Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Emissions from Structure Fires: Overview of BHASMA and Results for CO<sub>2</sub> and Select Pollutants by Fuel, Combustion Mode, and Scale.

Environmental science & technology·2025
Same author

Pulse interaction induced systematic errors in dual comb spectroscopy.

Optics express·2024
Same author

Open-path measurement of stable water isotopologues using mid-infrared dual-comb spectroscopy.

Atmospheric measurement techniques·2023
Same author

Open-path dual-comb spectroscopy of methane and VOC emissions from an unconventional oil well development in Northern Colorado.

Frontiers in chemistry·2023
Same author

Improving the State-of-the-Art in Flow Measurements for Large-Scale Oxygen Consumption Calorimetry.

Fire technology·2023
Same author

Distributed Fiber Optic Measurements of Strain and Temperature in Long-Span Composite Floor Beams with Simple Shear Connections Subject to Compartment Fires.

Fire safety journal·2021

Related Experiment Video

Updated: Jul 16, 2025

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

11.2K

Coherent Laser Ranging of Deforming Objects in Fires at Sub-Millimeter Precision.

Matthew S Hoehler1, Artur Chernovsky1, Matthew F Bundy1

  • 1National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, USA.

Fire Safety Journal
|September 18, 2023
PubMed
Summary

This study introduces a new method using coherent Frequency Modulated Continuous Wave Light Detection and Ranging (LiDAR) for precise 3D measurements in fires. The technique successfully captures object geometry with millimeter accuracy, even through flames up to 1.5 meters deep.

Keywords:
laser rangingstructural responsethermal deformationthree-dimensional image acquisitionwildfires

More Related Videos

Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
06:16

Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

Published on: April 25, 2019

7.6K
Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments
06:40

Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments

Published on: January 28, 2021

4.4K

Related Experiment Videos

Last Updated: Jul 16, 2025

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

11.2K
Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
06:16

Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

Published on: April 25, 2019

7.6K
Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments
06:40

Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments

Published on: January 28, 2021

4.4K

Area of Science:

  • Fire Science
  • Optical Measurement Technologies
  • Metrology

Background:

  • Light Detection and Ranging (LiDAR) is crucial for surface geometry characterization.
  • Existing methods struggle with precise 3D measurements in fire conditions due to flame interference.

Purpose of the Study:

  • To apply coherent Frequency Modulated Continuous Wave (FMCW) LiDAR for 3D object measurement in fires.
  • To achieve millimeter precision measurements of objects obscured by flames at stand-off distances.

Main Methods:

  • Utilized coherent FMCW LiDAR technology.
  • Conducted experiments with natural gas flames up to 1.5 m depth obscuring targets.
  • Employed spatial and temporal averaging in post-processing for enhanced precision.

Main Results:

  • Demonstrated millimeter precision 3D measurements of objects within flames.
  • Achieved successful measurements despite flame depths up to 1.5 meters.
  • Showcased sub-millimeter precision through post-processing averaging techniques.

Conclusions:

  • Coherent FMCW LiDAR offers a robust solution for 3D metrology in fire environments.
  • The developed technique significantly advances capabilities for fire research applications.
  • This method provides unprecedented precision for studying structural and vegetation responses during fires.