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7 kHz sub-nanosecond microchip laser amplified by a grazing incidence double pass slab amplifier [Early Posting]

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摘要

To obtain short pulse width and high peak power laser, 7 kHz sub-nanosecond microchip laser amplified by a grazing incidence double pass slab amplifier is experimentally demonstrated in this letter. We use a compact side-pumped Nd:YVO4 bounce amplifier with grazing incidence beam for achieving high gains and power extraction. Laser output power of 7.37 W at 7 kHz, 1.2 MW pulse peak power with 877 ps duration and 1.05 mJ energy, 25 pm spectral width, and near diffraction limited mode beam quality are achieved, the optical-to-optical efficiency is 18%. The laser is packaged in a volume of 356×226×84 mm3, may be used for applications such as laser altimeters and ladar systems.

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作者单位:

    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy
    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy
    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy
    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy
    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy
    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy
    Peoples Liberation Army Engineering University Wuhan Ordnance Non Commissioned Officer Academy

引用该论文

Liu Xu,TAN CHAOYONG,Cheng Yong,Wei Jingsong,Mengzhen Zhu,CHEN XIA,MI CHAOWEI. 7 kHz sub-nanosecond microchip laser amplified by a grazing incidence double pass slab amplifier[J].Chinese Optics Letters,2021,19(2):02.