Optical waveguides – Having particular optical characteristic modifying chemical... – Of waveguide core
Patent
1995-04-19
1996-11-05
Ngo, John
Optical waveguides
Having particular optical characteristic modifying chemical...
Of waveguide core
385131, 385132, 385145, G02B 600
Patent
active
055726194
ABSTRACT:
A polyimide optical waveguide comprising a core made of polyimide whose refractive index is controlled to a predetermined value by electron beam irradiation, and a cladding set in contact with the core and having a refractive index lower than that of the core.
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T. Matsuura et al, Macromolecules, vol. 27, No. 22, pp. 6665-6670. Polyimides Derived From 2,2'-Bis (Trifluoromethyl)-4,4'-Diaminobiphenyl. 4. Optical Properties of Fluorinated Polyimides for Optoelectronic Components, 1994.
Ando Shinji
Maruo Yasuko
Matsui Shinsuke
Matsuura Tohru
Sasaki Shigekuni
Ngo John
Nippon Telegraph and Telephone Corporation
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