Suppression of amplified spontaneous emission from a four-pass dye laser amplifier.
作者信息
Hahn J W, Yoo Y S
出版信息
Appl Opt. 1998 Jul 20;37(21):4867-70. doi: 10.1364/ao.37.004867.
PMID:18285949
Abstract
We demonstrate a new design for a four-pass dye laser amplifier that can be used to reduce amplified spontaneous emission (ASE) in the amplifier output beam. Compared with the results obtained from normal operation of the four-pass dye laser amplifier without a frequency-selective device, by using a diffraction grating in the amplifier we can reduce the ASE ratio by a factor in excess of 10 and increase output energy by ~4%. The obtained ASE ratio of the four-pass amplifier system is <1.5%.
摘要
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