Laser Linewidth and the Thermal Grating Generation of TMI in kW-class Fiber Amplifiers

Marc D. Mermelstein

doi:10.1364/FIO.2017.JW4A.90

Frontiers in Optics 2017
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper JW4A.90
•https://doi.org/10.1364/FIO.2017.JW4A.90

Laser Linewidth and the Thermal Grating Generation of TMI in kW-class Fiber Amplifiers

Marc D. Mermelstein

Frontiers in Optics 2017

Washington, D.C. United States
18–21 September 2017
ISBN: 978-1-943580-33-0

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Joint Poster Session IV (JW4A)

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M. D. Mermelstein, "Laser Linewidth and the Thermal Grating Generation of TMI in kW-class Fiber Amplifiers," in Frontiers in Optics 2017, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper JW4A.90.

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Abstract

The laser linewidth dependence to TMI generated by a thermal grating (TG) is examined. Laser linewidths comparable to the thermal relaxation time are required for TMI generation. This result conflicts with experimental demonstrations.

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