Tunable diode laser spectroscopy with electronically controlled background RAM nulling

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dc.contributor.author Chakraborty, Arup Lal
dc.contributor.author Upadhyay, Abhishek
dc.contributor.author Katre, Vibhav Vikas
dc.date.accessioned 2014-04-24T13:51:12Z
dc.date.available 2014-04-24T13:51:12Z
dc.date.issued 2012-11-20
dc.identifier.citation Upadhyay, A. and Chakraborty, Arup Lal, “Tunable diode laser spectroscopy with electronically controlled background RAM nulling”, in 22nd International Conference on Optical Fiber Sensors (OFS-22), Beijing, CH, October 15-19, 2012. en_US
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/1146
dc.description.abstract An electronically‐controlled fibre‐optic RAM nullingmethod is presented fortunable diode laser spectroscopy (TDLS) of gases. An electronic variable optical attenuator and a 1x2 optical switch are used to demonstrate the cancellation of the background RAM signal that limits the detection sensitivity in 1f WMS. This is an significant improvement upon the generic RAM nulling method that has recently been shown to be well suited to direct recovery of the absolute gas absorption line shapes of gases that commonly encountered in process control applications. en_US
dc.language.iso en en_US
dc.subject Electronic VOA en_US
dc.subject RAM nulling en_US
dc.subject Tunable diode laser spectroscopy en_US
dc.subject Wavelength modulation spectroscopy en_US
dc.title Tunable diode laser spectroscopy with electronically controlled background RAM nulling en_US
dc.type Article en_US


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