Abstract
We demonstrate a room temperature operation narrow pulse width Fe:ZnSe laser pumped by a gain-switched Ho,Pr:LLF laser emitting at 2.95 μm in this paper. The gain-switched Ho,Pr:LLF laser produced the 102 μJ maximum pulse energy and 33 ns minimum pulse width, corresponding to the peak power of about 3.1 kW. Using this gain-switched Ho,Pr:LLF laser as the pump source, the maximum energy of 6 μJ at around 4.47 µm and the pulse width of 5.5 ns was achieved in the room temperature Fe:ZnSe laser, corresponding to the peak power of 1.2 kW.
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