G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/18 (2006.01) G02B 6/34 (2006.01) H01S 5/10 (2006.01)
Patent
CA 2454489
In a volume phase grating, a plurality of phase gratings for causing a refractive index of a substrate having an incident surface and a launched surface facing each other to be cyclically changed between the incident surface and the launched surface are so formed as to be inclined at a specified angle to the incident surface. The volume phase grating is constructed such that an incident light is caused to be obliquely incident on the incident surface, and an angle of inclination of the phase gratings to the incident surface is set such that the incident light obliquely incident on the incident surface is refracted at the incident surface and perpendicularly incident on the phase gratings.
Dans un réseau de phase tridimensionnel, une pluralité de réseaux de phase causant un indice de réfraction d'un substrat ayant une surface incidente et une surface lancée face à face pour être changées de façon cyclique entre la surface incidente et la surface lancée ainsi formées pour être inclinées à un angle donné vers la surface incidente. Le réseau de phase tridimensionnel est construit de telle sorte qu'une lumière incidente est amenée à être oblique et incidente sur la surface incidente, et un angle d'inclinaison des réseaux de phase à la surface incidente est réglé de telle sorte que la lumière incidente oblique et incidente sur la surface incidente est réfractée vers la surface incidente et perpendiculairement incidente sur les réseaux de phase.
Kyocera Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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