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A microwave spectroscope using a crystal harmonic generator as the transmitter D'Altroy, Frederick Arthur

Abstract

A microwave spectroscope was designed and built which used the crystal generated harmonics of the fundamental of a 723 A/B klystron as the source of power. Sufficient output was obtained for absorption measurements using both the second and third harmonics. The instrument was tested on NH₃ and a photograph of an inversion line at 25700 megacycles was made using the third harmonic.

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