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Proceedings Paper

Thirty-two-channel LED array spectrometer module with compact optomechanical construction
Author(s): Jouko Malinen; Heimo Keranen; Tapio Hannula; Timo S. Hyvarinen
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Paper Abstract

A compact and versatile 32-wavelength spectrometer module has been developed based on a linear LED array and a fixed grating monochromator. The design includes all the optical, mechanical, and optoelectronic parts in a size of approximately 4 x 4 x 7 cu cm. The wavelength bands are scanned electronically without any moving parts. All the optical parts have been assembled to form a cemented solid glass construction, which is mechanically and thermally stable and well protected against water condensation or dust. The developed source module can be easily modified and has obvious advantages for spectroscopic analyzers, especially in process and portable applications.

Paper Details

Date Published: 1 December 1991
PDF: 7 pages
Proc. SPIE 1533, Optomechanics and Dimensional Stability, (1 December 1991); doi: 10.1117/12.48848
Show Author Affiliations
Jouko Malinen, Technical Research Ctr. of Finland (Finland)
Heimo Keranen, Technical Research Ctr. of Finland (Finland)
Tapio Hannula, Technical Research Ctr. of Finland (Finland)
Timo S. Hyvarinen, Technical Research Ctr. of Finland (Finland)

Published in SPIE Proceedings Vol. 1533:
Optomechanics and Dimensional Stability
Roger A. Paquin; Daniel Vukobratovich, Editor(s)

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