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Note: A cryogenic, ultra-high-vacuum, microwave filter which passes a narrow beam
N Evetts1, P Dosanjh1, V Zvyagintsev2
1Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.
The Review of Scientific Instruments
|January 3, 2016
Summary
A novel device effectively filters microwave radiation, preventing cryogenic experiment heating while maintaining large apertures for propagating beams. A new thin-film evaporation method is also presented.
Area of Science:
- Cryogenics
- Microwave Engineering
- Materials Science
Background:
- Cryogenic experiments are susceptible to heating from microwave radiation.
- Maintaining large apertures is crucial for undisturbed beam propagation in experimental setups.
Purpose of the Study:
- To develop a device that filters microwave radiation without compromising beam propagation.
- To introduce an effective method for thin-film deposition within narrow tubes.
Main Methods:
- Design and implementation of a microwave radiation filtering device.
- Development of a thin-film evaporation technique for inner tube surfaces.
Main Results:
- The device successfully filters microwave radiation, mitigating unwanted heating of cryogenic experiments.
- The filtering mechanism allows for large apertures, ensuring minimal disturbance to propagating beams.
- The thin-film evaporation method proved effective for coating the interior of narrow tubes.
Conclusions:
- The developed device offers a solution for thermal management in cryogenic experiments exposed to microwave radiation.
- The thin-film deposition technique is a valuable addition to materials science methodologies for micro-scale applications.
