搜索结果: 1-13 共查到“光学工程 PCF”相关记录13条 . 查询时间(0.097 秒)
为了更准确、快速评估实际光子晶体光纤的光特性，提出了一种基于全变差和小波变换的实际光子晶体光纤光特性评估方法。建立了在小波变换域上的全变差模型，利用Bregman算法进行迭代运算，有效地滤除光子晶体光纤截面图像的噪声，并保持截面图像空气孔的边缘结构，进而结合有限元方法，实现实际光子晶体光纤的光特性的准确快速评估。通过对商用及自制光子晶体光纤的特性评估，验证了所提出方法的有效性。文中所提出的方法结合...
Transmission Characteristics of Tuneable Optical Filters Using Optical Ring Resonator with PCF Resonance Loop
Optical Ring Resonator Photonic Crystal Fiber Tuneable Optical Filter Optical Fiber
2013/1/30
A theoretical analysis of a tuneable optical filter is presented by proposing an optical ring resonator (ORR) using photonic crystal fiber (PCF) as the resonance loop. The influences of the characteri...
Polarization-insensitive wavelength conversion, as well as the conversion of return-to-zero (RZ) ON-OFF keying (RZ-OOK) to RZ binary phase-shift keying (RZ-BPSK), has been simultaneously achieved at 4...
A sensor head cons is t in g of a photonic cr ystalfiber ( PCF)-b ased Mac h –Zehnderinterferometer(MZI) anda fiber Bragg grating (F BG) i s proposed and experimentally demo nstrated for simultaneous ...
An HC-PCF Fluorescence Spectrocopy for Detection of Microsphere Samples Based on Refractive Index Scaling Law
Optical Fiber Hollow-Core Photonic Crystal Fiber Refractive Index Scaling Fluorescence Spectroscopy
2013/1/30
This paper illustrates an efficient fluorescence detection of micro particles using hollow-core photonic crystal fibers (HC-PCFs) by applying the refractive index (RI) scaling law. The variations in t...
Photonic MircoCells based on hollow-core PCF
Microstructured fibers Photonic crystal fibers Nonlinear optics fibers Coherent optical effects
2015/5/25
We review the recent progress on hollow-core photonic crystal fibers and its integrated form of photonic microcells in both their design and fabrication and in their applications for coherent optics, ...
基于PCF-LPG的差分算法实现对光纤传感的噪音消除。
为了有效消除光源抖动及系统不稳定因素给光纤传感器带来的噪音干扰,提高光纤传感器的准确度,本文提出了一种基于光子晶体光纤长周期光栅的差分算法.利用光子晶体光纤长周期光栅良好的温度稳定性及宽光谱滤波特性,同时监测位于光子晶体光纤长周期光栅透射谱正负斜率线性区域内的两个信号功率变化.这两个信号是经同一路径到监测设备的,包含光源抖动以及系统其它不稳定因素带来的噪音干扰,对这两个信号进行差分处理即可有效消除...
提出一种基于强度检测的高双折射光子晶体光纤环镜(HiBiPCFFLM, highly birefringent photonic crystal fiber loopmirror)温度不敏感应力传感器。利用PCF对温度的不敏感性,把一小段HiBiPCF传感光纤插入到FLM中,可实现温度不敏感应力传感。利用应力作用引起FLM透射光谱移动的特性,由DFB激光作为入射光源,使用光功率计检测经过FL...
C6v对称TIR-PCF结构参量对基模非线性系数的影响数值研究
光子晶体光纤 多极方法 基模非线性系数
2009/8/27
用多极方法数值研究构成六重对称(C6v)全内反射型光子晶体光纤(TIR-PCF)各种结构参量对波长在1.55 μm基模非线性系数的影响.数值结果表明包层空气孔层数、空气孔直径、间距、相对孔径对基模非线性系数都有不同程度的影响，其中空气孔层数的影响较小，在其它参量不变时波长越大基模非线性系数越小.层数与间距一定在波长1.55 μm时包层空气孔直径越大基模非线性系数越大，层数与包层空气孔直径一定时间距...
Compact and Portable Multiline UV & Visible Raman Laser in Hydrogen-filled HC-PCF
Visible Raman Hydrogen-filled HC-PCF
2015/7/20
We present a very compact multi-line Raman-laser with broad spectral coverage from near-IR through to the much sought after yellow, deep blue and UV. Each line of the laser exhibits high power density...
Simultaneous Implementation of Photonic OR and AND Logic Gates for CSRZ-OOK Signal Using Four-Wave Mixing (FWM) in a Highly Nonlinear Photonic Crystal Fiber (HNL-PCF)
Simultaneous Implementation Photonic OR Highly Nonlinear Photonic Crystal Fiber
2015/7/15
A simultaneous implementation of photonic OR and AND logic gates for 10-Gb/s CSRZ-OOK signal is demonstrated using FWM in a 60-meter HNL-PCF. The logic integrity and system performance are experimenta...
160 Gbit/s OTDM Transmission over 26 km PCF with Demultiplexing Technique Employing Phase Modulation-Based Pump Pulse Generation
OTDM Transmission PCF Demultiplexing Technique Pump Pulse
2015/8/4
160 Gbit/s OTDM signal was successfully transmitted over 26-km long PCF. The transmitted signal was demultiplexed with fibre FWM employing newly adopted phase modulation-based pump pulse source.