Spectral analyzer and direction indicator

Details Spectral analyzer and direction indicator Spectral analyzer and direction indicator

1984-12-26

1987-07-28

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

356141, G01N 2101, G01J 336, G01B 1126

Patent

active

046828885

ABSTRACT:
Spectral analyzer and direction indicator systems (10,20,30,40,50) are disclosed and include optical elements (11,17,27b,33b,35b,39b) for providing optical information which depend on incidence direction and spectral content, and further includes optical elements (23,27a,33a,35a,39a) for providing non-diffracted optical information which depend on incidence direction. The respective optical information as detected by detector arrays (15,21,25,31,37) are utilized together to provide information for specifically identifying spectral content and incidence direction of collimated or nearly collimated radiation.

REFERENCES:
patent: 3515459 (1970-06-01), Wood
patent: 3825350 (1974-07-01), Wilmot
patent: 3929398 (1975-12-01), Bates
patent: 3992099 (1976-11-01), Laughlin
patent: 4037959 (1977-07-01), Bumgardner
patent: 4136568 (1979-01-01), Seymour
patent: 4184767 (1980-01-01), Hughes et al.
patent: 4249823 (1981-02-01), Task
patent: 4351611 (1982-09-01), Leif
patent: 4500200 (1985-02-01), Kleinhans
Patents Abstracts of Japan, vol. 6, No. 121, Jul. 6, 1982, pp. P-126-999 & JP, A, 5749822 (Hitachi Seisakusho) Mar. 24, 1982.

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