Optics for diode array transverse pumped laser rod

Details Optics for diode array transverse pumped laser rod Optics for diode array transverse pumped laser rod

1990-03-29

1992-05-26

Gonzalez, Frank

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

372 70, 372 41, 372 75, H01S 3093

Patent

active

051174367

ABSTRACT:
A solid state laser rod of an anisotropic material is more efficiently side pumped by using cylindrical lenses and a half-wave plate with linear laser diode arrays disposed along the length of the solid state laser rod such that the polarization of the diode array light is rotated to achieve a maximum absorption coefficient in the laser rod material. In addition, Fresnel reflection losses at the lens and laser rod surfaces are reduced by a 90.degree. polarization rotation.

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patent: 4734912 (1988-03-01), Seerbak et al.
patent: 4756002 (1988-07-01), Ruggieri et al.
patent: 4761056 (1988-08-01), Byron
patent: 4785459 (1988-11-01), Baer
patent: 4924474 (1990-05-01), Yagi et al.
Hanson et al., Applied Opt., vol. 27(1) 1 Jan. 88 pp. 80-83 "Laser diode e pumping of neodymium laser rods".

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