ABSOLUTE FREQUENCY MEASUREMENT OF THE 118.6-μm WATER-VAPOR LASER TRANSITION
- 1 December 1967
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 11 (11), 344-345
- https://doi.org/10.1063/1.1755006
Abstract
The frequency of the 118.6‐μm water‐vapor laser transition has been measured as 2,527,952.8 MHz in a harmonic mixing experiment. Accuracy of several parts in 108 has been obtained by phase locking the klystron harmonic source to a tunable crystal oscillator and by centering the laser to the Lamb dip.Keywords
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