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Detector Performance and AIV Plan of the Ge:Ga QM Detector Arrays

Detector Performance and AIV Plan of the Ge:Ga QM Detector Arrays. Dirk Rosenthal MPE. Module Testing. Spectral Response Measurements (all delivered Modules) Cryogenic enviromental testing (QM 10/24): - thermal cycling (PACS-NT-PL-004) - cryovibration (PACS-ME-TP-004)

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Detector Performance and AIV Plan of the Ge:Ga QM Detector Arrays

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  1. Detector Performance and AIV Plan of the Ge:Ga QM Detector Arrays Dirk Rosenthal MPE Detector Performance and AIV

  2. Module Testing • Spectral Response Measurements (all delivered Modules) • Cryogenic enviromental testing (QM 10/24): • - thermal cycling (PACS-NT-PL-004) • - cryovibration (PACS-ME-TP-004) • Spectral calibration and glitch investigation (QM 10/24) • Module performance tests (EM 5/6, QM, FM, FS) Detector Performance and AIV

  3. FU Berlin shaker- proof cryostat Ground Support Equipment Spectral Calibration and Glitch Investigation: Cryo-vibration: OGSE2 Detector Performance and AIV

  4. OGSE 1 Ground Support Equipment Detector Performance Tests: • two cryostats at MPE: • - bandpass and attenuation • filters • - internal (cryogenic) • blackbody • one cryostat at MPIA: • - bandpass and attenuation • filters • - external (hot) blackbody • with chopper Detector Performance and AIV

  5. Low stressed (MPIA): P=8.5x10-14 W, Tdet = 3.5 K High stressed (MPE): P=1x10-12 W, Tdet = 1.9 K TIA Performance Tests • Responsivity: • - low stressed: R > 5 A/W @ 160 mV bias • - high stressed: R> 15 A/W @ 40 mV bias • QE: • - low stressed: compared to earlier attempts • better knowledge of absolute flux level but • read-out noise too high to allow • determination of QE • - high stressed: QE= 25% @ 30 mV – 36% • @ 60 mV bias Blue: low stressed Red: high stressed Detector Performance and AIV

  6. : current status AIV Plan of the Ge:Ga QM Detector Arrays array housing detector modules array assembly detector performance dummy modules Detector Performance and AIV

  7. AIV Plan of the Ge:Ga QM Detector Arrays detector modules Detector Performance and AIV

  8. AIV Plan of the Ge:Ga QM Detector Arrays detector performance Detector Performance and AIV

  9. AIV Plan of the Ge:Ga QM Detector Arrays dummy modules Detector Performance and AIV

  10. AIV Plan of the Ge:Ga QM Detector Arrays array housing Detector Performance and AIV

  11. Array Housings - Status • Design present (red and blue array) • Interfaces defined • mockup almost ready Red array Blue array Detector Performance and AIV

  12. Array Housings - Status • structural analysis for blue array performed: • -> lowest eigenmode at 461 Hz • Global Modes Housing: • Mode 1 461 Hz • Mode 2 660 Hz • Mode 3 810 Hz • Mode 4 948 Hz • Mode 5 962 Hz • Local Modes of Detector Modules • 1008 und 1019 Hz • 1356 und 1386 Hz Detector Performance and AIV

  13. AIV Plan of the Ge:Ga QM Detector Arrays array assembly Detector Performance and AIV

  14. Schedule: QM and FM Arrays Detector Performance and AIV

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