#interfere

If diffraction or interference phenomena were to be sought it was therefore necessary, in accordance with the basic principles of wave theory, to select for the test arrangement far smaller decisive dimensions than those employed in corresponding tests with visible light. ↗

— Max von Laue

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#arrangement #basic #basic principles #corresponding #decisive

During exposure, interference takes place between the incident rays and those reflected by the mirror, with the formation of interference fringes half a wavelength distant from each other. ↗

— Gabriel Lippmann

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#distant #during #each #exposure #formation