Office National D'etudes Et De Recherches Aerospatiales (onera)

Aude Desormeaux

Emmanuel Rosencher

Michel Lefebvre

The oscillator comprises two resonant cavities in which a non-linear crystal () is situated. The incident pumping radiation Rfollows an emitting path across the crystal, the generated signal and complementary radiation carry out numerous emitted and return paths in the cavities, hence across the crystal and are thus converted into an inverse pumping radiation on the return paths thereof. According to the invention, a device () is incorporated in the oscillator for reflection of a fraction of the pumping radiation equivalent to the inverse pumping radiation in the absence of the device.

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Versailles, France

Aude Desormeaux