PtSi IRFPA camera and its application in infrared solar spectrum observation

Wenda Cao; Binxun Ye; Qian Song; J. He; X. D. Zhou; Kaifan Ji

doi:10.1117/12.395539

16 August 2000 PtSi IRFPA camera and its application in infrared solar spectrum observation

Wenda Cao, Binxun Ye, Qian Song, J. He, X. D. Zhou, Kaifan Ji

Proceedings Volume 4008, Optical and IR Telescope Instrumentation and Detectors; (2000) https://doi.org/10.1117/12.395539
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

Although the interest in PtSi IR focal pane array has waned due to its low quantum efficiency compared with InSb and HgCdTe arrays, it is very potential in observing brighter celestial objects. We explored the possibility of applying it to the observation of IR solar spectrum. In the paper, the methods of the simulation and calibration in our observation are introduced and discussed in detail. Using this kind of camera, a new observational band is added to the 2D Multi-band Solar Spectrograph at Yunnan Observatory. The dispersion for FeI 1.56 micrometers of the new IR solar spectrograph is 0.0722 angstrom per pixel, and each vertical pixel represents 0.51 inch of solar disk. It is specially suitable for 2D spectroscopic observation of the deepest solar photosphere. Some primary observation results are also presented.

Citation Download Citation

Wenda Cao, Binxun Ye, Qian Song, J. He, X. D. Zhou, and Kaifan Ji "PtSi IRFPA camera and its application in infrared solar spectrum observation", Proc. SPIE 4008, Optical and IR Telescope Instrumentation and Detectors, (16 August 2000); https://doi.org/10.1117/12.395539

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