G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/13 (2006.01) G02B 6/27 (2006.01)
Patent
CA 2239922
An optical waveplate includes a polyimide with a film thickness of 20 µm or less. A waveguide device using the waveplate has an optical waveguide with a groove formed at an angle close to a right angle and the waveplate inserted in the groove.
L'invention est une lame optique d'une épaisseur de 20 µm ou moins qui contient un polyimide. Un guide de lumière utilisant cette lame porte un sillon formé à un angle voisin d'un angle droit et la lame est insérée dans ce sillon.
Ando Shinji
Inoue Yasuyuki
Sawada Takashi
Macrae & Co.
Nippon Telegraph And Telephone Corporation
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