最終更新日:2022/12/24
In Fresnel’s rhomb, whatever be the colour of the light, the retardation of the phase is exactly 90°, or the corresponding retardation in space is exactly λ⁄₄ whatever the value of λ may be.
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In Fresnel’s rhomb, whatever be the colour of the light, the retardation of the phase is exactly 90°, or the corresponding retardation in space is exactly λ⁄₄ whatever the value of λ may be.