HAWAII-2RG: a 2kx2k CMOS multiplexer for low- and high-background astronomy applications

Markus Loose; Mark C. Farris; James D. Garnett; Donald N. B. Hall; Lester J. Kozlowski

doi:10.1117/12.461796

5 March 2003 HAWAII-2RG: a 2k x 2k CMOS multiplexer for low and high background astronomy applications

Markus Loose, Mark C. Farris, James D. Garnett, Donald N. B. Hall, Lester J. Kozlowski

Proceedings Volume 4850, IR Space Telescopes and Instruments; (2003) https://doi.org/10.1117/12.461796
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The HAWAII-2RG is a major upgrade of our prior 2048 x 2048 CMOS readout for astronomy (HAWAII-2) to support the requirements of the Next Generation Space Telescope and enable breakthrough capability for ground-based astronomy. By migrating to 0.25μm CMOS, for the first time guide mode readout is simultaneously supported in combination with various programmable science modes on a frame-by-frame basis. Consequently, the readout simultaneously supports programmable guide mode window and full-field science using the rest of the 4.2 million pixels at read noise <5 e-. Also for the first time with any imaging sensor, low and high background astronomy is supported using from 1 to 32 low-noise outputs via low-speed and high-speed signal paths. The latter supports throughput rate of up 320 MHz for real time imaging at >60 Hz. As with the HAWAII-2, the readout can be mated to our infrared and visible detector arrays including low dark current MBE HgCdTe at cutoff wavelengths from 1.5μm to 14μm, 2.5μm PACE HgCdTe, and silicon p-i-n detectors with superior quantum efficiency to backside-illuminated CCDs.

Citation Download Citation

Markus Loose, Mark C. Farris, James D. Garnett, Donald N. B. Hall, and Lester J. Kozlowski "HAWAII-2RG: a 2k x 2k CMOS multiplexer for low and high background astronomy applications", Proc. SPIE 4850, IR Space Telescopes and Instruments, (5 March 2003); https://doi.org/10.1117/12.461796

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