Modulation characteristics of interferometric noise in fiber optic gas sensors base don wavelength modulation of DFB laser have been studied. Sensor resolution limited by the interferometric noise is calculated and anti-measures are proposed.
Interferometric noise in fiber optic gas sensors using wavelength modulation spectroscopy
Optical and Fiber Optic Sensor Systems ; 1998 ; Beijing,China
Proc. SPIE ; 3555
1998-08-13
Conference paper
Electronic Resource
English
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