Compact, all-optical spectrum analyzer for chemical and biologic

Details Compact, all-optical spectrum analyzer for chemical and biologic Compact, all-optical spectrum analyzer for chemical and biologic

1997-09-22

2000-01-18

Turner, Samuel A.

Optics: measuring and testing

By particle light scattering

With photocell detection

356346, G01B 902

Patent

active

060161973

ABSTRACT:
An optical spectrum analyzer based on optical processing of the far field interference pattern from two beams irradiated by light transmitting waveguides is described. The spectrum analyzer can operate in UV, VIS, NIR and MIR ranges of spectrum and it can be based on either optical fibers (multimode or single-mode) or integrated optical waveguides. It has many important applications, for example, as a simple, compact and inexpensive spectrum analyzer used with fiber optic chemical and biological sensors.

REFERENCES:
patent: 3924952 (1975-12-01), Marechal et al.
patent: 4779984 (1988-10-01), Cook
D.D. Mareenac & J.E. Carroll, "Maximum-Entropy Optical Spectrum Analyzer", Optics Letters 20 1074-6 (1995).
Marketing Brochure--"S1000 Miniature Fiber Optic Spectrometer" Ocean Optics Inc.

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