Pulsed laser linescanner for a backscatter absorption gas imaging system
Abstract
An active (laser-illuminated) imaging system is described that is suitable for use in backscatter absorption gas imaging (BAGI). A BAGI imager operates by imaging a scene as it is illuminated with radiation that is absorbed by the gas to be detected. Gases become "visible" in the image when they attenuate the illumination creating a shadow in the image. This disclosure describes a BAGI imager that operates in a linescanned manner using a high repetition rate pulsed laser as its illumination source. The format of this system allows differential imaging, in which the scene is illuminated with light at least 2 wavelengths--one or more absorbed by the gas and one or more not absorbed. The system is designed to accomplish imaging in a manner that is insensitive to motion of the camera, so that it can be held in the hand of an operator or operated from a moving vehicle.
- Inventors:
- Issue Date:
- Research Org.:
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1174725
- Patent Number(s):
- 6690472
- Application Number:
- 09/965,527
- Assignee:
- Sandia National Laboratories (Livermore, CA)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Kulp, Thomas J., Reichardt, Thomas A., Schmitt, Randal L., and Bambha, Ray P. Pulsed laser linescanner for a backscatter absorption gas imaging system. United States: N. p., 2004.
Web.
Kulp, Thomas J., Reichardt, Thomas A., Schmitt, Randal L., & Bambha, Ray P. Pulsed laser linescanner for a backscatter absorption gas imaging system. United States.
Kulp, Thomas J., Reichardt, Thomas A., Schmitt, Randal L., and Bambha, Ray P. Tue .
"Pulsed laser linescanner for a backscatter absorption gas imaging system". United States. https://www.osti.gov/servlets/purl/1174725.
@article{osti_1174725,
title = {Pulsed laser linescanner for a backscatter absorption gas imaging system},
author = {Kulp, Thomas J. and Reichardt, Thomas A. and Schmitt, Randal L. and Bambha, Ray P.},
abstractNote = {An active (laser-illuminated) imaging system is described that is suitable for use in backscatter absorption gas imaging (BAGI). A BAGI imager operates by imaging a scene as it is illuminated with radiation that is absorbed by the gas to be detected. Gases become "visible" in the image when they attenuate the illumination creating a shadow in the image. This disclosure describes a BAGI imager that operates in a linescanned manner using a high repetition rate pulsed laser as its illumination source. The format of this system allows differential imaging, in which the scene is illuminated with light at least 2 wavelengths--one or more absorbed by the gas and one or more not absorbed. The system is designed to accomplish imaging in a manner that is insensitive to motion of the camera, so that it can be held in the hand of an operator or operated from a moving vehicle.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {2}
}