Chinese Optics Letters, 2007, 5 (7): 415, Published Online: Jul. 11, 2007   

Acousto-optic Q-switched cladding-pumped ytterbium-doped fiber laser Download: 585次

Author Affiliations
Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments, Tsinghua University, Beijing 100084
Abstract
A diode-pumped, acousto-optic Q-switched fiber laser is presented based on multimode ytterbium-doped fiber. The fiber with core diameter of 30 microns is used to increase the laser gain volume and the pulse energy efficiently. The average power in excess of 9 W is obtained at the repetition rate of 20 kHz with 66% slope efficiency. The pulse width is 198 ns with no evident amplified spontaneous emission between pulses, thus the pulse energy and peak power are 465 microjoule and 2.36 kW, respectively.

Bo Peng, Qiang Liu, Mali Gong, Ping Yan. Acousto-optic Q-switched cladding-pumped ytterbium-doped fiber laser[J]. Chinese Optics Letters, 2007, 5(7): 415.

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