Compact microwave resonant cavity for use in atomic frequency standards
First Claim
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1. A resonant cavity comprising a block of electrically conductive material having:
- a primary cavity extending through the block along a primary axis;
first and second secondary cavities located on opposite sides of the primary cavity, each extending through the material along secondary axes which are substantially parallel to the primary axis;
first and second access channels interconnecting the first and second secondary cavities with the primary cavity, respectively, each of the channels extending through the material along tertiary axes which are substantially parallel to the primary axis; and
top and bottom cover means in contact mainly at their peripheries with the top and bottom of the block, respectively, for covering the cavities and for providing extended top and bottom access channels between cavities,wherein said top and bottom cover means have an aperture for an optical axis.
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Abstract
A compact resonant cavity with a substantially uniform magnetic field in the cavity is formed by lumped resonantly loading a rectangular primary cavity. The lumped capacitive load is produced by forming secondary cavities on opposite sides of the rectangular primary cavity. The component resonant cavity is designed for applications in atomic frequency standards.
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Citations
10 Claims
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1. A resonant cavity comprising a block of electrically conductive material having:
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a primary cavity extending through the block along a primary axis; first and second secondary cavities located on opposite sides of the primary cavity, each extending through the material along secondary axes which are substantially parallel to the primary axis; first and second access channels interconnecting the first and second secondary cavities with the primary cavity, respectively, each of the channels extending through the material along tertiary axes which are substantially parallel to the primary axis; and top and bottom cover means in contact mainly at their peripheries with the top and bottom of the block, respectively, for covering the cavities and for providing extended top and bottom access channels between cavities, wherein said top and bottom cover means have an aperture for an optical axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification