DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Coated fiber optic chemical and radiation sensors

Abstract

Distributed fiber optic chemical and radiation sensors formed by coating the fibers with certain types of response materials are provided. For distributed chemical sensors, the coatings are reactive with the targets; the heat absorbed or released during a reaction will cause a local temperature change on the fiber. For distributed radiation sensors, coating a fiber with a scintillator enhances sensitivity toward thermal neutrons, for example, by injecting light into the fiber. The luminescent components in these materials are taken from conjugated polymeric and oligomeric dyes, metal organic frameworks with sorbed dyes, and two-photon-absorbing semiconductors. The compositions may exhibit strong gamma rejection. Other scintillators combining luminescent materials with neutron converters are available. With a multiple-layer coating, it may be possible to identify the presence of both neutrons and gamma rays, for example. Coatings may be applied during manufacture or in the field.

Inventors:
;
Issue Date:
Research Org.:
Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge Y-12 Plant (Y-12), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1893084
Patent Number(s):
11371943
Application Number:
17/060,253
Assignee:
Consolidated Nuclear Security, LLC (Oak Ridge, TN); University of Tennessee Research Foundation (Knoxville, TN)
Patent Classifications (CPCs):
C - CHEMISTRY C03 - GLASS C03C - CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS
G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
DOE Contract Number:  
NA0001942
Resource Type:
Patent
Resource Relation:
Patent File Date: 10/01/2020
Country of Publication:
United States
Language:
English

Citation Formats

Lamberti, Vincent E., and Penumadu, Dayakar. Coated fiber optic chemical and radiation sensors. United States: N. p., 2022. Web.
Lamberti, Vincent E., & Penumadu, Dayakar. Coated fiber optic chemical and radiation sensors. United States.
Lamberti, Vincent E., and Penumadu, Dayakar. Tue . "Coated fiber optic chemical and radiation sensors". United States. https://www.osti.gov/servlets/purl/1893084.
@article{osti_1893084,
title = {Coated fiber optic chemical and radiation sensors},
author = {Lamberti, Vincent E. and Penumadu, Dayakar},
abstractNote = {Distributed fiber optic chemical and radiation sensors formed by coating the fibers with certain types of response materials are provided. For distributed chemical sensors, the coatings are reactive with the targets; the heat absorbed or released during a reaction will cause a local temperature change on the fiber. For distributed radiation sensors, coating a fiber with a scintillator enhances sensitivity toward thermal neutrons, for example, by injecting light into the fiber. The luminescent components in these materials are taken from conjugated polymeric and oligomeric dyes, metal organic frameworks with sorbed dyes, and two-photon-absorbing semiconductors. The compositions may exhibit strong gamma rejection. Other scintillators combining luminescent materials with neutron converters are available. With a multiple-layer coating, it may be possible to identify the presence of both neutrons and gamma rays, for example. Coatings may be applied during manufacture or in the field.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {6}
}

Works referenced in this record:

Radiation cured coatings for fiber optics
patent, November 1978


Apparatus and method for leak detection
patent, March 2004


Detection of aromatic hydrocarbons in air and water by using xerogel layers coated on PCS fibers excited by an inclined collimated beam
journal, October 2003


Optical fiber long period sensor having a reactive coating
patent, January 1999


Optical Sensor for Sulfur Dioxide Determination in Wines
journal, October 2006


Radiation-induced loss of rare earth doped silica fibres
journal, June 1998


Planar fiber-optic interferometric acoustic sensor
patent, February 1991


Radiation distribution sensing with normal optical fiber
journal, December 2001