Unstable monoblock laser cavity with integrated beam expander

Details Unstable monoblock laser cavity with integrated beam expander Unstable monoblock laser cavity with integrated beam expander

2007-03-14

2008-09-23

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular beam control device

Q-switch

C372S021000, C372S101000

Reexamination Certificate

active

07428252

ABSTRACT:
A monoblock laser cavity includes a plurality of discrete optical components disposed serially on a substrate and sharing a common optical axis. The optical components include a laser rod of gain material, a Q-switch, an OPO crystal, an output coupler, and a positive lens. The output coupler has a convex input end face and a concave output end face, and acts as the expanding lens element of a beam expander, and the positive lens completes the beam expander to improve the beam quality.

REFERENCES:
patent: 5181211 (1993-01-01), Burnham et al.
patent: 6356575 (2002-03-01), Fukumoto
patent: 2006/0280221 (2006-12-01), Seitel

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