Expanding beam concept for building very large excimer laser amplifiers
作者:
J. H. Jacob,
M. Rokni,
R. E. Klinkowstein,
S. Singer,
期刊:
Applied Physics Letters
(AIP Available online 1986)
卷期:
Volume 48,
issue 5
页码: 318-320
ISSN:0003-6951
年代: 1986
DOI:10.1063/1.96538
出版商: AIP
数据来源: AIP
摘要:
Optical extraction efficiency from conventional lasers and amplifiers with nonsaturable intrinsic absorption is substantially below the maximum efficiency at absorption length products exceeding unity. This result is caused by the fact that high intensities in the amplifier cause saturation of gain but not absorption. In this letter, a new scalable amplifier concept is analyzed which maintains near maximum extraction efficiency as the laser length increases beyond absorption length products of unity.
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