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Title: Method and system for multi-pass laser-induced incandescence

Various technologies for measurement of properties of a particulate suspended in a gas phase via laser-induced incandescence (LII) are described herein. A beam of light can be emitted into a multi-pass optical cell using a laser. The multi-pass optical cell comprises a system of one or more mirrors that repeatedly reflects the beam through a measurement region, stimulating incandescence of particulates present in the measurement region. An LII detection system having a field of view that encompasses the measurement region then receives blackbody or quasi-blackbody radiation emitted by the incandescing particles and outputs data indicative of one or more properties of the particulates in the measurement region.
Inventors:
;
Issue Date:
OSTI Identifier:
1475173
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM) SNL
Patent Number(s):
10,067,049
Application Number:
15/239,634
Contract Number:
AC04-94AL85000
Resource Relation:
Patent File Date: 2016 Aug 17
Research Org:
Albuquerque Operations Office, Albuquerque, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English

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