Thirty-two-channel LED array spectrometer module with compact optomechanical construction

Jouko Malinen; Heimo Keranen; Tapio Hannula; Timo S. Hyvarinen

doi:10.1117/12.48848

1 December 1991 Thirty-two-channel LED array spectrometer module with compact optomechanical construction

Jouko Malinen, Heimo Keranen, Tapio Hannula, Timo S. Hyvarinen

Author Affiliations +

Proceedings Volume 1533, Optomechanics and Dimensional Stability; (1991) https://doi.org/10.1117/12.48848
Event: San Diego, '91, 1991, San Diego, CA, United States

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.

Citation Download Citation

Jouko Malinen, Heimo Keranen, Tapio Hannula, and Timo S. Hyvarinen "Thirty-two-channel LED array spectrometer module with compact optomechanical construction", Proc. SPIE 1533, Optomechanics and Dimensional Stability, (1 December 1991); https://doi.org/10.1117/12.48848

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