论文信息 - Fiber multiplexing of diode laser spectroscopy-based gas detectors

Fiber multiplexing of diode laser spectroscopy-based gas detectors

Time-domain (TDM) and frequency-domain (FDM) multiplexing techniques for near-IR diode laser spectroscopy based gas sensors are described. Three multiplexing techniques are demonstrated on a passive optical fiber network with four sensors. Absorption sensitivities varying from 2.5%, for a direct detection TDM systems, to 0.01% for a frequency modulation spectroscopy FDM system, are demonstrated.

Jan S. Rambech | Dag R. Hjelme | Steinar Neegard | Noralf Ryen

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