Re-entrant structure for thin disk resonators

Details Re-entrant structure for thin disk resonators Re-entrant structure for thin disk resonators

2007-08-30

2010-11-02

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular resonant cavity

Folded cavity

C372S070000, C372S092000

Reexamination Certificate

active

07826513

ABSTRACT:
The present embodiment provides a system and method for lowering the saturated gain level of a thin-disk laser oscillator by multipassing each gain generator in such a way to cancel some of the wavefront error contributions from the disk surfaces. Wavefront aberrations introduced on one pass of the gain disk are canceled through symmetry on successive passes. The reduced wavefront error significantly improves design space for single-mode resonators. Maximum effectiveness is achieved by rotating the gain disk so that the fold plane-of-symmetry reverses the largest wavefront error or specifically chosen functional forms.

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