Abstract
It is shown that free carriers in a solid may be treated as a moving dispersive medium which causes a Fresnel drag effect. We have succeeded in detecting the resulting small change in refractive index, using an InAs specimen placed inside a ring laser operating at 3⋅39 μm. Excellent agreement is obtained between experiment and theory. This is believed to be the first observation of a relativistic effect produced by carriers moving in a solid.
Footnotes
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- Received May 16, 1968.
- Scanned images copyright © 2017, Royal Society
17 December 1968
Volume 308, issue 1492
Volume 308, issue 1492
Measurement of Fresnel drag produced by electron motion in semiconductors
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