The effect of artificial temperature anisotropy of crystals in X‐ray frequency range was observed for the first time and an effort to theoretically interpret this effect in Bragg‐Laue diffraction case was made. It was established that an isotropic crystal optically turns into an artificially anisotropic one with optical axis along the direction of applied external influence as a symmetry axis, giving rise to the double refraction.

Topics
Birefringence, X-ray diffraction, Geometrical optics
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© 2010 American Institute of Physics.
2010
American Institute of Physics
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