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Conferences > CLEO > 1984 > CPD > ThR12

Cryogenically Cooled, High Power 2 um Ho Laser

A. Linz, M. Model, C. S. Naiman, F. R. Payne, and H. P. Jenssen

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Abstract

We report here on a practical, cryogenically cooled cw laser. The laser consists of a multiply sensitized Ho:YLF laser rod cooled by circulating liquid nitrogen and optically pumped by a 1000W tungsten halogen lamp. An output of 35W with a slope efficiency greater than 4% has been obtained from a 5 mm diameter by 60 mm long laser rod. The laser is continuously tunable over a 20 nm range around 2.06 μm.

© 1984 Optical Society of America

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