1 December 1990 Optical fiber lasers made from rare-earth-doped heavy-metal fluoride glasses emitting in the 2.5 - 3 μm wavelength range
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Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 151462 (1990) https://doi.org/10.1117/12.2301628
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States
Abstract
Results are presented of an Er3+-doped CW fluorozirconate multimode fiber laser, operating efficiently at 2.75 μm, with low threshold power (< 1 mW), pumped at 650 and 795 nm, a tunable range of about 160 11m, and of a Ho3+-doped CW fluorozirconate multimode fiber laser operating around 2.9 ?m, pumped at 640 nm, with an absorbed power threshold of approx. 65 mW and a tunable range of about 120 nm. The absorbed power threshold was 35 mW when pumped at 750 nm.
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Ludwig Wetenkamp, Ludwig Wetenkamp, } "Optical fiber lasers made from rare-earth-doped heavy-metal fluoride glasses emitting in the 2.5 - 3 μm wavelength range", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 151462 (1 December 1990); doi: 10.1117/12.2301628; https://doi.org/10.1117/12.2301628
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