Quotes by: Gabriel Lippmann

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Gabriel Lippmann
Born Jonas Ferdinand Gabriel Lippmann
(1845-08-16)16 August 1845
Bonnevoie/Bouneweg, Luxembourg (since 1921 part of Luxembourg City)
Died 13 July 1921(1921-07-13) (aged 75)
SS France, Atlantic Ocean
Nationality France
Fields Physics
Institutions Sorbonne
Alma mater École Normale Supérieure
Doctoral advisor Gustav Kirchhoff
Other academic advisors Hermann von Helmholtz[1]
Known for Lippmann colour photography
Integral 3-D photography
Lippmann electrometer
Notable awards Nobel Prize for Physics (1908)

The plate at each point only sends back to the eye the simple colour imprinted. The other colours are destroyed by interference. The eye thus perceives at each point the constituent colour of the image.
Gabriel Lippmann
This result is due to a phenomenon of interference which occurs within the sensitive layer.
Gabriel Lippmann
In the case of composite colour, an infinity of systems must be obtained for maxima infinitely slight and with an infinity of interval values separating them - that is to say, the whole thickness of the sensitive layer is occupied in continuous manner by these maxima.
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.
Gabriel Lippmann
When the shot is afterwards subjected to white light, colour appears because of selective reflection.
Gabriel Lippmann
The problem of direct colour photography has been facing us since the turn of the last century.
Gabriel Lippmann
The series of photographic operations, developing, washing, final drying, takes about quarter of an hour.
Gabriel Lippmann
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
Most of these pictures, taken while travelling, were developed on the mantelpiece of a hotel room, which proves that the method is easy enough to carry out.
Gabriel Lippmann
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