Preliminary design of IGRINS (Immersion GRating INfrared Spectrograph)

In-Soo Yuk; Daniel T. Jaffe; Stuart Barnes; Moo-Young Chun; Chan Park; Sungho Lee; Hanshin Lee; Weisong Wang; Kwi-Jong Park; Soojong Pak; Joseph Strubhar; Casey Deen; Heeyoung Oh; Haingja Seo; Tae-Soo Pyo; Won-Kee Park; John Lacy; John Goertz; Jared Rand; Michael Gully-Santiago

doi:10.1117/12.856864

15 July 2010 Preliminary design of IGRINS (Immersion GRating INfrared Spectrograph)

In-Soo Yuk, Daniel T. Jaffe, Stuart Barnes, Moo-Young Chun, Chan Park, Sungho Lee, Hanshin Lee, Weisong Wang, Kwi-Jong Park, Soojong Pak, Joseph Strubhar, Casey Deen, Heeyoung Oh, Haingja Seo, Tae-Soo Pyo, Won-Kee Park, John Lacy, John Goertz, Jared Rand, Michael Gully-Santiago

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77351M (2010) https://doi.org/10.1117/12.856864
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The Korea Astronomy and Space Science Institute (KASI) and the Department of Astronomy at the University of Texas at Austin (UT) are developing a near infrared wide-band high resolution spectrograph, IGRINS. IGRINS can observe all of the H- and K-band atmospheric windows with a resolving power of 40,000 in a single exposure. The spectrograph uses a white pupil cross-dispersed layout and includes a dichroic to divide the light between separate H and K cameras, each provided with a 2kx2k HgCdTe detector. A silicon immersion grating serves as the primary disperser and a pair of volume phased holographic gratings serve as cross dispersers, allowing the high resolution echelle spectrograph to be very compact. IGRINS is designed to be compatible with telescopes ranging in diameter from 2.7m (the Harlan J. Smith telescope; HJST) to 4 - 8 m telescopes. Commissioning and initial operation will be on the 2.7m telescope at McDonald Observatory from 2013.

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In-Soo Yuk, Daniel T. Jaffe, Stuart Barnes, Moo-Young Chun, Chan Park, Sungho Lee, Hanshin Lee, Weisong Wang, Kwi-Jong Park, Soojong Pak, Joseph Strubhar, Casey Deen, Heeyoung Oh, Haingja Seo, Tae-Soo Pyo, Won-Kee Park, John Lacy, John Goertz, Jared Rand, and Michael Gully-Santiago "Preliminary design of IGRINS (Immersion GRating INfrared Spectrograph)", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77351M (15 July 2010); https://doi.org/10.1117/12.856864

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