Characterization and optimization for detector systems of IGRINS

Ueejeong Jeong; Moo-Young Chun; Jae Sok Oh; Chan Park; In-Soo Yuk; Heeyoung Oh; Kang-Min Kim; Kyeong Yeon Ko; Michael D. Pavel; Young Sam Yu; Daniel T. Jaffe

doi:10.1117/12.2055589

23 July 2014 Characterization and optimization for detector systems of IGRINS

Ueejeong Jeong, Moo-Young Chun, Jae Sok Oh, Chan Park, In-Soo Yuk, Heeyoung Oh, Kang-Min Kim, Kyeong Yeon Ko, Michael D. Pavel, Young Sam Yu, Daniel T. Jaffe

Author Affiliations +

Proceedings Volume 9154, High Energy, Optical, and Infrared Detectors for Astronomy VI; 91541X (2014) https://doi.org/10.1117/12.2055589
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

IGRINS (Immersion GRating INfrared Spectrometer) is a high resolution wide-band infrared spectrograph developed by the Korea Astronomy and Space Science Institute (KASI) and the University of Texas at Austin (UT). This spectrograph has H-band and K-band science cameras and a slit viewing camera, all three of which use Teledyne's λ_c~2.5μm 2k×2k HgCdTe HAWAII-2RG CMOS detectors. The two spectrograph cameras employ science grade detectors, while the slit viewing camera includes an engineering grade detector. Teledyne's cryogenic SIDECAR ASIC boards and JADE2 USB interface cards were installed to control those detectors. We performed experiments to characterize and optimize the detector systems in the IGRINS cryostat. We present measurements and optimization of noise, dark current, and referencelevel stability obtained under dark conditions. We also discuss well depth, linearity and conversion gain measurements obtained using an external light source.

Citation Download Citation

Ueejeong Jeong, Moo-Young Chun, Jae Sok Oh, Chan Park, In-Soo Yuk, Heeyoung Oh, Kang-Min Kim, Kyeong Yeon Ko, Michael D. Pavel, Young Sam Yu, and Daniel T. Jaffe "Characterization and optimization for detector systems of IGRINS", Proc. SPIE 9154, High Energy, Optical, and Infrared Detectors for Astronomy VI, 91541X (23 July 2014); https://doi.org/10.1117/12.2055589

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