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Faraday holding a piece of glass of the type he used to demonstrate the effect of magnetism on polarization of light, c. 1857.
Faraday holding a piece of glass of the type he used to demonstrate the effect of magnetism on polarization of light, c. 1857.
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Circular polarization on rubber thread, converted to linear polarization
Circular polarization on rubber thread, converted to linear polarization
Color pattern of a plastic box showing stress-induced birefringence when placed in between two crossed polarizers.
Color pattern of a plastic box showing stress-induced birefringence when placed in between two crossed polarizers.
Stress in plastic glasses
Stress in plastic glasses
Photomicrograph of a volcanic sand grain; upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box at left-center is
Photomicrograph of a volcanic sand grain; upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box at left-center is 0.25 millimeter.