Mixed gas sensing based on a broad-band super-luminescent diode (1535 nm) coupled with an external Fabry-Perot etalon for C2H2 and CO2 is proposed and demonstrated. The wavelength tuning by tilting the etalon will provide selective gas sensing by absorption spectroscopy technique. © 2012 OSA.

Nilesh Jayanthilal Vasa

Department of Engineering Design

Munusamy Kumaravel

Broad bands

FABRY-PEROT ETALONS

gas sensing

Mixed gas

SUPERLUMINESCENT DIODE

WAVELENGTH TUNING

Carbon dioxide

Chemical detection

ETALONS

Fabry-Perot interferometers

GAS DETECTORS

Luminescence

Photonics

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IIT Madras

2012 International Conference on Fiber Optics and Photonics, PHOTONICS 2012

Super luminescent diode with a Fabry-Perot etalon for measurement of CO2 and C2H2 in a gas mixture

Journal	2012 International Conference on Fiber Optics and Photonics, PHOTONICS 2012
Open Access	No