High-sensitivity gas-mapping 3D imager and method of operation

Kreitinger, Aaron Thomas; Thorpe, Michael James

High-sensitivity gas-mapping 3D imager and method of operation

Patent · Tue Aug 31 04:00:00 EDT 2021

OSTI ID:1840394

Kreitinger, Aaron Thomas; Thorpe, Michael James

Measurement apparatuses and methods are disclosed for generating high-precision and -accuracy gas concentration maps that can be overlaid with 3D topographic images by rapidly scanning one or several modulated laser beams with a spatially-encoded transmitter over a scene to build-up imagery. Independent measurements of the topographic target distance and path-integrated gas concentration are combined to yield a map of the path-averaged concentration between the sensor and each point in the image. This type of image is particularly useful for finding localized regions of elevated (or anomalous) gas concentration making it ideal for large-area leak detection and quantification applications including: oil and gas pipeline monitoring, chemical processing facility monitoring, and environmental monitoring.

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Research Organization:: Bridger Photonics, Inc., Bozeman, MT (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AR0000544

Assignee:: Bridger Photonics, Inc. (Bozeman, MT)

Patent Number(s):: 11,105,621

Application Number:: 16/424,327

OSTI ID:: 1840394

Country of Publication:: United States

Language:: English

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