Optical arrangement having a concave mirror or concave grating

Details Optical arrangement having a concave mirror or concave grating Optical arrangement having a concave mirror or concave grating

1985-12-12

1987-11-17

LaRoche, Eugene R.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350 9615, 356326, 370 3, 351176, G02B 610

Patent

active

047070560

ABSTRACT:
An optical arrangement for imaging a relatively small or slit-like surface is disclosed which includes a concave mirror or a concave grating. Astigmatism is corrected for the concave mirror or concave grating by mounting a slab waveguide at the surface which is to be imaged or at the image which is formed.

REFERENCES:
patent: 2847899 (1958-08-01), Walsh
patent: 3617109 (1971-11-01), Tien
patent: 3664743 (1972-05-01), Kanda
patent: 4175864 (1979-11-01), Gilby
patent: 4387955 (1983-06-01), Ludman et al.
Applied Optics/vol. 19, No. 21, Nov. 1980, Ryuichi Watanbe and Kiyoshi Nosu, Slab Waveguide Demultiplexer for Multimode Optical Transmission in the 1.0-1.4 .mu.m Wavelength Region, pp. 3588 to 3589.

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