Continuous-wave and passively Q-switched Nd:YVO4 laser at 1085 nm

Hongyi Lin; Hong Liu; Xiaohua Huang; Jiyan Zhang

doi:10.1117/1.OE.56.11.116118

30 November 2017 Continuous-wave and passively Q-switched Nd:YVO₄ laser at 1085 nm

Hongyi Lin, Hong Liu, Xiaohua Huang, Jiyan Zhang

Author Affiliations +

Optical Engineering, Vol. 56, Issue 11, 116118 (November 2017). https://doi.org/10.1117/1.OE.56.11.116118

Abstract

An admirable and efficient Nd:YVO4 laser at 1085 nm is demonstrated with a compact 35 mm plano-plano cavity. A chosen narrow bandpass filter with high-transmittance (HT) coating at 1064 nm ( T=96%) and optimized part-reflection (PR) coating at 1085 nm ( T=15%) is used as the output coupler. In the continuous-wave (CW) regime, the maximum output power reaches 3110 mW at the pump power of 11.41 W. Based on a Cr:YAG crystal with initial-transmittance of 91%, the first passively Q-switched Nd:YVO4 laser at 1085 nm is achieved. When the pump power is changed from the threshold of 4.50 to 6.08 W, the dual-wavelength lines at 1064 and 1085 nm are generated simultaneously. However, at the pump power of above 6.08 W, the single-wavelength line at 1085 nm is achieved. The largest output power, the highest peak power, and the narrowest pulse width are 1615 mW, 878 W and 26.2 ns, respectively.

Citation Download Citation

Hongyi Lin, Hong Liu, Xiaohua Huang, and Jiyan Zhang "Continuous-wave and passively Q-switched Nd:YVO₄ laser at 1085 nm," Optical Engineering 56(11), 116118 (30 November 2017). https://doi.org/10.1117/1.OE.56.11.116118

Received: 7 September 2017; Accepted: 14 November 2017; Published: 30 November 2017

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