Slanted FBG for SRS suppression
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United States of America
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Jan 25, 2022
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app pub date -
Apr 25, 2019
filing date -
Apr 25, 2019
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Abstract
An example apparatus includes an optical fiber including a core and cladding, the core being situated to propagate an optical beam along a propagation axis associated with the core, and at least one fiber Bragg grating (FBG) situated in the core of the optical fiber, the fiber Bragg grating including a plurality of periodically spaced grating portions situated with respect to the propagation axis so that light associated with Raman scattering is directed out of the core so as to reduce the generation of optical gain associated with stimulated Raman scattering (SRS).
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