1024 × 1024 HgCdTe CMOS camera for infrared imaging magnetograph of Big Bear Solar Observatory

Details 1024 × 1024 HgCdTe CMOS camera for infrared imaging magnetograph of Big Bear Solar Observatory 1024 × 1024 HgCdTe CMOS camera for infrared imaging magnetograph of Big Bear Solar Observatory

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5881..245c&link_type=abstract

Infrared and Photoelectronic Imagers and Detector Devices. Edited by Longshore, Randolph E. Proceedings of the SPIE, Volume 588

Computer Science

Performance

6

Scientific paper

The InfraRed Imaging Magnetograph (IRIM)1,2 is a two-dimensional narrow-band solar spectro-polarimeter currently being developed at Big Bear Solar Observatory (BBSO). It works in the near infrared (NIR) from 1.0 μm to 1.7 μm and possesses high temporal resolution, high spatial resolution, high spectral resolving power, high magnetic sensitivity. As the detector of IRIM, the 1024 × 1024 HgCdTe TCM8600 CMOS camera manufactured by the Rockwell Scientific Company plays a very important role in acquiring the high precision solar spectropolarimetry data. In order to make the best use of it for solar observation, the characteristic evaluation was carried out at BBSO and National Solar Observatory (NSO), Sacramento Peak in October 2003. The paper presents a series of measured performance parameters including linearity, readout noise, gain, full well capacity, hot pixels, dark, flat field, frame rate, vacuum, low temperature control, etc., and shows some solar infrared narrow band imaging observation results.

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