Sub-Doppler Frequency Measurements of15NH3Laser Transitions
โ Scribed by Hitoshi Odashima; Maki Tachikawa; Lyndon R. Zink; Kenneth M. Evenson
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 67 KB
- Volume
- 188
- Category
- Article
- ISSN
- 0022-2852
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๐ SIMILAR VOLUMES
We report the first sub-Doppler frequency measurements on carbonyl sulfide (OCS) between 56 and \(62 \mathrm{THz}\) ( 1886 and \(2064 \mathrm{~cm}^{-1}\) ). The experiment utilizes heterodyne techniques to measure the frequency of a CO laser, which is locked to saturation dips of OCS transitions at
special efforts were taken to ensure that frequency shifts, which can appear The six lowest rotational transitions of CO have been measured to an from optical misalignment or other sources such as baseline problems, accuracy of {500 Hz. Highly accurate rotational transition frequencies of were insid
We have used an optical polarization heterodyne technique to measure the frequencies of two OCS lines, one near \(5.3 \mu \mathrm{m}\) and the other near \(5.9 \mu \mathrm{m}\). These sub-Doppler measurements gave \(56533766.125 \pm 0.035 \mathrm{MHz}\) for the \(2 \nu_{2}+\nu_{3} P(16)\) transition