Generation and Detection of Coherent Elastic Waves at 114,000 Mc/sec

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Science  02 Sep 1966:
Vol. 153, Issue 3740, pp. 1113-1114
DOI: 10.1126/science.153.3740.1113


Coherent elastic waves were generated and detected at 114,000 megacycles per second in quartz at liquid-helium temperatures. Effective input power was approximately 3 milliwatts. The results suggest that the piezoelectric method may be applicable to similar experiments at much higher frequencies.