Method and system for multi-pass laser-induced incandescence

Bambha, Ray; Michelsen, Hope A.

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

Abstract

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:: Bambha, Ray; Michelsen, Hope A.

Issue Date:: 2018-09-04

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1475173

Patent Number(s):: 10067049

Application Number:: 15/239,634

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N2015/035 - {the optical arrangement forming an integrated apparatus with the sample container}
G01N15/00 - Investigating characteristics of particles
G01N2015/0046 - {in gas, e.g. smoke}
G01N2015/0693 - {by optical means, e.g. by integrated nephelometry}
G01N15/1434 - {using an analyser being characterised by its optical arrangement}
G01N21/718 - {Laser microanalysis, i.e. with formation of sample plasma}

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DOE Contract Number:: AC04-94AL85000

Resource Type:: Patent

Resource Relation:: Patent File Date: 2016 Aug 17

Country of Publication:: United States

Language:: English

Citation Formats


                    Bambha, Ray, and Michelsen, Hope A. Method and system for multi-pass laser-induced incandescence.  United States: N. p., 2018. 
        Web.

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                    Bambha, Ray, & Michelsen, Hope A. Method and system for multi-pass laser-induced incandescence.  United States.

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                    Bambha, Ray, and Michelsen, Hope A. Tue .  
        "Method and system for multi-pass laser-induced incandescence".  United States.  https://www.osti.gov/servlets/purl/1475173.

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@article{osti_1475173,

  title        = {Method and system for multi-pass laser-induced incandescence},

  author       = {Bambha, Ray and Michelsen, Hope A.},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2018},

  month        = {9}

}

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

Abstract

Citation Formats

Gas species monitor system patent, September 1990

Ring-down cavity spectroscopy cell using continuous wave excitation for trace species detection patent, June 1996

Polygonal planar multipass cell, system and apparatus including same, and method of use patent, October 1998

Multipass cavity for illumination and excitation of moving objects patent, May 2003

Small particle analysis by laser induced incandescence patent, October 2004

Method and device for the comprehensive characterization and monitoring of exhaust gases and the regulation of engines in particular internal combustion engines and components for the treatment of exhaust gas patent, August 2006

Near re-entrant dense pattern optical multipass cell patent, December 2007

Dense pattern optical multipass cell patent, January 2009

Multipass optical device and process for gas and analyte determination patent, January 2011

Method of determining the content of SO2 in a beverage product patent-application, December 2004

Multipass Spectroscopic Absorption Cell patent-application, July 2016

Controllable pulse compression in a multiple-pass-cell Raman laser journal, January 1980

Compact multipass optical cell for laser spectroscopy journal, January 2013

Gas species monitor system
patent, September 1990

Ring-down cavity spectroscopy cell using continuous wave excitation for trace species detection
patent, June 1996

Polygonal planar multipass cell, system and apparatus including same, and method of use
patent, October 1998

Multipass cavity for illumination and excitation of moving objects
patent, May 2003

Small particle analysis by laser induced incandescence
patent, October 2004

Method and device for the comprehensive characterization and monitoring of exhaust gases and the regulation of engines in particular internal combustion engines and components for the treatment of exhaust gas
patent, August 2006

Near re-entrant dense pattern optical multipass cell
patent, December 2007

Dense pattern optical multipass cell
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Multipass optical device and process for gas and analyte determination
patent, January 2011

Method of determining the content of SO2 in a beverage product
patent-application, December 2004

Multipass Spectroscopic Absorption Cell
patent-application, July 2016

Controllable pulse compression in a multiple-pass-cell Raman laser
journal, January 1980

Compact multipass optical cell for laser spectroscopy
journal, January 2013