Pulsed HF chemical laser linewidth measurements using time-resolved bleachable absorption of HF gas
- 15 June 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 24 (12) , 615-617
- https://doi.org/10.1063/1.1655076
Abstract
The spectral linewidth at 2.7 μ of a transverse discharge pulsed HF chemical laser has been measured using the saturable absorption of low‐pressure HF gas in an external cell. Using the ν = 0 to ν = 1 P(J) transitions, the laser linewidth was found to be 10−4 cm−1—120 times narrower than the Doppler spectral width. Heterodyne beating between two HF lasers was observed and the pulse‐to‐pulse frequency shift noted.Keywords
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