Diffraction grating having a plurality of different grating cons

Details Diffraction grating having a plurality of different grating cons Diffraction grating having a plurality of different grating cons

1987-07-01

1989-12-12

Bovernick, Rodney B.

Optics: measuring and testing

Range or remote distance finding

With photodetection

35016223, 356328, G02B 518, G01J 328

Patent

active

048863416

ABSTRACT:
In a diffraction grating grooves having at least two kinds of grating constants are alternately arranged so as to repetitive at a constant period.

REFERENCES:
patent: 3015984 (1962-01-01), Martin
patent: 3045532 (1962-07-01), Staunton
patent: 3791737 (1974-02-01), Johansson
patent: 4528448 (1985-07-01), Doggett

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