| 1 | Q-switched fiber laser using carbon platinum saturable absorber on side-polished fiber显示文摘A 1550 nm Q-switched fiber laser using a carbon platinum saturable absorber deposited on side-polished fiber(SPF) is proposed and demonstrated. The SPF is approximately 2 mm with a polarization-dependent loss(PDL)of 0.4 dB and an insertion loss of 2.5 dB. A stable Q-switched output spectrum is obtained at 1559.34 nm with a peak power of ~6 mW, a pulse width of 1.02 μs, pulse energy of 5.8 nJ, average output power of 0.76 mW, and a repetition rate of 131.6 kHz taken at a pump power of 230.0 mW. A signal-to-noise ratio of 49.62 d B indicates that the Q-switched pulse is highly stable. | H.Ahmad H.Hassan R.Safaei K.Thambiratnam I.S.Amiri | 2017 | Chinese Optics Letters2017，15，9： | 1 |
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