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Conferences > FiO > 2015 > FTh2A > FTh2A.3

Superluminescent Diode Coupled with Etalon for Measuring CH4 and CO2 in Biogas

Ramya Selvaraj, K. Sulochana, Nilesh J. Vasa, and S. M. Shiva Nagendra

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Abstract

Superluminescent diode based absorption spectroscopy is demonstrated for simultaneous measurement of CH4 and CO2 in biogas. A free space etalon is used to avoid interference from other gases and allow measurement with a low resolution spectrometer.

© 2015 Optical Society of America

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