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CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.最新文献

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Integrated optical components based on planar photonic crystal waveguides with perturbed border holes 基于微扰边孔平面光子晶体波导的集成光学元件
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568365
T. Niemi, L. Frandsen, A. Harpoeth, P. Borel, Morten Rode Kristensen
{"title":"Integrated optical components based on planar photonic crystal waveguides with perturbed border holes","authors":"T. Niemi, L. Frandsen, A. Harpoeth, P. Borel, Morten Rode Kristensen","doi":"10.1109/CLEOE.2005.1568365","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568365","url":null,"abstract":"In this work, we have experimentally and by simulations investigated the effect of making small perturbations of the size of the border holes adjacent to the planar photonic crystal waveguide (PCW). The waveguide is created by removing one row of holes in the nearest-neighbour direction of air holes placed on a triangular lattice with pitch Lambda=380 nm in a silicon-on-insulator (SOI) material","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132226052","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
Characteristics of long period grating written in 980nm pumped Erbium doped fiber 980nm泵浦掺铒光纤长周期写入光栅的特性
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568343
R. Singh, E. Sharma
{"title":"Characteristics of long period grating written in 980nm pumped Erbium doped fiber","authors":"R. Singh, E. Sharma","doi":"10.1109/CLEOE.2005.1568343","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568343","url":null,"abstract":"In this paper, we have shown that LPGs written in an erbium doped fiber lead to new features in the attenuation of the grating at the resonance wavelength can be controlled by pump power of the EDF","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"291 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133155806","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
Modelling of a 2D photonic crystal waveguide pulse reshaper integrated with a SOA 集成SOA的二维光子晶体波导脉冲整形器的建模
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568382
T. Cao, M. Cryan, I. Craddock, S. Yu, J. Rorison, C. Railton, J. Zhang, I. Galbraith, T. Karle
{"title":"Modelling of a 2D photonic crystal waveguide pulse reshaper integrated with a SOA","authors":"T. Cao, M. Cryan, I. Craddock, S. Yu, J. Rorison, C. Railton, J. Zhang, I. Galbraith, T. Karle","doi":"10.1109/CLEOE.2005.1568382","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568382","url":null,"abstract":"In this paper, an arbitrary chirped pulse (ACP)-finite difference time domain (FDTD) method is developed where pulse data can be read in from a data file. This has allowed the FDTD code to be used in combination with a semiconductor optical amplifier (SOA) model to study 2R regeneration using 2D photonic crystal waveguide for sub-picosecond pulses","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"462 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114961650","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: 4
Scalable highly-anisotropic reactive ion etch on Si for nanophotonics 用于纳米光子学的可伸缩高各向异性反应离子蚀刻硅
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568381
Eih-Zhe Liang, Ching-Fuh Lin
{"title":"Scalable highly-anisotropic reactive ion etch on Si for nanophotonics","authors":"Eih-Zhe Liang, Ching-Fuh Lin","doi":"10.1109/CLEOE.2005.1568381","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568381","url":null,"abstract":"In this work, we demonstrate both scalability down to decanometer and high anisotropy up to 90% in fabrication of Si nanostructure by reactive ion etching. Silicon nanorods with 20 nm diameter size are fabricated on single-crystalline silicon surface","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132399812","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
Symmetrical iterative Fourier-transform algorithm using both phase and amplitude freedom for the design of diffractive beam shaping elements 采用相位自由和幅度自由的对称迭代傅立叶变换算法设计衍射光束整形元件
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568386
Jinsong Liu, M. Thomson, M. Taghizadeh
{"title":"Symmetrical iterative Fourier-transform algorithm using both phase and amplitude freedom for the design of diffractive beam shaping elements","authors":"Jinsong Liu, M. Thomson, M. Taghizadeh","doi":"10.1109/CLEOE.2005.1568386","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568386","url":null,"abstract":"In this paper, we present a symmetrical iterative Fourier transform algorithm (IFTA) using both the phase and amplitude freedom (SIFTA_(p+a)) for the design of diffractive beam shaping elements. This algorithm is compared to the GSA, IFTA_(p+a), and SIFTA_(p), which is symmetrical IFTA exclusively using phase freedom. We compare these four methods by employing them to a number of flat-top super-Gaussian (SG) beam shaping problems. In this paper the modified Fourier-domain constraint is decided automatically by iteration","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116561209","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: 1
Online diagnostics for laser cleaning of artworks 艺术品激光清洗在线诊断
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568453
K. Dickmann, M. Lentjes, J. Meijer
