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All-fiber Q-switched holmium laser

✍ Scribed by E.M. Sholokhov; A.V. Marakulin; A.S. Kurkov; V.B. Tsvetkov

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 77 KB
Volume: 8
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.201110009

No coin nor oath required. For personal study only.

✦ Synopsis

For the first time we have suggested and realized all-fiber Q-switched Ho-doped laser with the fiber saturable absorber based on the heavily Ho-doped fiber. Two oscillation modes were observed. One of them allows one to obtain pulses with the duration of 20 ns and the peak power as high as 2 kW. Second mode is similar to the self-pulsing providing by an interaction of ions within the clusters. Type of Q-switching is determined by the length of the absorber. 1 2 3 Output power, W 0 1 2 3 4 14 0 2 4 6 8 1 0 1 2

Pump power, W

The output power versus the pump power for Ho-doped fiber laser, 1 -without absorber, 2 -with 1.5-m-length absorber, and 3 -with 1-m-length absorber

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