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Proceedings Paper

Focal plane array spectrometer: miniaturization effort for space optical instruments
Author(s): Benedikt Guldimann; Stefan Kraft
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Paper 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.

Paper Details

Date Published: 14 February 2011
PDF: 14 pages
Proc. SPIE 7930, MOEMS and Miniaturized Systems X, 79300O (14 February 2011); doi: 10.1117/12.882501
Show Author Affiliations
Benedikt Guldimann, European Space Research and Technology Ctr. (Netherlands)
Stefan Kraft, European Space Research and Technology Ctr. (Netherlands)

Published in SPIE Proceedings Vol. 7930:
MOEMS and Miniaturized Systems X
Harald Schenk; Wibool Piyawattanametha, Editor(s)

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