We demonstrated a nanosecond pulsed Cr:ZnSe laser with both wavelength tunability and burst pulse operation in the mid-infrared (IR) region. The burst pulse operation of the Cr:ZnSe laser was achieved using a pulse-on-demand Tm:YAG laser as a pump source. The number of pulse shots and the repetition rate in a packet were controlled. A tuning range of 2.32 to 2.56 mu m was also achieved using a birefringent filter. Our results show that the pulse-on-demand Tm:YAG laser is an attractive pump source for the burst-pulse-operated Cr:ZnSe laser, which paves the way for various mid-IR laser applications. (c) 2022 Society of PhotoOptical Instrumentation Engineers (SPIE)
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