A compact, low-threshold, multipass optical parametric amplifier has been developed for the conversion of short-pulse (360-ps) 1064-nm Nd:YAG laser radiation into eye-safe 1572-nm radiation for laser ranging and radar applications. The amplifier had a threshold pump power of as low as 45 μJ, and at three to four times this threshold pump power the amplifier converted 30% of the input 1064-nm radiation into 1572-nm output radiation.
© 1996 Optical Society of America
Original Manuscript: March 27, 1996
Published: August 15, 1996
T. H. Jeys, "Multipass optical parametric amplifier," Opt. Lett. 21, 1229-1231 (1996)