Gas concentration-measuring device
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United States of America Patent
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Jun 12, 2012
Grant Date -
Sep 9, 2010
app pub date -
Jan 19, 2010
filing date -
Mar 3, 2009
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Abstract
A gas concentration-measuring device makes it possible to measure gas components in a gas sample. An interferometer, based on a dual-band Fabry-Perot interferometer (1), is provided with a transmission spectrum that can be set by a control voltage (38). The control voltage (38) of the dual-band Fabry-Perot interferometer (1) is synchronized over the course of time with the activation and deactivation of the radiation sources (11, 12).
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