Alignment reference device

Details Alignment reference device Alignment reference device

1986-09-10

1987-06-16

Hart, Douglas

Illumination

Revolving

362259, 362294, 362308, 362328, 362334, F21V 704, F21V 2900

Patent

active

046740112

ABSTRACT:
An alignment reference device provides a collimated laser beam that minimizes angular deviations therein. A laser beam source outputs the beam into a single mode optical fiber. The output end of the optical fiber acts as a source of radiant energy and is positioned at the focal point of a lens system where the focal point is positioned within the lens. The output beam reflects off a mirror back to the lens that produces a collimated beam.

REFERENCES:
patent: 2309788 (1943-02-01), Ramberg
patent: 2589569 (1952-03-01), Peter
patent: 2784640 (1957-03-01), Le Reche et al.
patent: 3122602 (1964-02-01), Page
patent: 3918814 (1975-11-01), Weiser
patent: 4011403 (1977-03-01), Epstein

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