Optical transducer having optical fiber plug transparent to...

Details Optical transducer having optical fiber plug transparent to... Optical transducer having optical fiber plug transparent to...

2006-10-03

2006-10-03

Font, Frank G. (Department: 2883)

Optical waveguides

Optical waveguide sensor

Reexamination Certificate

active

07116849

ABSTRACT:
An optical transducer includes a multi-port light emitting unit for distributing sensing light to minor bundles of optical fibers connected to input ports thereof and a multi-port light detecting unit for converting the sensing light to photo-current; an optical fiber plug, a socket and light detecting elements received in the socket are assembled in the multi-port light detecting unit; the optical fiber plug is made of semi-transparent colored synthetic resin, which is transparent to short-wavelength light and non-transparent to long-wavelength light, so that the minor bundles are adhered to the optical fiber plug through adhesive compound cured in the radiation of the short-wavelength light; the long-wavelength light serves as the sensing light so that leakage light does not reach the adjacent input ports.

REFERENCES:
patent: 5909028 (1999-06-01), Yamamoto
patent: 2003/0202753 (2003-10-01), Kato et al.
patent: 2003/0202754 (2003-10-01), Kato et al.
patent: 9-152525 (1997-06-01), None

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