Importance

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Abstract

Disclosed herein are devices, systems, and methods for use in measuring the concentration component gases in a gaseous mixture. An alignment pipe can be used to maintain the alignment of a laser and a laser receiver for use in laser spectroscopy. The pipe is sufficiently rigid to mount and support the laser and receiver. An exhaust sampling port can be located on the trailing edge of the pipe for admitting gas samples into the pipe to be measured while minimizing the amount of particulate matter that enters the sampling area. The pipe can be double-walled and water cooled to maintain a reasonable temperature. Protective housings can be provided to protect the laser and receiver to improve reliability. The protective housings can be liquid cooled and pressurized to further improve reliability.

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First Claim