Wave transmission lines and networks – Resonators – Cavity resonator
Patent
1988-10-07
1991-04-30
Lee, Benny
Wave transmission lines and networks
Resonators
Cavity resonator
333230, 333995, H01P 706
Patent
active
050122126
ABSTRACT:
An open resonator comprises two concave spherical reflectors or one spherical and one plane reflectors positioned so as to form a resonant structure and each being provided at an electromagnetic coupling region thereof with a large number of conductor stripes disposed in parallel at a spacing sufficiently small in comparison with the wavelength of an incident electromagnetic wave. The diameter of the circular coupling region can be made very large in comparison with the wavelength. An ultra-high Q value can be obtained with the open resonator with very high excitation efficiency to a resonator mode. The Q value of the open resonator can be varied with the angle between the directions of the conductor stripes of the two reflecting mirrors.
REFERENCES:
patent: 3676808 (1972-07-01), Vinogradov
patent: 4109233 (1978-08-01), Erickson
Amity, I; "A Fabrg-Perot Cavity for mm and Sub-mm ESR Spectrometers"; The Review of Scientific Instruments; vol. 41, No. 10; Oct. 1970; pp. 1482-1494.
Culshaw, W; "High Resolution mm-Wave Fabrg-Perot Interferometer"; IRE Transaction on Microwave Theory and Technique; Mar. 1960; pp. 182-189.
Araki Kenichi
Matsui Toshiaki
Communications Research Laboratory Ministry of Posts and
Lee Benny
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