High power laser beam sampler

Details High power laser beam sampler High power laser beam sampler

1992-01-02

1994-06-21

Sikes, William L.

Optical: systems and elements

Diffraction

From grating

359569, 359350, G02B 100, G02B 518

Patent

active

053232674

ABSTRACT:
A beam sampler comprises a substrate made of highly transparent fused silica or zinc selenide, both capable of sustaining high power laser beams. The substrate defines an outer surface through which the light beam being sampled propagates. A sinusoidal diffracting relief is etched on this outer surface directly into the light-propagating material of the substrate. When a light beam propagates through the outer surface of the substrate, the three-dimensional diffracting relief extracts from this light beam at least one pair of low power beam samples.

REFERENCES:
patent: 3574462 (1971-04-01), Harvey
patent: 3861801 (1975-01-01), Peters et al.
patent: 4426130 (1984-01-01), Knop
patent: 4440839 (1984-04-01), Mottier
patent: 4512638 (1985-04-01), Sriram et al.
patent: 4806454 (1989-02-01), Yoshida et al.
patent: 5113286 (1992-05-01), Morrison
patent: 5238785 (1993-08-01), Ohkura et al.

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