1024 × 1024 HgCdTe CMOS camera for infrared imaging magnetograph of big bear solar observatory

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6 Scopus citations


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.

Original languageEnglish (US)
Article number58810X
Pages (from-to)1-8
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2005
EventInfrared and Photoelectronic Imagers and Detector Devices - San Diego, CA, United States
Duration: Jul 31 2005Aug 1 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


  • CMOS
  • Camera
  • Focal plane array (FPA)
  • NIR
  • Solar observation


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