Optics for Diode Array Transverse Pumped Laser Rod.
Patent, Filed 29 Mar 90, patented 26 May 92,
DEPARTMENT OF THE NAVY WASHINGTON DC
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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 deg.
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