Reduction of surface heating effects in nonlinear crystals...

Details Reduction of surface heating effects in nonlinear crystals... Reduction of surface heating effects in nonlinear crystals...

2007-04-24

2009-06-02

Nguyen, Dung T. (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S022000, C372S028000

Reexamination Certificate

active

07542490

ABSTRACT:
A device for generating a frequency converted laser beam includes a nonlinear crystal having a first end face and a second end face opposed to the first end face. The nonlinear crystal is configured to receive at least one input laser beam at the first end face and output a frequency converted beam at the second face. A beam waist of the at least one input laser beam is positioned between the first end face and the second end face during a frequency conversion process. The device also includes a second crystal having a first end face bonded to the second end face of the nonlinear crystal and a second end face opposed to the first end face. A beam diameter of the frequency converted beam at the first end face of the second crystal is less than a beam diameter of the frequency converted beam at the second end face of the second crystal.

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patent: 6381255 (2002-04-01), Van Saarloos et al.
Myatt et al., “Optical Fabrication: Optical Contacting Grows More Robust,”Laser Focus World, vol. 42, Jan. 2006.
Payne et al, “Diode Arrays, Crystals, and Thermal Management for Solid-State Lasers,” Selected Topics in Quantum Electronics, IEEE, vol. 3, No. 1, Feb. 1997, pp. 71-81.

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