Power limitations of the cw He-Hg laser

J. A. Piper*, C. E. Webb

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

The variation of output power with discharge current in the hollow-cathode cw He-Hg laser has been investigated. In strong contrast to the comparable data for the positive-column discharge, the 6150 Å transition shows no turnover in output power with increasing current. Laser powers approaching 100 mW (cw) have been achieved at 6150 Å using a 3mm-bore, 50cm-long tube. Investigation of the excitation mechanisms for the 6150 and 7945 Å transitions confirms both are excited by thermal energy charge transfer reactions.

Original languageEnglish
Pages (from-to)122-125
Number of pages4
JournalOptics Communications
Volume13
Issue number2
DOIs
Publication statusPublished - 1975
Externally publishedYes

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