Method and a system for converting an input light into an output light beam
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United States of America Patent
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May 15, 2018
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app pub date -
Jan 7, 2015
filing date -
Jan 8, 2014
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Abstract
The disclosure herein generally relates to a system (10) for converting an input light (12) into an output light beam (14) that has a spatial beam quality that is greater than that of the input light (12). The system (10) comprises an optical resonator having disposed therein a Raman crystal (20). The Raman crystal (20) is for receiving the input light (12) and the optical resonator is configured to resonate a Stokes light beam (22) generated from the input light (12) by at least one nonlinear interaction within the Raman crystal (20). The at least one nonlinear interaction comprises at least one Raman interaction. The Stokes light beam (22) has a spatial beam quality that is greater than that of the input light (12). The system (10) comprises a light extractor (18) arranged to generate the output light beam (14) by extracting at least some of the Stokes light beam (22) from the optical resonator.
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