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Conferences > ASSL > 1994 > EL > EL2

Side-Pumped Eyesafe Laser

B. Labranche, M. Levesque, M. Morin, Y. Taillon, K. Snell, P. Galarneau, D. Hart, C. Drèze, and P. Mathieu

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Abstract

Experiments have been conducted with an Er:Yb:glass rod pumped transversely with a single InGaAs strained-layer laser diode bar emitting at 950 nm. Direct coupling as well as microlens coupling of the pumping beam to the gain medium have been tested. A 14.7 % slope efficiency has been achieved in fixed-Q operation, with the threshold occurring at 74 mJ of input energy. The output pulse energy at 1.53 μm reached a maximum of 20 mJ at an incident pumping energy of 210 mJ.

© 1994 Optical Society of America

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