{"title":"Online diagnostics for laser cleaning of artworks","authors":"K. Dickmann, M. Lentjes, J. Meijer","doi":"10.1109/CLEOE.2005.1568453","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568453","url":null,"abstract":"In order to avoid over-cleaning during laser assisted restoration of artworks, several techniques have been developed. In contrast to approved laser induced breakdown spectroscopy using ICCD detectors, sensitivity and lambda-resolution is much less. However, it was found out that for monitoring during laser cleaning the complete (low resolution) spectrum may be used as an individual \"fingerprint\" of the layer just being laser irradiated","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"228 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121863242","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: 1
Surface and buried planar waveguide lasers based on KY(WO/sub 4/)/sub 2/2:Yb/sup 3+/ 基于KY(WO/sub 4/)/sub 2/2:Yb/sup 3+/的表面和埋地平面波导激光器
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568317
Y. Romanyuk, C. Borca, M. Pollnau, S. Rivier, V. Petrov, U. Griebner
{"title":"Surface and buried planar waveguide lasers based on KY(WO/sub 4/)/sub 2/2:Yb/sup 3+/","authors":"Y. Romanyuk, C. Borca, M. Pollnau, S. Rivier, V. Petrov, U. Griebner","doi":"10.1109/CLEOE.2005.1568317","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568317","url":null,"abstract":"Highly efficient CW laser emission based on thin layers of KY(WO <sub>4</sub>)<sub>2</sub>:Yb<sup>3+</sup> grown by liquid-phase epitaxy was demonstrated at room temperature","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122158921","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: 2
Transfection of cells using a violet diode laser for photoporation 用紫色二极管激光转染细胞进行光穿孔
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568410
B. Agate, L. Paterson, T. Lake, J.E. Morris, A. Carruthers, C. Brown, W. Sibbett, K. Dholakia, M. Comrie, R. Ferguson, P. Bryant, A. Riches, F. Gunn-Moore
{"title":"Transfection of cells using a violet diode laser for photoporation","authors":"B. Agate, L. Paterson, T. Lake, J.E. Morris, A. Carruthers, C. Brown, W. Sibbett, K. Dholakia, M. Comrie, R. Ferguson, P. Bryant, A. Riches, F. Gunn-Moore","doi":"10.1109/CLEOE.2005.1568410","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568410","url":null,"abstract":"The introduction and subsequent expression of foreign DNA inside living mammalian cells (transfection) is achieved by photoporation with a violet diode laser. We direct a compact 405 nm laser diode source into an inverted optical microscope configuration and expose cells to 0.3 mW for 40 ms. The localized optical power density of ~1200 MW/m2 is six orders of magnitude lower than that used in femtosecond photoporation (~104 TW/m2). The tightly focused laser beam (with a localised focal volume of ~10-19 m3 ) perforates the cell plasma membrane to allow uptake of plasmid DNA containing an antibiotic resistant gene as well as the green fluorescent protein (GFP) gene. Successfully transfected cells then expand into clonal groups which are used to create stable cell lines. The use of the violet diode laser offers a new and simple poration technique compatible with standard microscopes and is the simplest method of laser-assisted cell poration reported to date","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124742137","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
Biomedical material ablation by flexible-hollow-fiber-delivered double pulses 柔性中空纤维传送双脉冲消融生物医学材料
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568408
S. Takeda, Y. Hagiwara, M. Obara
{"title":"Biomedical material ablation by flexible-hollow-fiber-delivered double pulses","authors":"S. Takeda, Y. Hagiwara, M. Obara","doi":"10.1109/CLEOE.2005.1568408","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568408","url":null,"abstract":"In this study, we demonstrate a high quality beam delivery using a flexible small-core hollow fiber and the ablation processing of hydroxyapatite (HAp) and collagen with fs double pulses through a bending hollow fiber. HAp is a main component of bones and teeth. We adopted two new methods: One is the use of a hollow fiber with a 320-mum core diameter in order to improve the output beam intensity profile by eliminating the high order modes. The other one is an fs double pulse laser transmission scheme with a tailored ps-order delay time, which is earlier than the ablation onset. Since the optical damage threshold of the hollow fiber depends on the peak intensity of the incident laser pulse, therefore, the double pulse transmission enabled us to deliver higher pulse energies than the single pulse even by keeping the fs laser ablation characteristics. By adopting these two new methods of flexible hollow fiber, double pulse transmission and ablation processing, we delivered high energy enough to ablate HAp and collagen. We demonstrated the delivery of a near Gaussian output beam profile, and high ablation rates","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125619671","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: 3
Electromagnetic study of photonic crystal microcavities 光子晶体微腔的电磁研究
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568356
P. Lalanne, C. Sauvan, J. Hugonin
{"title":"Electromagnetic study of photonic crystal microcavities","authors":"P. Lalanne, C. Sauvan, J. Hugonin","doi":"10.1109/CLEOE.2005.1568356","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568356","url":null,"abstract":"We present a theoretical and numerical study of light confinement in optical microcavities, like PC air-bridge, micropillar and PC microcavity in a semiconductor membrane. Different physical mechanisms for the light confinement are identified","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124151895","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
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