Side-face illuminating optical fiber
AssigneeMatsushita Electric Works, Ltd.
InventorsHiroshi Yokogawa, Masaru Yokoyama, Kenji Tsubaki, Kenji Sonoda, Keishi Kousaka, Mikio Sei, Nobuaki Yabunouchi
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Abstract
A side-face illuminating optical fiber comprising a core 1 transmitting therethrough light entering from an incident end of the optical fiber, a cladding 2 made of silica aerogel which covers an outer peripheral surface of the core, a transparent coating layer 3 which covers an outer periphery of the cladding, and an illuminating portion formed at least in a part of an interface between the core and the cladding. The light transmitting though said core radiates through the illuminating portion to the cladding.
Claims20
A side-face illuminating optical fiber comprising:
- a core transmitting therethrough light entering from an incident end of said optical fiber;
- a silica aerogel cladding which covers an outer peripheral surface of said core;
- a transparent coating layer which covers an outer periphery of said cladding;
- and
- an illuminating portion comprising at least a part of an interface between said core and said cladding, wherein said light transmitted through said core radiates through said illuminating portion to said cladding.
Dependencies are inferred from the claim text.