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40 km long-range Raman-based distributed temperature sensor with meter-scale spatial resolution
Fiber optics sensors Scattering Raman
2010/6/10
We propose a new Raman based distributed measurement technique which allows for temperature sensing over nearly 40 km of graded index multimode optical fiber with meter-scale spatial resolution and te...
Required Resolution of Digital-Analog-Converter for Optical OFDM
Fiber optics communications Modulation
2010/6/4
The required resolution of digital-analog-converter for optical OFDM was evaluated through simulation and experiment. Signal degradation caused by quantization was independent of subcarrier modulation...