搜索结果: 1-15 共查到“fiber-optic”相关记录34条 . 查询时间(0.074 秒)
Seismologists monitor Ridgecrest quake aftershocks using novel fiber optic network（图）
Seismologistsr Ridgecrest quake aftershocks novel fiber optic network
2019/10/22
Seismologists at Caltech are using fiber optic cables to monitor and record aftershocks from the 2019 Ridgecrest earthquake in greater detail than previously possible. Thousands of tiny aftershocks ar...
Modeling Coherent Backscattering Errors in Fiber Optic Gyroscopes for Sources of Arbitrary Line Width
Backscattering drift backscattering noise fi ber optic gyroscope laser phase noise
2015/8/7
We present a new model of the noise and drift induced by coherent backscattering in a fiber optic gyroscope (FOG) interrogated with a light source of arbitrary temporal coherence. This study is ...
Experimental Observation of Low Noise and Low Drift in a Laser-Driven Fiber Optic Gyroscope
Backscattering drift backscattering noise fi ber optic gyroscope laser phase noise
2015/8/7
We demonstrate that by driving a fiber optic gyroscope (FOG) with a laser of relatively broad linewidth( ), both the noise and the bias drift are reduced to very low levels (0.058 and 1.1 , resp...
Resonant Fiber Optic Gyroscope Using an Air-Core Fiber
Gyroscopes photonic-bandgap fi bers resonant fi ber-optic gyroscope RFOG
2015/8/7
Air-core photonic bandgap fibers (PBFs) have great potential for the resonant fiber-optic gyroscope (RFOG), because they reduce both the Kerr-induced drift and the thermal polarization ins...
Advanced Fiber Optic Parametric Synthesis and Characterization
Fiber optics amplifier oscillators Nonlinear optics parametric processes
2015/5/26
Fiber parametric mixer devices posses the highest figure of merit in any technology,allowing for superior performance with respect to gain, noise and conversion efficiency in both incoherent and coher...
Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks
Networks Parametric oscillators amplifiers
2015/5/26
We investigate the feasibility of optical gain-clamping a fiber-optic parametric-amplifier to prevent cross gain saturation in multi-channel systems. We measure only moderate improvement but identify ...
Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks
Networks Parametric oscillators amplifiers
2015/5/26
We investigate the feasibility of optical gain-clamping a fiber-optic parametric-amplifier to prevent cross gain saturation in multi-channel systems. We measure only moderate improvement but identify ...
Using Dispersion in a Fiber-Optic Loop to Perform Time Domain Analogue RF Signal Auto-Correlation
Using Dispersion Fiber-Optic Perform Time Domain Analogue RF Signal Auto-Correlation
2015/5/22
We present an RF-photonic time-domain auto-correlator using a dispersion-induced stepped-time-delay of the modulation sidebands produced by a fiber optic recirculation loop circuit. This allows spectr...
Volterra Filtering for Nonlinearity Impairment Mitigation in DP-16QAM and DP-QPSK Fiber Optic Communication Systems
P-QPSK Fiber Optic Communication Systems Nonlinearity Impairment Volterra Filtering
2015/5/15
A reduced nonlinear Volterra filter is applied to 14 Gbaud DP-16QAM and 28 Gbaud DP-QPSK systems for nonlinearity mitigation. An increased reach of 500 km and 1200 km,respectively, is achieved compare...
Analysis of frequency characteristics of electrical arcs on the insulating sheath of the ADSS fiber optic cables
ADSS cable dry-band arcing frequency spectrum ageing process
2011/3/22
The insulating outer-sheath of ADSS (All dielectric self supporting) cables used on high voltage transmission lines are often subjected to various environmental effects. The ageing process of cable sh...
Fiber optic pressure sensing with conforming elastomers.
Fiber optic pressure sensing conforming elastomers.
2013/5/27
A novel pressure sensing scheme based on the effect of a conforming elastomer material on the transmis-sion spectrum of tilted fiber Bragg gratings is presented. Lateral pressure on the elastomer incr...
Using a Microcontroller to Optimize the Bias Voltage of Balanced Photodiodes to Minimize Even-Order Distortion in Analog Fiber-Optic Links
Radio frequency photonics Photodiodes Fiber optic links subsystems
2015/6/4
Use of a microcontroller-based bias board for balanced photodiodes improves even-order distortion cancellation due to voltage dependent responsivity nonlinearities.The bias board improves the second o...
What we believe to be a novel fiber-optical inclinometer based on a dual-path core-to-cladding mode coupling mechanism is demonstrated. Both the amplitude and tilt direction of bends about a 2-mm-long...
Fiber Optic Chemical Nanosensors Based on Engineered Single-Walled Carbon Nanotubes
Fiber Optic Chemical Nanosensors Engineered Single-Walled Carbon Nanotubes
2009/9/7
In this contribution, a review of the development of high-performance optochemical nanosensors based on the integration of carbon nanotubes with the optical fiber technology is presented. The paper fi...
Surface Plasmon Resonance-Based Fiber Optic Sensors: Principle, Probe Designs, and Some Applications
Surface Plasmon Resonance-Based Fiber Optic Sensors Principle Probe Designs
2009/9/4
Surface plasmon resonance technique in collaboration with optical fiber technology has brought tremendous advancements in sensing of various physical, chemical, and biochemical parameters. In this rev...