SUB-MILLIMETER WAVE GENERATION AND SPECTROSCOPY.
Final scientific rept. 1 Sep 65-31 Jun 68,
UNIVERSITY COLL OF NORTH WALES BANGOR DEPT OF CHEMISTRY
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Two arc-type harmonic generators Froome generators have been made for the multiplication of microwave frequencies 30-40 Gc into the sub-millimeter range. They have been tested to withstand pressures of over 1000 atmospheres and facilities have been established for filling them with argon, or argon-hydrogen mixtures, to such pressures. Elaborate electronic devices have been established and tested for driving these generators with 20 watts of microwave radiation at 30-40 Gc, obtained from a M-type carcinotron. The first operation of the arc-generators was achieved in an exploratory manner. High performance millimeter wave microwave spectrometers were set up, equipped both with conventional harmonic generators and with the facility to use also the Froome generators as sources. The efficiency of conventional devices was maximized in order to permit a critical comparison of Froome generators with point-contact multipliers as sources for high-resolution spectroscopy. Author
- Electrical and Electronic Equipment
- Atomic and Molecular Physics and Spectroscopy