Journal
OPTICS AND LASER TECHNOLOGY
Volume 81, Issue -, Pages 1-6Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2016.01.013
Keywords
Diode-pumped; Low-gain laser emission; Passive Q-switching; Graphene oxide
Categories
Funding
- National Natural Science Foundation of China [61275050, 61475129, 61575164]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120121110034, 20130121120043]
- Fundamental Research Funds for the Central Universities [2013121022]
- Natural Science Foundation of Fujian Province of China [2014101251]
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We report on the diode-pumped continuous-wave (CW) and passively Q-switched laser operation of a c-cut Nd:YAlO3 (YAP) laser crystal, CW laser operation is demonstrated for the first time with 0.61 W output power on a low-gain emission line at 1364 nm by using a 0.08-mm glass etalon. Dual-wavelength laser operation is also achieved at 1328 and 1340 nm as well as at 1340 and 1364 nm with maximum output powers of 0.87 and 0.83 W, respectively. Using graphene oxide as saturable absorber, stable Q-switching is obtained at 1339 nm with a maximum average output power of 0.43 W, a pulse width of 380 ns and a repetition rate of 76.9 kHz, thus laser pulses with 14.7 W peak power and 5.614 pulse energy. This work presents the first graphene oxide based Q-switched Nd:YAP laser and shows the effectiveness of graphene oxide as saturable absorber for the generation of 1.3 mu m laser pulses. (C) 2016 Elsevier Ltd. All rights reserved.
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