Multiple reflection optical system

Details Multiple reflection optical system Multiple reflection optical system

1979-02-26

1980-06-24

Henry, Jon W.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356246, G02B 510

Patent

active

042092329

ABSTRACT:
The multiple reflection optical system includes opposing reflecting members of which one is adjoined by entrance and exit slits and is made up of two identical mirrors defining a group arranged symmetrically with respect to one of the slits. The other reflecting member is made up of two concave mirrors of different dimensions. The spacing between the group of the identical mirrors and the concave mirrors, as well as the focal length of the concave mirror of the smaller dimensions are 1.5 times the focal length of the concave mirror of the greater dimensions.

REFERENCES:
patent: 3469920 (1969-09-01), Dumartin et al.
Smith, H. D. et al., J.O.S.A., vol. 30, Aug. 1940, pp. 338-342.
White, John U., J.O.S.A., vol. 32, May 1942, pp. 285-288.

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