Optical waveguides – Optical fiber waveguide with cladding – With graded index core or cladding
Patent
1991-12-17
1997-06-10
Ullah, Akm E.
Optical waveguides
Optical fiber waveguide with cladding
With graded index core or cladding
G02B 602, G02B 618
Patent
active
056384793
ABSTRACT:
The optical parts according to the invention have a feature of having smoothly coated surfaces for incident and emergent lights covered thereover with a light transmitting solid coating layer, and can be manufactured by a simplified process at least without needing polishing, together with the advantages of being weatherproof in atmosphere of high temperature and high humidity and antiozonant.
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patent: 5418871 (1995-05-01), Revelli, Jr. et al.
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Akazawa Noboru
Katayama Shinya
Matsuda Atsunori
Matsuno Yoshihiro
Takami Manabu
Nippon Sheet Glass Co. Ltd.
Ullah Akm E.
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