Multi-band-pass filter

Details Multi-band-pass filter Multi-band-pass filter

G - Physics

02

B

G02B 6/34 (2006.01)

Patent

CA 2293259

A multiple band pass optical filter comprises an interferometer, such as a Michelson interferometer, with de-tuned reflective Bragg gratings 8, 9 that produce multiple, separate, substantially equal reflectivity pass bands for light passing from the interferometer's input port P1 to output port P2.

L'invention concerne un filtre optique à bandes passantes multiples comprenant un interféromètre, tel qu'un interféromètre de Michelson, des réseaux de Bragg (8, 9) réfléchissants désaccordés produisant des bandes passantes multiples et séparées à réflexivité sensiblement égale destinées au passage de lumière de l'orifice d'entrée P1 à l'orifice de sortie P2 de l'interféromètre.

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