Coherent, flexible, coated-bore hollow-fiber waveguide

Details Coherent, flexible, coated-bore hollow-fiber waveguide Coherent, flexible, coated-bore hollow-fiber waveguide

1994-01-13

1995-08-08

Gonzalez, Frank

Optical waveguides

Optical fiber waveguide with cladding

Utilizing nonsolid core or cladding

65393, G02B 620

Patent

active

054406641

ABSTRACT:
A rugged flexible hollow-fiber waveguide that permits preservation of good transverse spatial coherence of input infrared laser radiation and that transmits substantial power of such radiation, with low attenuation. The present invention preferably comprises a small-diameter thin-wall silica-glass tube; a protective coating on the outer surface of the tube; a sufficient reflective layer on the inner surface of the tube; and a thickness, optimal for the wavelength(s) of interest, of dielectric on the exposed surface of the reflective layer.

REFERENCES:
patent: 4453803 (1984-06-01), Hidaka et al.
patent: 4652083 (1987-03-01), Laakmann
patent: 4688892 (1987-08-01), Laakmann
patent: 4688893 (1987-08-01), Laakmann
patent: 4805987 (1989-02-01), Laakmann et al.
patent: 4913505 (1990-04-01), Levy
patent: 4930863 (1990-06-01), Croitoriu et al.
patent: 5005944 (1991-04-01), Laakmann et al.
patent: 5030217 (1991-07-01), Harrington
patent: 5325458 (1994-06-01), Morrow et al.

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