Journal
OPTICS AND LASER TECHNOLOGY
Volume 44, Issue 4, Pages 960-962Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2011.11.001
Keywords
Diode-pump 2 mu m laser; Single-walled carbon nanotube saturable absorber; Tm3+ :YAP crystal
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Funding
- National Natural Science Foundation of China [61078032]
- Science and Technology on Solid-State Laser Laboratory of China [9140C0403011106]
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We report the first demonstration, to our knowledge, of passive Q-switched mode-locking in a Tm3+:YAP laser, operating in the 2 mu m broadly spectral region formed with a compact Z-flod cavity. A transmission-type single-walled carbon nanotube saturable absorber (SWCNT-SA) is used for the initiation of the pulse generation. The repetition rate of the Q-switched envelope was 60 kHz at the pump power of 8.6W. The mode-locked pulses inside the Q-switched pulse envelope had a repetition rate of similar to 92 MHz. A maximum average output power of 761 mW was obtained. The dependence of the operational parameters on the pump power was also investigated experimentally. (C) 2011 Elsevier Ltd. All rights reserved.
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