Progress on high power Raman fiber lasers at 1.48 and 1.7 µm

Andrew Grimes; Anand Hariharan; Jeffrey W. Nicholson

doi:10.1117/12.2583068

5 March 2021 Progress on high power Raman fiber lasers at 1.48 and 1.7 μm

Andrew Grimes, Anand Hariharan, Jeffrey W. Nicholson

Proceedings Volume 11665, Fiber Lasers XVIII: Technology and Systems; 116650P (2021) https://doi.org/10.1117/12.2583068
Event: SPIE LASE, 2021, Online Only

Abstract

We report the results from Raman fiber lasers with CW output powers of 224 Watts at 1.48 μm and 168 Watts at 1.7 μm, both of which are to the best of our knowledge the highest output powers from cascaded Raman resonators at these wavelengths. The Raman fiber lasers use unique Raman filter fibers to prevent threshold at the next Stokes wavelength, allowing for high spectral purity in the desired Stokes. In addition, the 1.7 μm output is pulsed to achieve 1.4 mJ in an 8.5 µs FWHM pulse.

Conference Presentation

Citation Download Citation

Andrew Grimes, Anand Hariharan, and Jeffrey W. Nicholson "Progress on high power Raman fiber lasers at 1.48 and 1.7 μm", Proc. SPIE 11665, Fiber Lasers XVIII: Technology and Systems, 116650P (5 March 2021); https://doi.org/10.1117/12.2583068

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