Fluctuations in the optical reflection originating from the 1/f and other conductivity noises and some new noise-measurement principles
- 14 July 1986
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 19 (7) , L137-L139
- https://doi.org/10.1088/0022-3727/19/7/003
Abstract
The fluctuations of mobility and/or concentration of free carriers yield a fluctuation of the complex refractive index of materials. This effect yields an amplitude and a phase fluctuation of the reflected electromagnetic waves and explains the 1/f noise of ring lasers. The proposed new noise-measurement principles may find applications even in the case of insulators.Keywords
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