Chinese Optics Letters, 2018, 16 (1): 010609, Published Online: Jul. 17, 2018
Passively Q-switched S-band thulium fluoride fiberlaser with multi-walled carbon nanotube 
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060.0060 Fiber optics and optical communications 060.2430 Fibers, single-mode 060.4370 Nonlinear optics, fibers 140.3510 Lasers, fiber
Abstract
A stable, passively Q-switched thulium fluoride fiber laser (TFFL) using a multi-walled carbon nanotube (MWCNT)-based saturable absorber (SA) for operation in the S-band region is proposed and demonstrated. The proposed TFFL has a central lasing wavelength of 1486.4 nm and an input power range of 87.1–126.6 mW. The output pulses have a repetition rate and pulse width range of 30.1–40.0 kHz and 9.0–3.2 μs, respectively, with a maximum pulse energy of 28.9 nJ. This is the first time, to the author’s knowledge, of the successful demonstration of a passively Q-switched S-band TFFL using an MWCNT-based SA.
H. Ahmad, S. A. Reduan. Passively Q-switched S-band thulium fluoride fiberlaser with multi-walled carbon nanotube[J]. Chinese Optics Letters, 2018, 16(1): 010609.
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