Method of producing fiber optic chemical sensors incorporating p

Details Method of producing fiber optic chemical sensors incorporating p Method of producing fiber optic chemical sensors incorporating p

1987-09-03

1989-06-27

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

8509, 8514, 128634, 264 15, 264 78, 350 963, G02B 602, B29D 1100

Patent

active

048427837

ABSTRACT:
A fiber optic chemical sensor and the method of making it are provided, such being useful in medical, biological and industrial applications. The sensor includes an optical fiber waveguide having a photocrosslinked polymeric gel at a portion thereof, which gel is crosslinked in place and undergoes substantial volume expansion. A dye is absorbed into the gel, the dye being responsive to different degrees depending on the presence and concentration of any one of particular parameters of a fluid being monitored, such parameters being pH, oxygen concentration, carbon dioxide concentration and the like.

REFERENCES:
patent: Re32475 (1987-08-01), Nishida et al.
patent: 4200110 (1980-04-01), Peterson et al.
patent: 4476870 (1984-10-01), Peterson et al.
patent: 4577109 (1986-03-01), Hirschfeld
patent: 4682895 (1987-07-01), Costello

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