Optical fiber and method for manufacturing the same

Details Optical fiber and method for manufacturing the same Optical fiber and method for manufacturing the same

1996-12-02

1998-09-22

Healy, Brian

Optical waveguides

Optical fiber waveguide with cladding

385 43, 385 27, 359368, G02B 602, G02B 2100

Patent

active

058127224

ABSTRACT:
In an optical fiber comprising a core, and a clad which has a smaller refractive index than that of the core and with which the core is covered, an tip portion of the core has the most pointed portion which is in a conical form and has the top of an acute angle of .theta.1. Furthermore, the tip portion of the core has a core tip peripheral portion which is contiguous to the most pointed portion and has a slant of a gentler incline than the acute angle .theta.1. The optical fiber is used for, e.g., a probe.

REFERENCES:
patent: 5168538 (1992-12-01), Gillespie
patent: 5394500 (1995-02-01), Marchman
patent: 5570441 (1996-10-01), Filas et al.
patent: 5627922 (1997-05-01), Kopelman et al.
patent: 5664036 (1997-09-01), Islam
Pangaribuan, Togar et al., "Reproducible Fabrication Technique of Nanometric Tip Diameter Fiber Probe for Photon Scanning Tunneling Microscope", Japan J. Appl. Phys., vol. 31, pp. 1302-1304, 1992.

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