Etching a substrate: processes – Forming or treating an article whose final configuration has...
Patent
1998-05-12
1999-06-01
Palmer, Phan T.H.
Etching a substrate: processes
Forming or treating an article whose final configuration has...
216 24, 216 49, 385128, 385 43, C03C 1500, C03C 2500
Patent
active
059085622
ABSTRACT:
An optical fiber made up of a core for propagating the light and a cladding covering the core for interrupting light propagated within the core. The optical fiber includes a tip formed by sharpening an end of the core in a tapering fashion, a light-shielding coating layer formed on the surface of the tip and an aperture formed by exposing the foremost part of the tip from the light-shielding coating layer to outside. The light-shielding coating layer operates as a light shielding portion for interrupting the light radiated on other than the aperture and light enters or exits only at the aperture and light is propagated in the core as it is repeatedly reflected at a core-cladding boundary and is collected at the tip so as to be radiated via the aperture. The light entering the tip via the aperture is conducted into the core via the tip.
REFERENCES:
patent: 5480049 (1996-01-01), Marchman
patent: 5531343 (1996-07-01), Filas et al.
patent: 5662817 (1997-09-01), Honmou
patent: 5676852 (1997-10-01), Filas et al.
patent: 5709803 (1998-01-01), Filas et al.
Matsumoto Takuya
Mononobe Shuji
Ohtsu Motoichi
Saiki Toshiharu
Kanagawa Academy of Science and Technology
Maioli Jay H.
Palmer Phan T.H.
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