Optical path rotating device used with linear array laser diode

Details Optical path rotating device used with linear array laser diode Optical path rotating device used with linear array laser diode

1994-04-28

1996-04-30

Davie, James W.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

372 70, 385 33, H01S 3094

Patent

active

055132014

ABSTRACT:
An optical path rotating device, disposed in front of a linear array laser diode having a plurality of long and narrow and linearly arranged emitters for emitting a group of laser beams in the form of a dotted line, the optical path rotating device being able to convert the laser beams from the emitters into laser beams lined up in the form of ladder rungs by receiving the group of laser beams collimated by being refracted in a direction substantially perpendicular to the direction of the dotted line, rotating the positions of the laser beams from the emitters substantially for a right angle, and emitting the laser beams, and a laser apparatus, which uses the optical path rotating device, for collimating the substantially rung-shaped laser beams into two directions independently, bringing the laser means into focus, thus increasing the density of the laser energy at the focus.

REFERENCES:
patent: 4794615 (1988-12-01), Berger
patent: 4813762 (1989-03-01), Leger et al.
patent: 4895790 (1990-01-01), Swanson et al.
patent: 5081637 (1992-01-01), Fan et al.
patent: 5268978 (1993-12-01), Po et al.
patent: 5369661 (1994-11-01), Yamaguchi et al.
High-Power Nd:YAG Laser End Pumped By A CW, 10 mm.times.1 .mu.m Aperature, 10-W Laser-Diode Bar, Shannon et al., Optics Letters, vol. 16, No. 5, Mar. 1, 1991.

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