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Project Technology BranchCode PMF
NASA Ames Research Center
Craig R. McCreight, Chief
Detector team (Cryo team not listed)
Kim Ennico Roy JohnsonJohn Estrada Mark McKelvey Jam Farhoomand Bob McMurrayJohn Goebel Nick Scott Dzung Hoang
Project Technology BranchCode PMF
NASA Ames Research Center
Projects have included:
IRAS detectorsSpitzer IRAC SCA development and testingSpitzer IRS SCA testingSpitzer MIPS mux development and testingGPB detector development and testingJWST NIRCam SCA testingJWST NIRSpec SCA testingJWST MIRI SCA development and testingJH/APL H1RG radiation testing
Project Technology BranchCode PMF
NASA Ames Research Center
IRAC detector development:CRC228 58x62 Si:As BIB and Si:GaCRC463 256x256 Si:As BIBCRC644 256x256 Si:As BIB CRC744 256x256 Si:As BIB (flight parts)
IRS detectors testing:Rockwell 10x50 and 20x64 multiplexersRockwell 128x128 Si:As and Si:Sb BIBs
MIPS multiplexer testingCRC696, development of SB190
Hollywood SIRTF
Significant Role in Spitzer’s Infrared Array Camera
Channel 3 (5.8 µm) and Channel 4 (8.0 µm) Flight Candidates screened and selected in Ames Lab
Project Technology BranchCode PMF
NASA Ames Research Center
Gravity Probe B
Stanford project
John Goebel/Nick Scott
Guide star telescope light detectorsSilicon photodiodes with FET preamps
Project Technology BranchCode PMF
NASA Ames Research Center
JWST
NIRCam: IR and proton testing of RVS SB291/SB305 and of Rockwell H1RG/H2RG megapixel 5µm hybrids for downselect
NIRSpec: low-background and proton testing of H1RG-HgCdTe 5µm hybrid array
MIRI: testing and development, SB305-Si:As BIB 28µm hybrid arrays
Explorer Technology / Origins IR Detector Development
World’s Largest Si:As Mid-IR Detector for Moderate Backgrounds- First prototype of detectors for passively cooled Explorers and SOFIA
Fruitful SF / SS Collaboration; Device fabricated by Raytheon IR Center of ExcellenceProgram leverages strongly on ongoing SF detector development for Origins
1024 x 1024 pixels28 x 28 mm area
Early Cryo CMOS 1024 Si:As
Hybrid tested at NASA ARC in 2001
1024 x 1024 InSb Hybrid SCA on
SB-291 ROIC in 2002
JWST prototype arrays and readouts
SCA985 IR Response
NASA Ames Research Center
0
0.5
1
1.5
2
0 0.5 1 1.5 2 2.5 3 3.5
SCA985 Relative Response v. Applied Bias
Applied Bias (V)
T = 7K. Response to uncalibrated source normalised to 2.5V applied bias.
Project Technology BranchCode PMF
NASA Ames Research Center
Far-IR detectors:
Ge:Ga unstressed to 120µm
GaAs n-type photoconductors to 300µm
Current ROSS funded far-IR Multiplexer development to create 2D arrays
2 K muxes for SOFIA
Bare mux in low-noise test dewar
32-channel mux (SB-190) with 4 Ge:Ga detectors
Project Technology BranchCode PMF
NASA Ames Research Center
Johns Hopkins/Applied Physics LaboratoryImaging Spectrometer for Icy Satellites (ISIS)
H1RG multiplexer radiation testing to100, 200, and300krad(Si)
Possible radiationtesting of HgCdTe4.2µm cutoff arrays
