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Abstract
A passively -switched ytterbium-doped fiber laser (YDFL) operating at 1062 nm was demonstrated by using a segment of 20 cm titanium dioxide-doped fiber saturable absorber ( SA). The -switched YDFL emerged stably with tunable repetition rates ranging from 32 kHz to 53 kHz as the pump power rose from 109 mW to 233 mW. Within this range of pump power, a maximum output power of 10.1 mW, maximum peak power of 75 mW, and maximum pulse energy of 191 nJ were obtained. The narrowest pulse width of 2.55 μs was attained at the maximum pump power of 233 mW, while the signal-to-noise ratio of the fundamental frequency was 47 dB. This demonstration reveals that the proposed SA is feasible for constructing a flexible and reliably stable -switched pulsed fiber laser in the 1-micrometer region.
© 2019 Optical Society of America
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M. F. A. Rahman, P. H. Reddy, M. C. Paul, S. Das, A. Dhar, M. F. Baharom, A. A. Latiff, M. F. M. Rusdi, P. Wang, K. Dimyati, and S. W. Harun, "Titanium dioxide fiber saturable absorber for Q-switched fiber laser generation in the 1-micrometer region: publisher’s note," Appl. Opt. 61, 10228-10228 (2022)https://opg.optica.org/ao/abstract.cfm?uri=ao-61-34-10228
16 November 2022: A correction was made to the author affiliations.
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