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High quality three-...
High quality three-dimensional aluminum microwave cavities
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- Kudra, Marina, 1992 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Biznárová, Janka, 1995 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fadavi Roudsari, Anita, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Burnett, J. J. (author)
- National Physical Laboratory (NPL)
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- Niepce, David, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Gasparinetti, Simone, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wickman, Björn, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Delsing, Per, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- AIP Publishing, 2020
- 2020
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 117:7
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Abstract
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- We present a comprehensive study of internal quality factors in superconducting stub-geometry three-dimensional cavities made of aluminum. We use wet etching, annealing, and electrochemical polishing to improve the as machined quality factor. We find that the dominant loss channel is split between the two-level system loss and an unknown source with a 40:60 proportion. A total of 17 cavities of different purity, resonance frequency, and size were studied. Our treatment results in reproducible cavities, with 10 of them showing internal quality factors above 80 x 10(6) at a power corresponding to an average of a single photon in the cavity. The best cavity has an internal quality factor of 115 x 10(6) at a single photon level. (C) 2020 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http:// creativecommons.org/licenses/by/4.0/).
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
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Kudra, Marina, 1 ...
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Biznárová, Janka ...
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Fadavi Roudsari, ...
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Burnett, J. J.
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Niepce, David, 1 ...
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Gasparinetti, Si ...
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show more...
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Wickman, Björn, ...
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Delsing, Per, 19 ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Accelerator Phys ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Telecommunicatio ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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Applied Physics ...
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Chalmers University of Technology