Method and apparatus for sensing a temperature along an...

Details Method and apparatus for sensing a temperature along an... Method and apparatus for sensing a temperature along an...

2005-02-08

2005-02-08

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Optical waveguide sensor

C385S010000, C385S031000, C385S037000

Reexamination Certificate

active

06853759

ABSTRACT:
A temperature sensing and control method and apparatus. In one aspect of the present invention, an apparatus according to the teachings of the present invention includes an optical path disposed in semiconductor material, a grating disposed in the optical path, and a thermal probe including an optical sensor optically coupled to the grating to sense a spectral response of the grating. The thermal probe is adapted to determine a temperature of the optical path in which the grating is disposed in response to the spectral response of the grating.

REFERENCES:
patent: 4859079 (1989-08-01), Wickersheim et al.
patent: 5277496 (1994-01-01), Mayer et al.
patent: 5366290 (1994-11-01), Mayer et al.
patent: 5766956 (1998-06-01), Groger et al.
patent: 5879294 (1999-03-01), Anderson et al.
patent: 20040156575 (2004-08-01), Samara-Rubio et al.

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