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Erbium-glass slab laser with transverse diode pumping

G. I. Ryabtsev, M. V. Bogdanovich, A. I. Enzhievskiĭ, L. L. Teplyashin, A. P. Klishchenko, A. V. Pozhidaev, M. A. Shchemelev, A. G. Ryabtsev, A. S. Kraskovskiĭ, S. N. Titovets, K. V. Yumashev, A. M. Malyarevich, O. S. Dymshits, and A. A. Zhilin

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Abstract

A slab laser based on borosilicate phosphate glass doped with erbium and ytterbium with transverse diode pumping has been developed and investigated. In the passive Q-switching regime, using a shutter based on a glass-crystalline material with nanosize spinel doped with divalent cobalt ions, the energy of the output radiation was 1.3mJ with a pulse width of 19ns. With active Q switching, the energy of the developed laser was 2.3mJ. The internal optical losses are estimated, and the parameters of the passive shutter are determined.

© 2008 Optical Society of America

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