G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/124 (2006.01) G02B 6/13 (2006.01) G02F 1/01 (2006.01) H04J 14/02 (2006.01) G02B 6/12 (2006.01)
Patent
CA 2249670
A glass wave guide element is provided which is small in size, easily integrated and mass produced. There is further provided a method of manufacturing a glass wave guide element. The glass wave guide element of the present invention comprises a core having a diffraction grating formed on an under cladding, an over cladding covering the core and a heater for changing the Bragg wavelength of the diffraction grating. The heater is arranged on the over cladding, wherein the core and a central portion of both claddings in a surrounding portion of the core are formed in a state continuously separated along a longitudinal direction of the core from the substrate, through a gap. The core and the surrounding portion of the core are formed in a spatially intermittently state separated in a width direction of the core from a surrounding portion of the both claddings, through a gap.
Élément de guide d'onde en verre de petite taille, facile à intégrer et à produire en série; et méthode de fabrication d'élément de guide d'onde en verre. Cet élément est constitué d'un coeur comportant un réseau de diffraction, formé sur une gaine inférieure, une gaine supérieure couvrant le coeur, tandis qu'un élément chauffant permet de changer la longueur d'onde de Bragg du réseau de diffraction. L'élément chauffant est installé sur la gaine supérieure. Le coeur et la section centrale des deux gaines, au niveau d'une section entourant le coeur, sont formés de façon continue dans le sens longitudinal du coeur, à partir du substrat, tout en étant séparés par un écartement. Le coeur et la section entourant le coeur sont constitués de manière spatialement discontinue, séparés par un écartement dans le sens de la largeur du coeur, à partir d'une section entourant les deux gaines.
Arai Hideaki
Kobayashi Dai
Suzuki Ryoji
Tamura Korenori
Uetsuka Hisato
Hitachi Cable Ltd.
Kirby Eades Gale Baker
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