Frequency-converted laser apparatus with frequency...

Details Frequency-converted laser apparatus with frequency... Frequency-converted laser apparatus with frequency...

2006-06-27

2006-06-27

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular beam control device

Tuning

C372S022000

Reexamination Certificate

active

07068689

ABSTRACT:
A frequency-converted laser apparatus includes an optical pumping source that produces fundamental laser radiation and an external resonant cavity having one beam path direction-marked frequency conversion crystal within said resonant cavity or just beam path direction-marked frequency conversion crystals without an additional resonant cavity. The “to-be-used” direction of said frequency conversion crystal is well defined or clearly marked. The frequency converted laser radiation after said frequency conversion crystal shows better beam quality and much higher power stability if said frequency conversion crystal is used in the “to-be-used” direction.

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