G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/32 (2006.01) G02B 5/18 (2006.01) G02B 5/20 (2006.01) G02F 1/1335 (2006.01)
Patent
CA 2558035
A hologram color filter for diffracting and dispersing the incident light by a hologram and outputting a light of different wavelength to a desired position with a specified spatial period. The hologram color filter is characterized in that it comprises a translucent diamond-like carbon (DLC) film (22) formed on a translucent substrate (21) and a stripe region of relatively low refractive index (n1, 22a) and a stripe region of relatively high refractive index (n2, 22b) are arranged alternately on the DLC film.
Il est prévu un filtre couleur hologramme pour diffracter et disperser la lumière incidente par un hologramme et générer une lumière de longueur d~onde différente à un endroit désiré avec une période spatiale bien précise. Le filtre couleur hologramme se caractérise en ce qu~il comprend un film (22) de carbone de type diamant translucide (DLC) formé sur un substrat translucide (21) et une zone striée d~indice de réfraction relativement bas (n¿1?, 22a) et une zone striée d~indice de réfraction relativement haut (n¿2?, 22b) sont disposées en alternance sur le film DLC.
Matsuura Takashi
Oda Kazuhiko
Okubo Soichiro
Ushiro Toshihiko
Marks & Clerk
Sumitomo Electric Industries Ltd.
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