NASA NTRS · 19940033838
Multipass diode-pumped solid-state optical amplifier
Abstract
A new diode-pumped solid-state multipass amplifier produced 38-dB small-signal gain at 1.047 micron in Nd:YLF with 1.6-W pump power and 37 percent extraction efficiency near saturation. The amplifier had a 1:1 confocally reimaging multipass design that generated both high gain and high efficiency. The same amplifier design with 13 W of pump power was tested with Nd:YAG at 1.064 micron, which gave 38-dB small-signal gain and 3.2 W of output power, and with Nd:YVO4, also at 1.064 micron, which gave greater than 50-dB small-signal gain and 4.3 W of output power.
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Plaessmann, Henry, Re, Sean A., Alonis, Joseph J., Vecht, David L., Grossman, William M.. 1993-09-01. Multipass diode-pumped solid-state optical amplifier. https://ntrs.nasa.gov/citations/19940033838
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