Smith, E. ; De Alba, R. ; Zhelev, N. ; Bennett, R. ; Adiga, V.P. ; Solanki, H.S. ; Singh, V. ; Deshmukh, M.M. ; Parpia, J.M. (2012) Compact, inexpensive coaxial terminations and wiring for low temperature RF applications Cryogenics, 52 (10). pp. 461-464. ISSN 0011-2275
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Official URL: http://doi.org/10.1016/j.cryogenics.2012.05.001
Related URL: http://dx.doi.org/10.1016/j.cryogenics.2012.05.001
Abstract
We have examined a promising family of radio frequency coaxial connectors (the SSMCX range) suitable for use at low temperatures. We describe the measured characteristics of these connectors in typical arrangements using lossy Cooner stainless steel inner and outer (braided) coaxial cable and other specialty low temperature coaxial cables including Beryllium Copper (BeCu) outer and inner conductors, Copper Nickel (CuNi) outer and Niobium–Titanium (NbTi) superconducting inner conductors, and Nb outer/NbTi inner conductor (homemade) cables. Of these, the BeCu coaxial cable proves to rank among the smallest losses consistently from 300 K down to 4 K. We also characterize Copper, BeCu, and CuNi clad NbTi braided twisted pair “looms”, demonstrating that CuNi–NbTi is the most practical choice due to minimal heat leak.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Low Temperature; RF Cables and Connectors; Electrical and Thermal properties of Metals. |
| ID Code: | 117646 |
| Deposited On: | 29 Apr 2021 05:17 |
| Last Modified: | 29 Apr 2021 05:17 |
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