Wavelength dependent isolator

G - Physics – 02 – F

Patent

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Details

G02F 1/09 (2006.01) G02B 6/26 (2006.01) G02B 6/28 (2006.01) G02B 6/34 (2006.01) G02B 27/28 (2006.01) H04B 10/17 (2006.01)

Patent

CA 2390516

A wavelength dependent optical device comprising: at least two optical Ports (21, 22); a first series of polarisation modifying optical components (23, 25, 27, 28) placed between the two Ports and a first dielectric mirror (29); the first dielectric mirror (29) operating substantially in reflectance mode at a first predetermined wavelength range and substantially in transmission mode at a second predetermined wavelength range; at least one second polarisation modifying optical component (30) placed between the first dielectric mirror (29) and a second mirror (31); the second mirror (31) operating substantially in reflectance mode at the second predetermined wavelength range; wherein light emitted from the first Port (21) at the first predetermined wavelength range is transmitted to the second Port (22), and light emitted from the first Port (21) at the second predetermined wavelength range is transmitted away from the second Port (22).

L'invention concerne un dispositif optique dépendant de la longueur d'onde, qui comprend au moins deux ports optiques (21, 22); une première série de composants optiques modifiant la polarisation (23, 25, 27, 28) placés entre les deux ports optiques et un premier miroir diélectrique (29), ledit premier miroir diélectrique (29) fonctionnant sensiblement en mode réflectance mode dans une première plage de longueurs d'onde prédéterminées, et sensiblement en mode transmissif dans une seconde plage de longueurs d'onde prédéterminées; au moins un second composant optique (30) modifiant la polarisation placé entre le premier miroir diélectrique (29) et un second miroir (31), ledit second miroir (31) fonctionnant sensiblement en mode réflectance dans la seconde plage de longueurs d'onde prédéterminées, la lumière émise à partir du premier port (21) dans la première plage de longueurs d'onde prédéterminées étant transmise au second port (22), et la lumière émise à partir du premier port (21) dans la seconde plage de longueurs d'onde prédéterminées étant transmise à distance du second port (22).

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