Optical fiber temperature sensor and temperature measuring...

Thermal measuring and testing – Temperature measurement – Nonelectrical – nonmagnetic – or nonmechanical temperature...

Reexamination Certificate

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C374S137000

Reexamination Certificate

active

11190865

ABSTRACT:
An optical fiber temperature sensor employs a holey fiber. The holey fiber has an optical fiber concentrated part that a predetermined length of the holey fiber is concentrated in a spot region that is included in a space to be measured in temperature distribution. The optical fiber concentrated part has a bend formed by looping or winding the holey fiber.

REFERENCES:
patent: 4151747 (1979-05-01), Gottlieb et al.
patent: 5035511 (1991-07-01), Berthold
patent: 6511222 (2003-01-01), Bouamra
patent: 6698919 (2004-03-01), Chi et al.
patent: 8-334420 (1996-12-01), None
patent: 9-210809 (1997-08-01), None
patent: 2002-249335 (2002-09-01), None

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