, interconnects Hybridization qualification System and architecture Mechanical design, thermal design and modeling of the focal plane Background simulation • Example: • MXT detector board prototype • Collaboration with MPE • Layout by CEA, fabrication by a French space-certifiedcompany • Mounting of ASIC and pnCCD by MPE CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  13. possible contributions to athena+ wfi Warm front-end electronics Real-time processingin interface with the cold front-end electronics to guarantee system performance • Similar challenges experiencedwith Herschel/PACS. • Example: • MXT front-end electronics prototype • « Pixel sequencer » and « frame sequencer » based on spacegrade FPGA CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  14. Conclusion CEA-Irfuhighlyinterested in taking part in WFI consortium Astrophysics groups defendingAthena+ science case Experience in detection system design and realization at differentlevelsto serve the instrument performance • THANK YOU FOR YOUR ATTENTION. CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  15. Back-up slides CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  16. The OWB-1 ADC : Global architecture • Architecture WilnkinsonwithDLL (delay-lockedloop) • The conversion time of this N+M bits ADC is :  Adding 𝑴 conversion bits for a same time compared to a conventional Wilkinson architecture CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  17. The OWB-1 ADC : Main features ASIC OWB-1 : analog to digital conversion optimized for the readout of self-triggered ASIC for CdTe detectors. Design for low count rate applications. CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  18. The OWB-1 ADC : Modes of operation • Data format : Channel (5 bits) + Code (14 bits) • Data transfer during conversion: • Two modes of DATA (code) transfer : // and serial CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  19. WFI central part: proposalwithcea chips • Remplacement of the MUX stage of Veritas by 64 ‘small’ output buffers to getparallel outputs • Direct bonding of Veritas outputs to OBW-1 inputs  add 1,5 W to 2 W on central part • Suppression of differential output amplifiers Veritas* Switcher 256  256 OBW-1-ATHENA: 128 channels, concatenation of 4 OBW-1 (50 µm pitch) CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  20. The OWB-1 ADC: reducing the power consumption • Design not optimized for low power but other configuration possible : • Zero suppression • Detection of a zero by the ADC • Adjusting the detection threshold above the zero signal • Reducing the power consumption • Optimisation of the output digital stage for thisfrequency [V] VIN OK VRAMP VRAMP_MIN VIN ZERO EVENT DATA TRANSFER VCOMP NO EVENT  NO DATA TRANSFER [t] CEA/Irfu | WFI Consortium meeting Garching | January 28, 2014

  21. ISGRImonopixel 4 x 4 mm2 (2 mm thickCdTe, 120V, 0°C) R&D CALISTE-HD – 256 pixels, 580 µm pitch (1 mm thickCdTe, 400V, -4°C) 0.57 keV FWHM à 13.9 keV 5.60 keV FWHM 0.67 keV FWHM From INTEGRAL/ISGRI to CALISTE 2001 2012 @ 13.9 keV 40 60 0 80 20 Energy (keV) | PAGE 21

More Related