Non-imaging optical energy transfer system

Details Non-imaging optical energy transfer system Non-imaging optical energy transfer system

1980-11-12

1983-05-10

Lee, John D.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350 9610, 350320, 356326, G02B 514

Patent

active

043826563

ABSTRACT:
A non-imaging optical energy transfer system includes a tapered light pipe and associated field lens as its central energy transfer mechanism. The light pipe/lens combination is located between two separate sections of the system which individually have the same throughput or etendue but otherwise differ in f/#, beam focus, and pupil sizes. The transfer system is disclosed used in combination with a circular variable filter-absorption cell infrared spectrometer and an internal reflection spectrometer, employing a multiple internal reflection crystal.

REFERENCES:
patent: 3535507 (1970-10-01), Sugino
patent: 3536434 (1970-10-01), Frank
patent: 3670157 (1972-06-01), Bragg
patent: 3861809 (1975-01-01), Hall, Jr.
patent: 4070090 (1978-01-01), Farr et al.
patent: 4105332 (1978-08-01), Hohne et al.
patent: 4175864 (1979-11-01), Gilby
Williamson, "Cone Channel Condenser Optics," J.O.S.A., vol. 42, No. 10, Oct. 1952, pp. 712-715.
Marshall, "Tapered Light Guide Condenser: A Design Approach," Conf. Proc. of SPIE Vol. 176 Guided Wave Opt. Systems & Devices II, Washington, D.C., Apr. 1979, pp. 161-167.

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