Expanding beam concept for building very large excimer laser amplifiers

J. H. Jacob*, M. Rokni, R. E. Klinkowstein, S. Singer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)318-320
Number of pages3
JournalApplied Physics Letters
Volume48
Issue number5
DOIs
StatePublished - 1986
Externally publishedYes

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