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17 February 2010 Recent progresses in INNOSLAB lasers and their harmonic generation
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Abstract
Through an optimal combination of crystal shape, cooling and resonator design, InnoSlab lasers possess unified advantageous features of short pulse duration and high peak output power, high pulse repetition rate, high beam quality and high flexibility in beam profile, from circular beam profile, through line shaped one dimensional Top-hat, to two dimensional Top-hat with rectangular cross section. We report diode end pumped, electrooptically q-switched Nd:YLF, Nd:YAG and Nd:YVO4 slab laser and their efficient harmonic generation in near field. Using oscillator/amplifier with Nd:YAG slabs over 50mJ pulse energy at 6kHz was obtained. The pulse length is 7ns and the peak power is as high as 7MW. With Nd:YVO4 slabs 400W average power at 50kHz was obtained. The pulse length is as short as 8ns. Because of the high peak power over 300W second harmonic is achieved by two LBO crystals.
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Daijun Li, Shaojun Fu, Xiaomeng Liu, Peng Shi, Jun Chen, Alexander Shell, Bingsong Qi, Claus-Rüdiger Haas, Jingxiong Wang, and Keming Du "Recent progresses in INNOSLAB lasers and their harmonic generation", Proc. SPIE 7578, Solid State Lasers XIX: Technology and Devices, 75780N (17 February 2010); https://doi.org/10.1117/12.847309
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