搜索结果: 1-13 共查到“光学工程 Fibres”相关记录13条 . 查询时间(0.072 秒)
First Demonstration of Photonic Bandgap Guidance in Hollow-core Photonic Bandgap Fibres with Square Lattice Cladding
Photonic Bandgap Guidance Hollow-core Photonic Bandgap Fibres Square Lattice Cladding
2015/7/20
Square lattice with much higher node-to-strut ratio is promising for significantly extending bandgaps in hollow-core fibres. First such fibres are achieved here. Minimum loss of 67dB/km is demonstrate...
Simple Method to Measure the Third-Order Nonlinear Coefficient of Optical Fibres
Third-Order Nonlinear Coefficient Optical Fibres
2015/7/16
We report a new method to measure the third order Kerr coefficient of optical fibres. This method is based on the self-phase-modulation-induced spectral broadening of optical pulses.
10 cm spatial resolution and 20 km range full polarimetric reflectometry for distributed DGD measurement of high PMD fibres
polarimetric reflectometry distributed DGD measurement PMD fibres
2015/7/15
Full polarimetric reflectometry is realized with a spatial resolution of 10 cm over 20 km based on phase-noise compensated optical frequency domain reflectometry. Distributed DGD measurement of high P...
All glass micro-structured optical fibers can provide new practical solutions for many areas of applications. It also offers new properties and functionalities. This talk reviews recent advances in th...
Single-Mode Optical Fibres with Record Core Diameters
Single-Mode Optical Fibres Core Diameters
2015/8/6
Strictly single-mode fibres with record core-diameters of 82 m@1 m and 130 m@1.55 m are demonstrated.They have parabolic index profile with record low index differe...
Simultaneous transmission of W-CDMA and WIMAX signals over 300 m 50 μm multimode fibres using low cost 850 nm devices
Simultaneous transmission W-CDMA WIMAX signals multimode fibres
2015/8/6
Simultaneous transmission of WCDMA and WIMAX signals over 300 m multimode fibre links for indoor coverage has been demonstrated employing low cost 850 nm devices.
Evolution of Backscattered Polarization in High-PMD Fibres Measured by Phase-Noise Compensated Optical Frequency Domain Reflectometry
Backscattered Polarization High-PMD Fibres Measured Phase-Noise Compensated Optical Frequency Domain Reflectometry
2015/8/4
The evolution of backscattered polarization in high-PMD fibres is measured by phase-noise compensated optical frequency domain reflectometry with a 25 cm spatial resolution and a 7.5 km measurement ra...
Improvement of the transmission of chalcogenide photonic crystal fibres:observation of self phase modulation spectral broadening
chalcogenide photonic crystal fibres phase modulation spectral broadening
2015/8/4
We present a chalcogenide photonic crystal fibre design with a lowest attenuation of 3dB/m at 1,55 μm. We observe, for the first time, self phase modulation spectral broadening.
2R Regeneration Architectures Based on Multi-Segmented Fibres
2R Regeneration Architectures Multi-Segmented Fibres
2015/8/3
The benefits of using a multi-segmented arrangement of optical fibres for Self-Phase Modulation-based 2R optical regeneration are described both theoretically and experimentally. Significant improveme...
Broadening of the Erbium Emission in Dielectric Nanoparticles Doped Silica-Based Fibres
Erbium Emission Dielectric Nanoparticles Doped Silica-Based Fibres
2015/7/30
To improve spectral gain properties of silica-based EDFA, we propose a new route by embedding Er ions into dielectric nanoparticles. Broadening of emission band and fibre characterizations are present...
Elliptical Core Polarization Maintaining Highly Nonlinear Fibres
Elliptical Core Polarization Maintaining Highly Nonlinear Fibres
2015/7/30
A new design for polarization maintaining highly nonlinear fibres is presented. High birefringence, high polarization extinction ratio, and good splicing properties are obtained.
Characterizing Discrete and Distributed Scattering of Higher-Order- Modes in Large-Mode-Area Fibres
Characterizing Discrete Distributed Scattering Higher-Order- Modes Large-Mode-Area Fibres
2015/7/30
We characterize higher-order-mode content in large-mode-area fibres using spatially and spectrally resolved mode imaging. The technique is capable of distinguishing between discrete and distributed sc...
Photonic bandgap fibres have a cladding that is carefully structured to reject light of certain frequencies and propagation constants. The light is therefore confined to a core that can even be made o...