Abstract
Abstract Direct small-signal gain measurements have been made for a 50% doped Er3+:YAG rods for the 2.936 μ m wavelength. We also provide gain measurements for 55% Er3+:YAG and co-doped 55% Er3+:YAG rods. Erbium doped solid-state lasers are typically used in a flash-pumped configuration, where the gain dynamics is highly dependent on the pump–pulse length. In this paper we have reported the small-signal gain over the pulse duration, along with average small-signal gain, so as to provide the laser-engineer with data to efficiently design the mid-IR laser system.
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