skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Backscatter absorption gas imaging system

Abstract

A video imaging system for detecting hazardous gas leaks. Visual displays of invisible gas clouds are produced by radiation augmentation of the field of view of an imaging device by radiation corresponding to an absorption line of the gas to be detected. The field of view of an imager is irradiated by a laser. The imager receives both backscattered laser light and background radiation. When a detectable gas is present, the backscattered laser light is highly attenuated, producing a region of contrast or shadow on the image. A flying spot imaging system is utilized to synchronously irradiate and scan the area to lower laser power requirements. The imager signal is processed to produce a video display.

Inventors:
OSTI Identifier:
5406626
Application Number:
ON: DE84006162
Assignee:
EDB-84-037862
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; LEAK DETECTORS; BACKSCATTERING; TELEVISION; IMAGES; LASER RADIATION; ELECTROMAGNETIC RADIATION; RADIATIONS; SCATTERING; 440300* - Miscellaneous Instruments- (-1989)

Citation Formats

McRae, T.G. Jr.. Backscatter absorption gas imaging system. United States: N. p., Web.
McRae, T.G. Jr.. Backscatter absorption gas imaging system. United States.
McRae, T.G. Jr.. . "Backscatter absorption gas imaging system". United States.
@article{osti_5406626,
title = {Backscatter absorption gas imaging system},
author = {McRae, T.G. Jr.},
abstractNote = {A video imaging system for detecting hazardous gas leaks. Visual displays of invisible gas clouds are produced by radiation augmentation of the field of view of an imaging device by radiation corresponding to an absorption line of the gas to be detected. The field of view of an imager is irradiated by a laser. The imager receives both backscattered laser light and background radiation. When a detectable gas is present, the backscattered laser light is highly attenuated, producing a region of contrast or shadow on the image. A flying spot imaging system is utilized to synchronously irradiate and scan the area to lower laser power requirements. The imager signal is processed to produce a video display.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {},
month = {}
}