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23 December 2004 Fibre-laser-pumped mid-infrared source
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Abstract
We present a simple design for efficient generation of high average power in the 3-5 μm wavelength range. Using a 15 W thulium-doped fibre laser to pump a Q-switched 2.1 μm Ho:YAG laser, we obtain 9.2 W average output power with excellent beam quality. The 2.1 μm output is used to pump a ZnGeP2-based OPO, resulting in 4.6 W average output power in the 3.6-5.2 μm range with beam quality M2 < 1.4.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Espen Lippert, Gunnar Rustad, Stephane Nicolas, Gunnar Arisholm, and Knut Stenersen "Fibre-laser-pumped mid-infrared source", Proc. SPIE 5620, Solid State Laser Technologies and Femtosecond Phenomena, (23 December 2004); https://doi.org/10.1117/12.578754
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