The low-resolution imaging spectrograph red channel CCD upgrade: fully depleted, high-resistivity CCDs for Keck

C. Rockosi; R. Stover; R. Kibrick; C. Lockwood; M. Peck; D. Cowley; M. Bolte; S. Adkins; B. Alcott; S. L. Allen; B. Brown; G. Cabak; W, Deich; D, Hilyard; M, Kassis; K, Lanclos; J, Lewis; T, Pfister; A, Phillips; L, Robinson; M, Saylor; M, Thompson; J, Ward; M, Wei; C, Wright

doi:10.1117/12.856818

14 July 2010 The low-resolution imaging spectrograph red channel CCD upgrade: fully depleted, high-resistivity CCDs for Keck

C. Rockosi, R. Stover, R. Kibrick, C. Lockwood, M. Peck, D. Cowley, M. Bolte, S. Adkins, B. Alcott, S. L. Allen, B. Brown, G. Cabak, W, Deich, D, Hilyard, M, Kassis, K, Lanclos, J, Lewis, T, Pfister, A, Phillips, L, Robinson, M, Saylor, M, Thompson, J, Ward, M, Wei, C, Wright

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77350R (2010) https://doi.org/10.1117/12.856818
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

A mosaic of two 2k x 4k fully depleted, high resistivity CCD detectors was installed in the red channel of the Low Resolution Imaging Spectrograph for the Keck-I Telescope in June, 2009 replacing a monolithic Tektronix/SITe 2k x 2k CCD. These CCDs were fabricated at Lawrence Berkeley National Laboratory (LBNL) and packaged and characterized by UCO/Lick Observatory. Major goals of the detector upgrade were increased throughput and reduced interference fringing at wavelengths beyond 800 nm, as well as improvements in the maintainability and serviceability of the instrument. We report on the main features of the design, the results of optimizing detector performance during integration and testing, as well as the throughput, sensitivity and performance of the instrument as characterized during commissioning.

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C. Rockosi, R. Stover, R. Kibrick, C. Lockwood, M. Peck, D. Cowley, M. Bolte, S. Adkins, B. Alcott, S. L. Allen, B. Brown, G. Cabak, W, Deich, D, Hilyard, M, Kassis, K, Lanclos, J, Lewis, T, Pfister, A, Phillips, L, Robinson, M, Saylor, M, Thompson, J, Ward, M, Wei, and C, Wright "The low-resolution imaging spectrograph red channel CCD upgrade: fully depleted, high-resistivity CCDs for Keck", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77350R (14 July 2010); https://doi.org/10.1117/12.856818

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