Repackaging and characterizing of a HgCdTe CMOS infrared camera for the New Solar Telescope

Wenda Cao; Roy Coulter; Nicolas Gorceix; Philip R. Goode

doi:10.1117/12.856616

19 July 2010 Repackaging and characterizing of a HgCdTe CMOS infrared camera for the New Solar Telescope

Wenda Cao, Roy Coulter, Nicolas Gorceix, Philip R. Goode

Author Affiliations +

Proceedings Volume 7742, High Energy, Optical, and Infrared Detectors for Astronomy IV; 774220 (2010) https://doi.org/10.1117/12.856616
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The 1.6-meter New Solar Telescope (NST) is currently the world's largest aperture solar telescope. The NST is newly built at Big Bear Solar Observatory (BBSO). Among other instruments, the NST is equipped with several focal plane instruments operating in the near infrared (NIR). In order to satisfy the diverse observational requirements of these scientific instruments, a 1024 × 1024 HgCdTe TCM8600 CMOS camera manufactured by Rockwell Scientific Company has been repackaged and upgraded at Infrared Laboratories Inc. A new ND-5 dewar was designed to house the TCM8600 array with a low background filter wheel, inverted operation and at least 12 hours of hold time between fills. The repackaged camera will be used for high-resolution NIR photometry at the NST Nasmyth focus on the telescope and high-precision NIR spectro-polarimetry in the NST Coud´e Lab below. In March 2010, this repackaged camera was characterized in the Coud´e Lab at BBSO. This paper presents the design of new dewar, the detailed process of repackaging and characterizing the camera, and a series of test results.

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Wenda Cao, Roy Coulter, Nicolas Gorceix, and Philip R. Goode "Repackaging and characterizing of a HgCdTe CMOS infrared camera for the New Solar Telescope", Proc. SPIE 7742, High Energy, Optical, and Infrared Detectors for Astronomy IV, 774220 (19 July 2010); https://doi.org/10.1117/12.856616

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