Abstract
We report on a new three-dimensional multipass longitudinally diode-pumped amplification scheme that allows 8 passes in the gain medium in four different planes of incidence. The amplifier provides both high gain (up to 30 dB) and efficient energy extraction (4.5 W of output power) from Nd: YAG and Nd: YVO4 crystals.
© 2002 Optical Society of America
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