Optical fiber cable for detecting low temperature

Details Optical fiber cable for detecting low temperature Optical fiber cable for detecting low temperature

1984-08-13

1988-03-08

Lee, John

350 9629, G02B 644, H01J 516

Patent

active

047296275

ABSTRACT:
An optical fiber cable for detecting a low temperature comprising a center member made of a material having a low coefficient of linear expansion and one or more longitudinally extending grooves in each of which at least one optical fiber is placed, (i) wherein at least one optical fiber comprising a core and a cladding both made of silica glass is placed in each of said grooves and the interior space of the groove which is not occupied by the optical fiber or fibers may be filled with a resin which has a low glass transition temperature; or (ii) wherein each of the optical fibers placed in each of said grooves, have different coating structures from each other and/or different fiber structures from each other so as to detect a low temperature in different temperature ranges.

REFERENCES:
patent: 4417782 (1983-11-01), Clarke et al.
patent: 4491386 (1985-01-01), Negishi et al.
patent: 4505542 (1985-03-01), Clarke
patent: 4515435 (1985-05-01), Anderson
patent: 4530078 (1985-07-01), Lagakos et al.
patent: 4596443 (1986-06-01), Diemeer et al.
patent: 4654520 (1987-03-01), Griffiths
patent: 4678903 (1987-07-01), Wlodarczyk et al.

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