Aerogel-clad optical fiber

Optical waveguides – Optical fiber waveguide with cladding

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385125, G02B 602

Patent

active

056849079

ABSTRACT:
An optical fiber is surrounded by an aerogel cladding. For a low density aerogel, the index of refraction of the aerogel is close to that of air, which provides a high numerical aperture to the optical fiber. Due to the high numerical aperture, the aerogel clad optical fiber has improved light collection efficiency.

REFERENCES:
patent: 3456211 (1969-07-01), Koester
patent: 4787707 (1988-11-01), Kitayama et al.
patent: 5148511 (1992-09-01), Savu et al.
patent: 5208890 (1993-05-01), Kohler et al.
patent: 5274734 (1993-12-01), Jin et al.
patent: 5317082 (1994-05-01), Beuhler et al.

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