A technique for selectable band imaging in the ultraviolet and optical

James C. Green; Kevin France

doi:10.1117/12.2232875

18 July 2016 A technique for selectable band imaging in the ultraviolet and optical

James C. Green, Kevin France

Proceedings Volume 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray; 99053C (2016) https://doi.org/10.1117/12.2232875
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

We present a design concept that provides selectable band imaging in the optical and ultraviolet. The bandpass is created through reconstructive spectroscopy, utilizing crossed gratings, and creates an image, not a spectrum. The bandpass depends upon the field of view, the object location within that field, and the illuminated area of the second grating. All three factors are in principle selectable in real time, so that an instrument utilizing this technique is extremely flexible in its application. The technique utilizes no transmitting optics, and therefore is usable down to the limits of normal incidence reflectivity (~ 40 nm).

Citation Download Citation

James C. Green and Kevin France "A technique for selectable band imaging in the ultraviolet and optical", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99053C (18 July 2016); https://doi.org/10.1117/12.2232875

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