High-power diode-end-pumped CW Nd:GdVO4 laser |
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| Authors: | J Kong D Y Tang S P Ng L M Zhao L J Qin X L Meng |
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| Institution: | a School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore;b National Laboratory of Crystal Materials, Shangdong University, Jinan 250100, China |
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| Abstract: | We report on a high-power diode-end-pumped CW Nd:GdVO4 laser. Under the pump power of 39.5 W, a maximum output power of 19.8 W and a slope efficiency of 58.5% were obtained. The beam quality M2 at maximum output power was measured to be around 2.62. The thermal focal length in Nd:GdVO4 crystal under the pump power from 22 to 40.6 W was measured. The pump-induced damage threshold was estimated to be 28.6 kW/cm2. |
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| Keywords: | Nd:GdVO4 laser Diode-end-pumped Thermal lens effect |
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