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Title: Non-destructive, in-situ evaluation of water presence using thermal contrast and cooled detector

Patent ·
OSTI ID:1987175

Exemplary methods for detecting presence of water in a sample include: heating a light source to a predetermined temperature at which the light source emits thermal radiation; placing a sample between the light source and a detector; transmitting the thermal radiation from the light source through the sample and onto the detector; and determining a presence or an absence of water within the sample based on the thermal radiation transmitted onto the detector. Exemplary systems for detecting presence of water in a sample are also disclosed.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
11,592,338
Application Number:
17/183,122
OSTI ID:
1987175
Resource Relation:
Patent File Date: 02/23/2021
Country of Publication:
United States
Language:
English

References (15)

Optical Material patent May 1975
Multi-channel infrared thermometer patent August 1986
Method of and apparatus for measuring very low water content in gas patent October 1991
Non-Destructive, In-Situ Evaluation of Water Presence Using Thermal Contrast and Cooled Detector patent-application March 2021
Temperature measurement and heat-treating methods and system patent November 2008
Synchronized Phased Array and Infrared Detector System for Moisture Detection patent-application April 2019
Non-Destructive, In-Situ Evaluation of Water Presence Using Thermal Contrast and Cooled Detector patent-application December 2019
Thermography method patent May 2006
Non-destructive, in-situ evaluation of water presence using thermal contrast and cooled detector patent March 2021
Method and apparatus for measuring water content patent June 1989
Multi-component Gas and Vapor Monitoring Sensor patent-application May 2017
Method and apparatus for active pyrometry patent July 1991
Non-destructive, in-situ evaluation of water presence using thermal contrast and cooled detector patent September 2022
Infrared optical system, imaging optical device, and digital appliance patent-application June 2018
Measurement of the absorption coefficient of light absorbing liquids and their use for quantitative imaging of surface topography patent July 2013

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