Gabriel Lippmann

Scientist

1845-08-16

Quotes by Gabriel Lippmann

• The length of exposure (one minute in sunlight) is still too long for the portrait. It was fifteen minutes when I first began my work. Progress may continue.

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• 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.

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