Tunable OPO laser
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United States of America Patent
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Jan 11, 2011
Grant Date -
N/A
app pub date -
Jul 12, 2007
filing date -
Jul 12, 2007
priority date (Note) -
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Abstract
A tunable OPO laser is provided. The laser includes an OPO cavity containing an OPO nonlinear crystal for generating a plurality of preselected wavelength beams of different wavelengths. The OPO cavity is formed between a first OPO reflective surface and a second OPO reflective surface. A laser cavity containing a lasing medium for generating a preselected wavelength fundamental beam is provided in optical communication with the OPO cavity. The laser cavity is partially separate and partially overlapping the OPO cavity. A beam separating prism is located in the overlapping portion of the two cavities. The beam separating prism separates electromagnetic radiation propagating through the prism into spatially separate paths of different wavelength. At least one of the OPO reflecting surfaces is moveable over a preselected range to reflect a selected wavelength of electromagnetic radiation propagating from the prism for amplification in the OPO cavity.
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