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28 February 2006Power scaling of 1617-nm Er:YAG laser operation using a narrow bandwidth output coupler
We demonstrate Er:YAG laser operation at 1617nm with 6W output power and good beam quality (M-squared = 1.5) using a Volume Bragg Grating (VBG) as a wavelength selective output coupler. The low quantum defect operation of 5% is achieved by resonant pumping with a 1534nm fiber pump laser. The thermal loads of the crystal under 1617nm laser operation, under 1645nm laser operation, and under a no lasing condition are determined.
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Victor Leyva, Kalin Spariosu, "Power scaling of 1617-nm Er:YAG laser operation using a narrow bandwidth output coupler," Proc. SPIE 6100, Solid State Lasers XV: Technology and Devices, 61000C (28 February 2006);