4 March 2016 Mid-infrared, external cavity BaWO4 Raman laser at 2602 nm with 1.25-W output power
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An external cavity BaWO4 Raman source pumped by a Q-switched Ho:YAG laser is demonstrated. Watt-level average output power is generated at the first Stokes wavelength of 2602 nm. Output pulse width as short as 8.5 ns was measured at a repetition rate of 5 kHz. Near-diffraction limited beam quality is observed (M2≈1.2). This simplified Raman laser configuration can harness the high average power levels offered by Thulium- and Holmium-doped solid-state and fiber lasers to generate fixed-wavelength and tunable output at 2.3-2.8 μm interval.
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Onur Kuzucu, Onur Kuzucu, "Mid-infrared, external cavity BaWO4 Raman laser at 2602 nm with 1.25-W output power", Proc. SPIE 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, 97310S (4 March 2016); doi: 10.1117/12.2214291; https://doi.org/10.1117/12.2214291


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