New Method for the Observation of Hyperfine Structure of NH3in a ``Maser'' Oscillator
作者:
Koichi Shimoda,
T. C. Wang,
期刊:
Review of Scientific Instruments
(AIP Available online 1955)
卷期:
Volume 26,
issue 12
页码: 1148-1149
ISSN:0034-6748
年代: 1955
DOI:10.1063/1.1715211
出版商: AIP
数据来源: AIP
摘要:
Weak hyperfine satellites have been observed with very large signal‐to‐noise ratios when microwave power at frequencies corresponding to these satellites is introduced into a ``maser'' which is oscillating at the frequency of the main inversion line of NH3. The satellite transitions are accompanied by a reduction of the amplitude of oscillation at the main‐line frequency. A composite oscilloscope trace showing the structure of the weakest of the four quadrupole satellites associated with the 3–3 inversion line of N14H3is presented.
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