Optical differentiation device

Details Optical differentiation device Optical differentiation device

H - Electricity

04

B

H04B 10/02 (2006.01) G02F 1/225 (2006.01) H04B 10/17 (2006.01) H04L 7/02 (2006.01) G02F 1/21 (2006.01)

Patent

CA 2345371

The invention concerns an optical device (1) for differentiating a first optical signal and an optical signal delayed relatively to the first, wherein the differentiation is represented by a signal carried by a continuous wave passing through the two arms (5, 6) of an inteferometer comprising media whereof the index is a function of the optical power traversing said media. The delayed signal is looped-back on one of the arms through a delay (7).

Dispositif (1) optique de différentiation d'un premier signal optique et d'un signal optique retardé par rapport au premier, dans lequel la différentiation est représentée par un signal porté par une onde continue traversant les deux bras (5, 6) d'un interféromètre comportant des milieux dont l'indice est fonction de la puissance optique traversant ces milieux. Le signal retardé est le premier signal bouclé en retour sur l'un des bras au travers d'un retard (7).

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