Lockerbie, N.A. and Chapelier, C. and Blanchard, J.J. (1991) Alignment system for 9-10 GHz longitudinal sound waves in a quartz etalon at 1.5 K. Review of Scientific Instruments, 62 (3). pp. 814-817. ISSN 0034-6748
Full text not available in this repository. (Request a copy from the Strathclyde author)Official URL: http://dx.doi.org/10.1063/1.1142037
Abstract
We report the results of a system that employs four small superconducting repulsion coils and their respective niobium force-plates to restore the parallelism of a quartz-rod acoustic etalon, used for the measurement of acoustic transmission across quarter‐wave matching layers into liquid 4He. In the 9-10 GHz frequency range we find up to an eightfold improvement in the number of usable echoes for some quartz-rod samples.
| Item type: | Article |
|---|---|
| ID code: | 17738 |
| Keywords: | helium 4, quartz, sound waves, acoustic microscopy, wave propagation, solid−fluid interfaces, acoustic measurements, ghz range, Physics |
| Subjects: | Science > Physics |
| Department: | Faculty of Science > Physics |
| Related URLs: | |
| Depositing user: | Strathprints Administrator |
| Date Deposited: | 11 May 2010 19:52 |
| Last modified: | 12 Mar 2012 11:08 |
| URI: | http://strathprints.strath.ac.uk/id/eprint/17738 |
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