搜索结果: 1-15 共查到“光学工程 air”相关记录18条 . 查询时间(0.096 秒)
Evolution of perturbations in 3D air quality models
perturbation growth automatic differentiation three-dimensional numerical models -sensitivity analysis air quality models
2015/9/16
The deterministic approach of sensitivity analysis is applied on the solution vector of an Air Quality Model. In
particular, the photochemical CAMx code is augmented with derivatives utilising the au...
Measurements of Plasma Electron Temperature Utilizing Magnesium Lines Appeared in Laser Produced Aluminum Plasma in Air
LIBS Self Absorption Mg-Lines Plasma Parameters
2013/1/30
We have utilized the relative intensity of magnesium lines originated from the Mg I at 285.2 nm and Mg II at 280.27, 279.55 nm to measure the plasma electron temperature. The plasma was produced via i...
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...
Demonstrating Novel Functionality of Air-holes to Realize Large-mode-area Optical Fibers
Fiber characterization Fiber design fabrication Microstructured fibers
2015/5/25
A new functionality of air-holes, worked as prevention for micro-deformation induced loss without affecting other properties, is demonstrated. A fiber with Aeff of 150μm 2 was fabricated by utilizing ...
Analyzing return loss deterioration of optical fiber joints with various air-filled gaps over wide wavelength range
Fiber characterization Fiber optics
2015/6/5
We experimentally investigated the return loss of optical fiber joints with various air-filled gaps. We discovered that the return loss might deteriorate to 8.6 dB for one connector and 5.9 dB for fou...
Multiband Signals Generation and Transmission over Fiber and Air by a Novel Frequency-Doubled, Radio-Over-Fiber Architecture without Expensive Carrier Suppression Filters
Networks Optical communications
2015/6/4
We demonstrate a novel frequency-doubled wireless over fiber system to offer multiband services including baseband, 60-GHz millimeter-wave and 15-GHz microwave without carrier suppression. Multiband w...
Measurements of the Birefringence and Verdet Constant in an Air-Core Fiber
Birefringence Verdet Constant Air-Core Fiber
2015/8/10
In order to determine the Verdet constant of an aircore photonic bandgap fiber (PBF), the birefringence of the fiber needs to be accurately known. We used two methods to measure the linear...
Optical Measurement of High-voltage Discharge in Air for Lidar Lightning Detection
Faraday effect Lightning Discharge Polarization
2009/6/1
This study aims to develop a new concept lidar for lightining strike prediction. In cloud-to-cloud discharges, the electromagnetic pulse rotates the polarization plane of a beam propagating beam throu...
A polarization maintaining air-core polymer fiber for terahertz guiding is proposed. The bandgap repels modal power from the absorbent background polymers, resulting in significant suppression of moda...
Examination of air density fluctuations with the aid of laser beam
turbulence density fluctuations
2011/5/4
The paper presents theoretical foundations and results of experimental verification of the possibility of laser beam application for registration of air density fluctuations caused either by mechanica...
Air-bridged photonic crystal slabs at visible and near-infrared wavelengths
Air-bridged photonic crystal slabs visible near-infrared wavelengths
2015/8/11
Air-bridged photonic crystal slabs are demonstrated at visible and near-infrared wavelengths. We present experimental and theoretical studies of the transmission spectra of air-bridged photonic crysta...
Conditions for designing single-mode air-core waveguides in three-dimensional photonic crystals
designing single-mode air-core waveguides three-dimensional photonic crystals
2015/8/11
The authors present a general procedure that allows the design of single-mode air-core waveguides in three-dimensional photonic crystals. The procedure involves analyzing the modal profile of th...
Understanding Air-Core Photonic-Bandgap Fibers:Analogy to Conventional Fibers
Air-core photonic-bandgap fi bers conventional solid-core fi ber LP modes numerical aperture PBF
2015/8/11
It is shown from basic principles that the core modes of an air-core photonic-bandgap fiber (PBF) exhibit similar qualitative and quantitative behavior as the linearly polarized (LP)modes of an ...
Simple geometric criterion to predict the existence of surface modes in air-core photonicbandgap fibers
Fiber design and fabrication Fiber optics optical communications
2015/8/11
We propose a simple geometric criterion based on the size of the core relative to the photonic crystal to quickly determine whether an aircore photonic-bandgap fiber with a given geometry supports sur...
Designing Air-Core Photonic-Bandgap Fibers Free of Surface Modes
Bulk modes core modes optical fiber
2015/8/11
It is known that the coupling of core modes to surface modes in air-core photonic-bandgap fiber (PBF) can give rise to large propagation losses. Using computer simulations, we analyze the relationship...