Backscatter absorption gas imaging system
Patent
·
OSTI ID:5846188
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.
- Assignee:
- The United States of America as represented by the United States Department of Energy
- Patent Number(s):
- US 4555627
- OSTI ID:
- 5846188
- Country of Publication:
- United States
- Language:
- English
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