Fiber optic isolator for use with multiple-wavelength...

Details Fiber optic isolator for use with multiple-wavelength... Fiber optic isolator for use with multiple-wavelength...

G - Physics

02

F

G02F 1/09 (2006.01) G01M 11/00 (2006.01) G02B 6/26 (2006.01) G02F 1/095 (2006.01) H04B 10/08 (2006.01)

Patent

CA 2400192

A fiber optic isolator device is used by fiber optic systems operating at more than one wavelength. The device may be inserted anywhere within the fiber network. The fiber optic device permits the separation of the wavelengths so that an optical isolator module can isolate a first wavelength without significantly affecting the second wavelength. This device is useful isolating a communications signal at 1.55 µm while avoiding significant losses for an optical time domain reflectometry signal, for example at 1.3 µm.

Isolateur pour fibres optiques utilisé avec des signaux optiques à longueurs d'ondes multiples. Le dispositif peut être inséré partout dans un réseau de fibres. Le dispositif à fibres optiques permet de séparer les longueurs d'ondes de manière à ce qu'un module d'isolateur optique puisse isoler une première longueur d'ondes sans réellement affecter la deuxième longueur d'ondes. Ce dispositif peut servir à isoler un signal de communications optiques à 1,55 µm tout en évitant les pertes importantes dans un signal de rétrodiffision, par exemple à 1,3 µm.

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