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

Title: Optical Johnson noise thermometry

Abstract

Method and device for direct, non-contact temperature measure of a body. A laser beam is reflected from the surface of the body and detected along with the Planck radiation. The detected signal is analyzed using signal correlation technique to generate an output signal proportional to the Johnson noise introduced into the reflected laser beam as a direct measure of the absolute temperature of the body.

Inventors:
 [1];  [2];  [2];  [3]
+ Show Inventor Affiliations
  1. Oak Ridge, TN
  2. Knoxville, TN
  3. Powell, TN
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
868200
Patent Number(s):
5098197
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
Show more
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
optical; johnson; noise; thermometry; method; device; direct; non-contact; temperature; measure; laser; beam; reflected; surface; detected; planck; radiation; signal; analyzed; correlation; technique; generate; output; proportional; introduced; absolute; johnson noise; signal proportional; laser beam; output signal; detected signal; reflected laser; direct measure; non-contact temperature; correlation technique; temperature measure; /374/

Citation Formats

Shepard, Robert L, Blalock, Theron V, Roberts, Michael J, and Maxey, Lonnie C. Optical Johnson noise thermometry. United States: N. p., 1992. Web.
Copy to clipboard
Shepard, Robert L, Blalock, Theron V, Roberts, Michael J, & Maxey, Lonnie C. Optical Johnson noise thermometry. United States.
Copy to clipboard
Shepard, Robert L, Blalock, Theron V, Roberts, Michael J, and Maxey, Lonnie C. Wed . "Optical Johnson noise thermometry". United States. https://www.osti.gov/servlets/purl/868200.
Copy to clipboard
@article{osti_868200,
title = {Optical Johnson noise thermometry},
author = {Shepard, Robert L and Blalock, Theron V and Roberts, Michael J and Maxey, Lonnie C},
abstractNote = {Method and device for direct, non-contact temperature measure of a body. A laser beam is reflected from the surface of the body and detected along with the Planck radiation. The detected signal is analyzed using signal correlation technique to generate an output signal proportional to the Johnson noise introduced into the reflected laser beam as a direct measure of the absolute temperature of the body.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {1}
}
Copy to clipboard
Patent:
View Patent
Save / Share:
Export Metadata
Save to My Library
You must Sign In or Create an Account in order to save documents to your library.

Works referenced in this record:

Correlator‐Amplifier for Very Low Level Signals
journal, December 1965

    [ × clear filter / sort ]

    Similar Records in DOE Patents and OSTI.GOV collections: