Compact, efficient and robust ultraviolet solid-state laser...

Details Compact, efficient and robust ultraviolet solid-state laser... Compact, efficient and robust ultraviolet solid-state laser...

2011-08-16

2011-08-16

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S022000

Reexamination Certificate

active

08000357

ABSTRACT:
A compact and efficient ultraviolet laser source based on a optically-pumped solid-state or fiber laser that produces near-infrared output light suitable for nonlinear frequency conversion. The infrared laser output is frequency tripled or quadrupled to produce light in the ultraviolet wavelength range (200 nm to 400 nm). The novel technology is the use of highly efficient periodically poled nonlinear crystals, such as stoichiometric and MgO-doped lithium tantalate and lithium niobate. As opposed to conventional frequency-converted UV laser sources, which have high power consumption, high cost, and low efficiency, the laser sources of this invention utilize high efficiency nonlinear conversion provided by periodically poled materials and allow lower-cost architectures without additional focusing lenses, high power pump diodes, etc.

REFERENCES:
patent: 6259711 (2001-07-01), Laurell
patent: 6370168 (2002-04-01), Spinelli
patent: 6587487 (2003-07-01), Yin
patent: 7218655 (2007-05-01), Wang et al.
patent: 2006/0233206 (2006-10-01), Miner et al.

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