A Recording Microwave Spectrograph

The principle of operation and the fundamentals of realization of a recording microwave spectrograph designed for use in the study of the absorption and the index of refraction of gases under medium pressures (1 mm Hg to 1 atm) are presented. The apparatus results from a similar spectrograph with sy...

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Bibliographic Details
Published in:I.R.E. transactions on microwave theory and techniques 1961-03, Vol.9 (2), p.144-152
Main Authors: Ilias, D., Boudouris, G.
Format: Article
Language:English
Subjects:
Cavity resonators
Electromagnetic wave absorption
Frequency modulation
Gases
Instruments
Klystrons
Mercury (metals)
Resonance
Senior members
Spectroscopy
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Summary:The principle of operation and the fundamentals of realization of a recording microwave spectrograph designed for use in the study of the absorption and the index of refraction of gases under medium pressures (1 mm Hg to 1 atm) are presented. The apparatus results from a similar spectrograph with synchroscope, in which the responses of the cavity resonators are interpreted by means of a pulse method. The high performances of the apparatus render its use advantageous, not only as a spectrograph, but also as an accurate recording refractometer, as well as a direct-reading Q-meter.
ISSN:0097-2002
0018-9480
2331-088X
DOI:10.1109/TMTT.1961.1125289