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国家自然科学基金(61205071)

作品数:6 被引量:3H指数:1
相关作者:柳春郁蒋式弘高来勖安旭叶红安更多>>
相关机构:黑龙江大学圣安德鲁斯大学更多>>
发文基金:国家自然科学基金黑龙江省海外学人科研资助项目黑龙江省自然科学基金更多>>
相关领域:理学电子电信机械工程更多>>

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Low-cost,high performance surface plasmon resonance-compatible films characterized by the surface plasmon resonance technique被引量:2
2013年
A new analytical method based on the surface plasmon resonance (SPR) technique is presented, with which SPR curves for both wavelength and angular modulations can be obtained simultaneously via only a single scan of the incident angle. Using this method, the SPR responses of TiO2-coated Cu films are characterized in the wavelength range from 600 nm to 900 nm. For the first time, we determine the effective optical constants and the thicknesses of TiO2-coated Cu films using the SPR curves of wavelength modulation. The sensitivities of prism-based SPR refractive index sensors using TiO2-coated Cu films are investigated theoretically for both wavelength and angular modulations, the results show that in the case of sensitivity with wavelength modulation, TiO2-coated Cu films are not as good as the Au film, however, they are more suitable than the Au film for SPR refractive index sensors with angular modulation because a higher sensitivity can be achieved.
李松权叶红安柳春郁窦寅丰黄妍
Design of transverse magnetic-reflected polarizing f ilm
2014年
We propose a wideband transverse magnetic-reflected polarizing film composed of Cr and SiO2. Based on the polarization characteristics of reflected light from Cr/SiO2 film, the film can serves as a polarizer to severely attenuate the transverse electric (TE)-polarized light and reflect the transverse magnetic (TM)- polarized light in a wavelength range from 600 to 900 nm. By suitably choosing the film thicknesses, the operation angles of such polarizers can be adjusted over a wide angle range greater than the critical angle of total reflection. Cr/SiO2 film has potential use in surface plasmon resonance (SPR) sensors based on Kretchmann configuration to form integrated structures.
李松权高来勖刘书钢柳春郁黄妍叶红安
基于流量门限的提前预留竞争解决机制(英文)
2014年
基于小尺寸缓存的提前预留机制是有效的竞争解决方案.为支持区分服务,本文研究了两优先级提前预留机制的阻塞模型,分析了变化缓存尺寸与载荷比率条件下光突发交换网络核心节点的阻塞性能.为降低两优先级提前预留机制的突发丢弃率,提出一种基于流量门限的提前预留机制.数值分析确定了合理的缓存尺寸与流量门限,实现了高、低优先级间的缓存使用平衡.仿真结果表明:与原有提前预留机制相比,基于流量门限的提前预留机制保持了全流量状态范围内的阻塞性能,并明显降低了中、低流量状态内的突发丢弃率.
杨九如王晓飞柳春郁丁群
关键词:光突发交换缓存
基于狭缝扫描的表面等离子体共振成像被引量:1
2014年
利用表面等离子体共振技术进行电介质样品成像研究.采用高数值孔径显微物镜作为耦合元件,632.8nm He-Ne激光会聚激发金膜产生表面等离子体共振,通过狭缝光阑限制光束入射角,对金膜上的氮化硅光栅进行成像.反射光由放置在样品像方共轭面上的CCD摄像机接收,获得样品的表面等离子体共振像.通过扫描移动狭缝,得到入射角从44°至54°的扫描样品图像,从图像中提取样品各点的表面等离子体共振曲线,由计算机重构出样品的表面等离子体共振角谱灰度图.
高来勖李松权叶红安刘书钢蒋式弘柳春郁安旭
关键词:物理光学表面等离子体共振显微物镜
耦合型光纤滤波器的特性分析
2013年
光纤滤波器在光纤通信和光纤激光器制作中发挥着重要的作用。通过对耦合理论分析,利用宽带光源和光谱仪构建测试系统,测试了耦合型光纤滤波器光谱响应,研究了不同拉锥周期与透射波长的关系。实验表明,拉锥周期越长,透射波长峰值间隔越密集,光谱响应更加敏感。因此可以利用这一特性制作不同透射波长、不同滤波间隙的光纤滤波器。
陈金鹏张少先柳春郁
关键词:光纤滤波器
Influence of surface roughness on surface plasmon resonance phenomenon of gold film
2016年
We experimentally investigate the effects of the surface roughness of gold thin films on the properties of surface plasmon resonance. By annealing at different temperatures, film samples with different surface morphologies are obtained. Specifically, due to the diffusion of the gold atoms towards the films' surface, the surface root- mean-square roughness decreases with the increasing annealing temperature. Then, we measure the surface plasmon resonance of the samples. The results show that the resonance angle of the surface plasmon resonance is sensitive to the root-mean-square roughness, and it gradually decreases by reducing the surface root-mean-square roughness.
杨志韬刘昌健高亚臣王纪钰杨文龙
关键词:GOLDPLASMONSRESONANCE
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