Yves Gentet

Yves Gentet (1965–present), is a French engineer, known for inventing a process to create multicolored holograms.

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• References

As an engineer specializing in lasers, Yves Gentet first worked on holographic targeting systems of the French fighter plane Dassault Rafale. In 1995, he developed a method called Ultimate, which allows the creation of muticolored holograms. It consists of three lasers (red, blue and green) instead of the usual technique of using only a red laser. This novel technique relies on an emulsion of silver particles in a gelatin, which is able to store many more interference fringes than the previous methods due to the silver particles' diameter (a few nanometers).