| 影响近场光纤探针传输效率的若干因素 |
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| 引用本文： | Huang W,Dai ST,Wang HY,Zhou YS. 影响近场光纤探针传输效率的若干因素[J]. 光谱学与光谱分析, 2011, 31(10): 2602-2605. DOI: 10.3964/j.issn.1000-0593(2011)10-2602-04 |
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| 作者姓名： | Huang W Dai ST Wang HY Zhou YS |
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| 作者单位： | 1. 清华大学物理系,北京,100084
2. 首都师范大学物理系,北京,100048 |
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| 基金项目： | 国家自然科学基金项目(11074145,10574081)资助 |
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| 摘 要： | 近场光学技术在高分辨率成像、光谱探测和纳米加工等领域有广泛应用,而光纤探针是其中一个关键部件.如何提高光纤探针的传输效率是近场光学技术应用中的一个重要问题.本文采用三维时域有限差分方法,计算了锥形有孔探针的传输效率,分析了锥角、针尖孔径、波长和金属层厚度等因素对光纤探针传输效率的影响,并比较了裸光纤探针和有金属涂层的光...
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| 关 键 词： | 近场光纤探针 时域有限差分方法 传输效率 |
Transmission efficiency analysis of near-field fiber probe using FDTD simulation |
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| Huang Wei,Dai Song-Tao,Wang Huai-Yu,Zhou Yun-Song. Transmission efficiency analysis of near-field fiber probe using FDTD simulation[J]. Spectroscopy and Spectral Analysis, 2011, 31(10): 2602-2605. DOI: 10.3964/j.issn.1000-0593(2011)10-2602-04 |
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| Authors: | Huang Wei Dai Song-Tao Wang Huai-Yu Zhou Yun-Song |
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| Affiliation: | HUANG Wei1,DAI Song-tao1*,WANG Huai-yu1,ZHOU Yun-song21.Department of Physics,Tsinghua University,Beijing 100084,China2.Department of Physics,Capital Normal University,Beijing 100048,China |
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| Abstract: | A fiber probe is the key component of near-field optical technology which is widely used in high resolution imaging,spectroscopy detection and nano processing.How to improve the transmission efficiency of the fiber probe is a very important problem in the application of near-field optical technology.Based on the results of 3D-FDTD computation,the dependence of the transmission efficiency on the cone angle,the aperture diameter,the wavelength and the thickness of metal cladding is revealed.The authors have a... |
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| Keywords: | Near-field fiber probe Finite-difference time-domain method Transmission efficiency |
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