Visible and near-infrared filters for miniaturized spectrometers

Angela Piegari; Anna K. Sytchkova; Ilaria Di Sarcina; Jiri Bulir

doi:10.1117/12.789189

23 July 2008 Visible and near-infrared filters for miniaturized spectrometers

Angela Piegari, Anna K. Sytchkova, Ilaria Di Sarcina, Jiri Bulir

Proceedings Volume 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation; 701855 (2008) https://doi.org/10.1117/12.789189
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

The development of light-weight instrumentation for space-based measurements, involves an improvement in the production techniques of optical components. In this work the design and manufacturing of small-dimension variable filter is described. These visible-infrared filters are designed to be coupled to an array detector, in a way that each CCD line is able to detect the radiation in a different narrow radiation band. In this way a compact low-mass optical sensor is obtained that will be combined to a telescope for image spectrometry from space. The optical filters were manufactured by radiofrequency magnetron sputtering, with the aid of a masking system inside the vacuum chamber. Testing at cryogenic temperature proved their stability in the space environment conditions.

Citation Download Citation

Angela Piegari, Anna K. Sytchkova, Ilaria Di Sarcina, and Jiri Bulir "Visible and near-infrared filters for miniaturized spectrometers", Proc. SPIE 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation, 701855 (23 July 2008); https://doi.org/10.1117/12.789189

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