石英中9.3 Gc弹性波在4.2°K时衰减非常小

Physics Letters Pub Date : 1966-12-12 DOI:10.1016/0031-9163(66)90205-8

M.G. Blair , E.H. Jacobsen

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引用次数: 9

摘要

石英中压缩弹性波在9.3 Gc/s和4.2°K下的衰减测量结果显示出10-3 db/cm的低值。我们的数据随样品长度增加的趋势表明，大部分观测到的损耗是由不完美的端面造成的，并且在x波段频率下，实际的体积衰减可能小于10-4 db/cm。

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Very low attenuation of 9.3 Gc elastic waves in quartz at 4.2°K

Attenuation measurements on compressional elastic waves in quartz at 9.3 Gc/s and at 4.2°K reveal unexpectedly low values of the order of 10^-3 db/cm. The trend of our data for increasing lengths of sample suggest that most of the observed loss results from imperfect end faces, and that the true bulk attenuation may be less than 10^-4 db/cm at x-band frequencies.

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Physics Letters

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