Sensitive, multipoint gas detection using TDM and wavelength modulation spectroscopy

Electronics Letters

Volumn 36, Issue 14, 2000, Pages 1191-1193

  Ho, H L ^a   Jin, W ^a   Demokan, M S ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

LASER RESONATORS; OPTICAL FIBERS; TIME DIVISION MULTIPLEXING;

MULTIPOINT GAS DETECTION; WAVELENGTH MODULATION SPECTROSCOPY (WMS);

CHEMICAL SENSORS;

EID: 0033727209     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20000886     Document Type: Article

References (6)

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2. REID, J., and LABRIE, D.: 'Second-harmonic detection with tunable diode laser-comparison of experiment and theory', Appl. Phys. B, 1981, 26, pp. 203-210
3. STEWART, G., MENCAGLIA, A., PHILP, W., and JIN, W.: 'Interferometric signals in fibre optic methane sensors with wavelength modulation of the DFB laser source', J. Lightwave Technol., 1998, 16, pp. 43-53
4. STEWART, G., TANDY, C., MOODIE, D., MORANTE, M.A., and DONG, F.: 'Design of a fibre optic multi-point sensor for gas detection', Sens. Actuators B, 1998, 51, pp. 227-232
5. JIN, W.: 'Performance analysis of a time-division-multiplexed fibre optic gas sensor array using wavelength modulation of the DFB laser', Appl. Opt., 1999, 38, (25), pp. 5290-5297
6. ZHU, X., and CASSIDY, D.T.: 'Electronic subtracter for trace-gas detection with InGaAsP diode laser', Appl. Opt., 1995, 34, (36), pp. 8303-8308