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2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics最新文献

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Negative refractive index in natural, non-magnetic media 负折射率在自然,非磁性介质
M. McCall, P. Kinsler, D. Censor
We report that a negative refractive index (NRI) can be generated in a relativistically moving medium by breaking translational symmetry. The threshold for NRI behaviour is the medium's Čerenkov speed (εµ)–1/2.
我们报道了一个负折射率(NRI)可以在一个相对运动的介质中通过打破平移对称产生。NRI行为的阈值为介质的Čerenkov速度(εµ)-1/2。
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引用次数: 0
Flatband slow light photonic crystal waveguide in both TE and TM polarizations 平带慢光光子晶体波导在TE和TM极化
Yundong Zhang, Bo Yu, P. Yuan
The flatband slow light properties of a honey- comb photonic crystal waveguide in both TE and TM polarizations is discussed. With struture tuning, the waveguide may have obviously different group velocities for TE and TM modes, which makes it have the characteristics of polarizer.
讨论了蜂窝光子晶体波导在TE和TM极化下的平带慢光特性。通过结构调谐,该波导在TE模式和TM模式下可能具有明显不同的群速度,使其具有偏振特性。
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引用次数: 0
Research trends in optical in-building networks 楼宇内光网络的研究趋势
A. Koonen, S. Lee, H. Yang, H. Jung, E. Tangdiongga, H. V. D. van den Boom, S. Randel
By using optical fibre, a single in-building network can offer many broadband services to both wired and wireless terminals. Multi-level modulation and dispersion-robust radio-over-fibre techniques allow the use of cost-effective multimode silica or plastic fibre.
通过使用光纤,单个建筑物内网络可以向有线和无线终端提供许多宽带服务。多级调制和色散稳健的光纤无线电技术允许使用成本效益高的多模二氧化硅或塑料纤维。
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引用次数: 2
The study for optical properties of a flexible semiconductor microlaser 柔性半导体微激光器光学特性的研究
Hui-qin Wang, Jun Zheng
A new scheme for fabricating flexible semiconductor microlasers was put forward, and its optical property was investigated. The results showed that the PCs in this laser could lead the radiation emission to the needing frequency.
提出了一种制造柔性半导体微激光器的新方案,并对其光学特性进行了研究。结果表明,该激光器中的pc能够将辐射发射引导到所需的频率。
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引用次数: 0
Numerical study on damage phenomenon induced by transient stimulated brillouin scattering 瞬态受激布里渊散射损伤现象的数值研究
Ziming Ge, Zhiwei Lu, Z. Guan, Ruijun Gao, Youhua Luo
The ultrasonic intensities in the optical components induced by the transient stimulated Brillouin scattering are calculated. Through numerical study, the dependence of influence induced by SBS procession on parameters of medium are investigated.
计算了瞬态受激布里渊散射在光学元件中引起的超声强度。通过数值研究,探讨了SBS过程对介质参数的影响关系。
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引用次数: 0
Phase noise characteristic of an Yb-doped fiber amplifier predicted from structure function 从结构函数预测掺镱光纤放大器的相位噪声特性
Jianhua Wang, L. Si
From a measurement of the noise power spectral density of the fiber amplifier by using multi-dithering technique, we predict and verify the frequency bandwidth for a feedback loop using the noise structure function.
利用多抖动技术测量了光纤放大器的噪声功率谱密度,利用噪声结构函数预测并验证了反馈环路的带宽。
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引用次数: 0
Non-markovian dynamics of entanglement in a multipartite system 多部系统中纠缠的非马尔可夫动力学
Jiang Zhou, Hong Guo
We study exact entanglement dynamics of a couple of two-level atoms interacting with independent structured reservoirs. Besides analyzing bipartite entanglement qualitatively, we derive quantitative criteria for entanglement sudden death and birth phenomena.
我们研究了一对二能级原子与独立结构储层相互作用的精确纠缠动力学。在定性分析双部纠缠的基础上,导出了纠缠猝死和出生现象的定量判据。
{"title":"Non-markovian dynamics of entanglement in a multipartite system","authors":"Jiang Zhou, Hong Guo","doi":"10.1109/CLEOPR.2009.5292514","DOIUrl":"https://doi.org/10.1109/CLEOPR.2009.5292514","url":null,"abstract":"We study exact entanglement dynamics of a couple of two-level atoms interacting with independent structured reservoirs. Besides analyzing bipartite entanglement qualitatively, we derive quantitative criteria for entanglement sudden death and birth phenomena.","PeriodicalId":6452,"journal":{"name":"2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics","volume":"125 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2009-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80182646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research of measuring residual stress in laser cladding with anisotropic material based on reverse deduce 基于反向推导的各向异性材料激光熔覆残余应力测量方法研究
Zhang Zhi, Hu Mu-lin
New method of residual stress measurement is established and expressions are inferred based on reverse deduce. Test results show that residual stress in the upper layer presents as tensile stress, while presents as compressive stress in the transition zone between laser cladding and substrate.
建立了一种新的残余应力测量方法,并在反向推导的基础上推导出了残余应力的表达式。试验结果表明,熔覆层上层残余应力以拉应力形式存在,熔覆层与基体过渡区残余应力以压应力形式存在。
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引用次数: 0
Precise diagnosis and control of 1ω laser far-field spot intensity distribution on ICF driver ICF驱动器上1ω激光远场光斑强度分布的精确诊断与控制
Shunxing Tang, X. Ouyang, Kuixi Huang, B. Zhu, Zunqi Lin
This paper elucidated how to evaluate wavefront property by precisely diagnose far field distribution. A Ф350mm far field diagnostic device was designed to be applied on the 9th beam of Shenguang-II. The performance in 2007 indicated that 70% of total energy was focused in a 5 times of the diffraction limit diameter circle, while 95% of total energy was focused in a 13 times of the diffraction limit diameter circle.
本文阐述了如何通过精确诊断远场分布来评估波前特性。设计了用于神光二号9号光束的Ф350mm远场诊断装置。2007年的性能表明,70%的总能量集中在5倍衍射极限直径的圆内,95%的总能量集中在13倍衍射极限直径的圆内。
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引用次数: 1
Research on two-dimension scanning with laser based on CPLD 基于CPLD的激光二维扫描研究
Liu Li, Yan Li
By using good-direction, strong power and density of laser, designing optic pathes, scanning fast to objections. Two-dimension scanning technology is emphasized in the article. By use of CPLD and aptitude control technology, some objects' diameter and camber cann be tested, such as glass tubes, rods, wires and tube productions and so on, things' non-contract online detection technology is implemented well.
利用方向好、功率大、密度大的激光,设计光路,对目标进行快速扫描。本文着重介绍了二维扫描技术。利用CPLD和智能控制技术,可以对玻璃管、棒材、线材、管材制品等物体的直径和弧度进行检测,很好地实现了物体的非收缩在线检测技术。
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引用次数: 0
期刊
2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics
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