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Highly efficient diode side-pumped Nd:YAG ceramic laser with 210 W output power |
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| Authors: | Sungman Lee Daewook Choi Cheol-Jung Kim Jun Zhou |
| Institution: | aLaboratory for Quantum Optics, Korea Atomic Energy Research Institute, PO Box 105 Yusong, Daejeon 305-600, Republic of Korea;bShanghai Institute of Optics and Fine mechanics, Chinese Academy of Sciences, PO Box 800-211, Shanghai 201800, China |
| Abstract: | We developed a highly efficient diode side-pumped Nd:YAG ceramic laser with a diffusive reflector as an optical pump cavity. A maximum output power of 211.6 W was obtained with an optical-to-optical conversion efficiency of 48.7%. This corresponds to the highest conversion efficiency in the side-pumped ceramic rod. Thermal effects of the Nd:YAG ceramic rod were analyzed in detail through the measurements of laser output powers and beam profiles near the critically unstable region. A M2 beam quality factor of 18.7 was obtained at the maximum laser output power. |
| Keywords: | Nd:YAG ceramic laser Side-pumped High optical-to-optical conversion efficiency |
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