Continuous-wave and Q-switched operation of a resonantly pumped U-shaped Er:YAG laser at 1617 and 1645 nm

R. Wang, C. Q. Gao, L. N. Zhu, M. W. Gao, Y. Zheng, Q. Ye, Z. Q. Wu

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Abstract

Continuous-wave (CW) and Q-switched operation at 1617 and 1645 nm in a resonantly pumped Er:YAG laser is reported. A U-shaped resonator incorporating an acousto-optic Q-switch was used, and an etalon was employed to select the 1617 nm output. In CW operation the laser yielded 3.68 W at 1617 nm and 4.01 W at 1645 nm; in Q-switched operation the laser yielded 2.09 mJ at a 750 Hz repetition rate at 1617 nm and 2.07 mJ at a 1 kHz repetition rate at 1645 nm.

Original languageEnglish
Article number025802
JournalLaser Physics Letters
Volume10
Issue number2
DOIs
Publication statusPublished - Feb 2013

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