Focal plane array spectrometer: miniaturization effort for space optical instruments

Benedikt Guldimann; Stefan Kraft

doi:10.1117/12.882501

14 February 2011 Focal plane array spectrometer: miniaturization effort for space optical instruments

Benedikt Guldimann, Stefan Kraft

Proceedings Volume 7930, MOEMS and Miniaturized Systems X; 79300O (2011) https://doi.org/10.1117/12.882501
Event: SPIE MOEMS-MEMS, 2011, San Francisco, California, United States

Abstract

A concept of a compact imaging spectrometer component based on an integrated waveguide array is elaborated and its design rules presented. The component, a focal plane array spectrometer (FPAS), is used in a similar way as a CMOS detector array or a CCD in a camera. The classical spectrometer, for instance an optical grating spectrometer, disappears from the optical system. The whole instrument is therefore reduced to the imaging optics and the FPAS in the focal plane which takes over the function of the spectrometer and detector array. Its potential for very high spectral resolution, minimal size, simple instrument integration, modularity and ruggedness makes it interesting for commercial and special applications like space. Two typical space optical instruments are reconceived using the FPAS with the result of a potential volume reduction of a factor five to eight while keeping the same performances. Also the specifications of simple and generic spectrometers based on the proposed component concept are very promising with respect to spectral resolution, volume and simplicity of instrument design and manufacturing.

Citation Download Citation

Benedikt Guldimann and Stefan Kraft "Focal plane array spectrometer: miniaturization effort for space optical instruments", Proc. SPIE 7930, MOEMS and Miniaturized Systems X, 79300O (14 February 2011); https://doi.org/10.1117/12.882501

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