Mirror translation apparatus for altering focal point position i

Coherent light generators – Particular active media – Liquid

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372 15, 372101, 372107, H01S 320

Patent

active

048978477

ABSTRACT:
There is disclosed an apparatus for translating the focal points of curved mirrors in a dye laser along a straight line comprising an experimentally selected pivot point for each mirror and a means for causing each mirror to pivot about its pivot point. Rotation of the mirror about the pivot point causes the incoming beam to strike the mirror in a different place on the curved surface such that the angle of reflection changes in such a manner as to compensate for the arcuate movement of the mirror around the pivot point. Also disclosed are hinge designs to allow a mirror to pivot about an apparent pivot point which is much farther away from the mirror than the hinge. Also disclosed are methods for attaching the mirror supports to the laser frame in dye laser construction and for tuning the dye laser so constructed for optimum lasing efficiency.

REFERENCES:
patent: 3443243 (1969-05-01), Patel
patent: 4081765 (1978-03-01), Berg et al.
patent: 4674097 (1987-06-01), Fountain

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