Method and apparatus for optical temperature measurements
Abstract
A method and apparatus are provided for remotely monitoring temperature. Both method and apparatus employ a temperature probe material having an excitation-dependent emission line whose fluorescence intensity varies directly with temperature whenever excited by light having a first wavelength and whose fluorescence intensity varies inversely with temperature whenever excited by light having a second wavelength. Temperature is measured by alternatively illuminating the temperature probe material with light having the first wavelength and light having the second wavelength, monitoring the intensity of the successive emissions of the excitation-dependent emission line, and relating the intensity ratio of successive emissions to temperature.
- Inventors:
-
- Livermore, CA
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 866518
- Patent Number(s):
- 4729668
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01K - MEASURING TEMPERATURE
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- method; apparatus; optical; temperature; measurements; provided; remotely; monitoring; employ; probe; material; excitation-dependent; emission; line; fluorescence; intensity; varies; directly; whenever; excited; light; wavelength; inversely; measured; alternatively; illuminating; successive; emissions; relating; ratio; temperature probe; temperature measurements; emission line; fluorescence intensity; optical temperature; temperature measurement; remotely monitoring; probe material; intensity varies; monitoring temperature; temperature measure; intensity ratio; /374/
Citation Formats
Angel, S Michael, and Hirschfeld, Tomas B. Method and apparatus for optical temperature measurements. United States: N. p., 1988.
Web.
Angel, S Michael, & Hirschfeld, Tomas B. Method and apparatus for optical temperature measurements. United States.
Angel, S Michael, and Hirschfeld, Tomas B. Fri .
"Method and apparatus for optical temperature measurements". United States. https://www.osti.gov/servlets/purl/866518.
@article{osti_866518,
title = {Method and apparatus for optical temperature measurements},
author = {Angel, S Michael and Hirschfeld, Tomas B},
abstractNote = {A method and apparatus are provided for remotely monitoring temperature. Both method and apparatus employ a temperature probe material having an excitation-dependent emission line whose fluorescence intensity varies directly with temperature whenever excited by light having a first wavelength and whose fluorescence intensity varies inversely with temperature whenever excited by light having a second wavelength. Temperature is measured by alternatively illuminating the temperature probe material with light having the first wavelength and light having the second wavelength, monitoring the intensity of the successive emissions of the excitation-dependent emission line, and relating the intensity ratio of successive emissions to temperature.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1988},
month = {Fri Jan 01 00:00:00 EST 1988}
}