Variation of optical characteristics of polarized laser radiation in dielectric upon its low-frequency rotation and heating
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The results of experiments in which coherent laser radiation with wavelength λ = 0.632991 µm experienced rotation of its plane of polarization, beam deviation, and change of intensity after propagating through an optical disk made of TF3 glass with refractive index n = 1.71250 and glued to a gyromotor, are discussed. The experiments were conducted at angle of incidence of the beam on a flat surface of the optical disk v = 60°. The rotational frequency of the disk was varied from 2 to 10 Hz for two directions of rotation. At low speed of rotation, the main factor causing mechanical deformations and, as a result, changes in optical characteristics of radiation propagated through the optical disk is heating of the metal—glass interface.
KeywordsOptical Disk Rotational Frequency Steel Disk Glass Disk Flint Glass
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