Efficient, 1.5W CW and 7mJ quasi-CW TEM[sub]00[/sub] mode operation of a compact diode-laser-pumped 2.94µm Er:YAG laser

John Gary Sousa; David Welford; Josh Foster

doi:10.1117/12.848508

17 February 2010 Efficient, 1.5W CW and 7mJ quasi-CW TEM₀₀ mode operation of a compact diode-laser-pumped 2.94µm Er:YAG laser

John Gary Sousa, David Welford, Josh Foster

Author Affiliations +

Proceedings Volume 7578, Solid State Lasers XIX: Technology and Devices; 75781E (2010) https://doi.org/10.1117/12.848508
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

An efficient, compact diode-laser-pumped 2.94μm Er:YAG laser operating at 1.5 W continuous output power in a TEM₀₀ beam with M²<1.2 has demonstrated pulsed operation in the quasi-cw regime with energies up to 9 mJ. Power scaling and output beam fiber-coupling at 85% efficiency in a hermetic package will be described.

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John Gary Sousa, David Welford, and Josh Foster "Efficient, 1.5W CW and 7mJ quasi-CW TEM₀₀ mode operation of a compact diode-laser-pumped 2.94µm Er:YAG laser", Proc. SPIE 7578, Solid State Lasers XIX: Technology and Devices, 75781E (17 February 2010); https://doi.org/10.1117/12.848508

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