搜索结果: 1-15 共查到“知识库 工学 broadband”相关记录67条 . 查询时间(0.086 秒)
High-bandwidth wireless communication links could provide major improvements to integrated ocean observatory systems. The potential of broadband wireless networks opens up numerous application scenari...
Broadband and Health Care: Legal and Policy Issues with Personal Health Records (PHR)
personal health records PHRs privacy security accessibility legal issues HITECH Act National Broadband Plan
2014/12/20
This session will discuss the security, privacy and accessibility of PHRs and how the 2009 ARRA stimulus provisions (HITECH Act) and the 2010 National Broadband Plan facilitate, hamper or leave gaps i...
First Demonstration of a Broadband 37-cell Hollow Core Photonic Bandgap Fiber and Its Application to High Capacity Mode Division Multiplexing
a Broadband 37-cell Hollow Core Photonic Bandgap Fiber Application to High Capacity Mode Division Multiplexing
2014/11/6
We report fabrication of the first low-loss, broadband 37-cell photonic bandgap fiber.Exploiting absence of surface modes and low cross-talk in the fiber we demonstrate mode division multiplexing over...
Broadband light management using low-Q whispering gallery modes in spherical nanoshells
Broadband light management whispering gallery modes spherical nanoshells
2015/8/7
Light trapping across a wide band of frequencies is important for applications such as solar cells and photodetectors. Here, we demonstrate a new approach to light management by forming whispering-gal...
Broadband Sharp 90-degree Bends and T‑Splitters in Plasmonic Coaxial Waveguides
plasmonics coaxial waveguide transmission line bend splitter integrated optical circuit
2015/8/7
We demonstrate numerically that sharp 90°bends and T-splitters can be designed in plasmonic coaxial waveguides at deep-subwavelength scale to operate without reflection and radiation over a broa...
Design for broadband on-chip isolator using stimulated Brillouin scattering in dispersion-engineered chalcogenide waveguides
Nonlinear optics Stimulated scattering modulation Nonlinear optics devices
2015/8/7
We propose a scheme for on-chip isolation in chalcogenide(As2S3) rib waveguides, in which Stimulated Brillouin Scattering is used to induce non-reciprocal mode conversion within a multi-moded waveguid...
Thermodynamic Upper Bound on Broadband Light Coupling with Photonic Structures
Thermodynamic Broadband Light Coupling Photonic Structures
2015/8/7
The coupling between free space radiation and optical media critically influences the performance of optical devices. We show that, for any given photonic structure, the sum of the external coup...
Dielectric nanostructures for broadband light trapping in organic solar cells
Solar energy Nanophotonics photonic crystals Diffraction gratings
2015/8/10
Organic bulk heterojunction solar cells are a promising candidate for low-cost next-generation photovoltaic systems. However,carrier extraction limitations necessitate thin active layers that sacri...
Possible centers of broadband near-IR luminescence in bismuth-doped solids: $Bi^{+}$, Bi$_5^{3+}$, and Bi$_4^0$
near-IR broadband
2011/9/13
Subvalent bismuth centers (interstitial Bi+ ion, Bi3+5 cluster ion, and Bi0 4 cluster) are examined as possible centers of broadband near-IR luminescence in bismuth-doped solids on the grounds of quan...
Comparison of UV-B Broadband Brewer Measurements with Irradiances from Surface-Based and Satellite-Based Models
Department of Geography, University of Winnipeg, Winnipeg, Canada School of Geography and Earth Sciences, McMaster University, Hamilton, Canada
2013/2/26
UV-B irradiance can be estimated from surface meteorological data or from satellite measurements. This paper compares irradiance estimates from the Davies surface-based radiation model and the Canada ...
Validation of Spectral and Broadband UV-B (290 - 325 nm) Irradiance for Canada
Modelling UV-B Radiation DISORT Delta-Eddington
2013/2/26
Stratospheric ozone depletion, as a result of increasing chlorofluorocarbons in the stratosphere, allows more UV-B irradiance (290 - 325 nm) to reach the earth’s surface with possible detrimental biol...
High-speed and broadband electro-optic silicon switch with submilliwatt switching power
High-speed broadband electro-optic silicon switch submilliwatt switching power
2015/5/26
We present a 2x2 silicon electro-optic switch with a submilliwatt switching power (0.6 mW), a broad bandwidth (60 nm), and ultrafast speed (6 ns). Free-carrier injection Mach-Zehnder interferometers a...
A Novel Wireless over Fiber Access Architecture Employing Moving Chain Cells and RoF Technique for Broadband Wireless Applications on the Train Environment
Networks ptical communications
2015/5/26
We have demonstrated a hybrid optical/wireless system based on moving chain cells and radio-over-fiber techniques. This scheme can improve power efficiency, cell-edge coverage,system throughput and fl...
Broadband Ubiquitous Network Based on RoF-DAS over WDM-PON
Fiber optics communications Networks combinatorial network design
2015/5/26
This report is the first demonstration of RoF-DAS over WDM-PON with TDM techniques to realize a broadband ubiquitous wireless access with a gigabit-class throughput. The optical transmission performan...
Real-Time Ultra-broadband Group Delay Monitoring through Quasi-Incoherent Processing
Fiber Bragg gratings Fiber optics communications Fiber optics components Bragg reflectors Dispersion compensation devices
2015/5/25
Simple method for real-time ultra-broadband group delay measurement of photonic devices is reported, demonstrating accurate group delay ripple monitoring of a 10m-long chirped fiber grating over the f...