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2007 Quantum Electronics and Laser Science Conference最新文献

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Laser processing in printform fabrication 激光加工在印刷制造中的应用
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431520
G. Hennig, K. Selbmann, S. Bruning
{"title":"Laser processing in printform fabrication","authors":"G. Hennig, K. Selbmann, S. Bruning","doi":"10.1109/QELS.2007.4431520","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431520","url":null,"abstract":"Laser engraving is the fastest and most versatile process for gravure cylinder fabrication. New experiments with high power fiber lasers (cw lasers and pulsed MOPA systems) resulted in improved cell precision, screen resolution and efficiency.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133730360","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
Linear, spatio-temporal characterization of UV microscope objectives for nonlinear imaging and spectroscopy 用于非线性成像和光谱学的紫外显微镜物镜的线性、时空表征
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/CLEO.2007.4453508
D. Schafer, W. Amir, C. Durfee, J. Squier, E. Gibson, Lauren E. Kost, R. Jimenez
{"title":"Linear, spatio-temporal characterization of UV microscope objectives for nonlinear imaging and spectroscopy","authors":"D. Schafer, W. Amir, C. Durfee, J. Squier, E. Gibson, Lauren E. Kost, R. Jimenez","doi":"10.1109/CLEO.2007.4453508","DOIUrl":"https://doi.org/10.1109/CLEO.2007.4453508","url":null,"abstract":"Spectral interferometry coupled to numerical wave propagation is used to extract the spatial and temporal characteristics of an ultraviolet objective used for nonlinear imaging and spectroscopy.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133798208","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
Search for negative refraction and focusing at optical wavelengths: Imaging of quantum dots fluorescence in opal photonic crystals 在光学波长上寻找负折射和聚焦:蛋白石光子晶体中量子点荧光的成像
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431014
Joshua Rous, R. Moussa, A. Aliev, A. Zakhidov
{"title":"Search for negative refraction and focusing at optical wavelengths: Imaging of quantum dots fluorescence in opal photonic crystals","authors":"Joshua Rous, R. Moussa, A. Aliev, A. Zakhidov","doi":"10.1109/QELS.2007.4431014","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431014","url":null,"abstract":"Summary form only given. The talk overviews the efforts to achieve negative refraction (NR) in visible and IR by systems, having negative group velocity: photonic crystals (PC) and other systems with strong spatial dispersion of dielectric function, such as gyrotropic crystals and polaritonic media. To search the NR in PCs the fluorescence of CdS and CdSe quantum dots (QD) impregnated into porous silica and polysterene opal photonic crystals have been compared for QDs of different sizes. Spatial distribution of light is visualized by confocal fluorescent microscopy for QDs emitting in blue, green and red spectral bands and compared for PCs matrices having photonic band gaps in different spectral bands. It is found that spatial distribution of fluorescence emission from single QDs and small aggregates of QD is significantly different for QD with fluorescent lines below, within and above PBG frequency in [111]direction. We discuss this different spatial fluorescent patterns in terms of negative refraction in upper photonic bands, which have negative group velocity. The light from QD in the upper band creates patterns, which can be interpreted as due to focusing by the interface between media with positive and negative refraction. We analyze the fluorescence patterns of same size QD in inverted opals, and opals with strong disordering.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115672814","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
Cusp solitons in exponentially nonlinear nanosuspensions 指数非线性纳米悬浮液中的尖孤子
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431580
R. El-Ganainy, K. Makris, D. Christodoulides, C. Rothchild, M. Segev
{"title":"Cusp solitons in exponentially nonlinear nanosuspensions","authors":"R. El-Ganainy, K. Makris, D. Christodoulides, C. Rothchild, M. Segev","doi":"10.1109/QELS.2007.4431580","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431580","url":null,"abstract":"We show that cusp-like solitons are possible in exponentially nonlinear nano-particle suspensions. The dynamics and stability properties of this new class of waves are examined in detail.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114632471","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
Pulse-induced mutual coherence of the self-assembled quantum dots photoluminescence 自组装量子点光致发光的脉冲诱导互相干性
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431597
L. Zeylikovich, R. Alfano
{"title":"Pulse-induced mutual coherence of the self-assembled quantum dots photoluminescence","authors":"L. Zeylikovich, R. Alfano","doi":"10.1109/QELS.2007.4431597","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431597","url":null,"abstract":"Experiments show that a quantum dots ensemble¿s emission is partially mutually coherent under a laser excitation pulses with duration shorter than 600 fs. A possible pulse induced coherent superradiance predicted by Dicke is discussed.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116869527","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
Slow-light soliton dynamics with relaxation 带松弛的慢光孤子动力学
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431584
I. Vadeiko, A. Rybin, A. Bishop
{"title":"Slow-light soliton dynamics with relaxation","authors":"I. Vadeiko, A. Rybin, A. Bishop","doi":"10.1109/QELS.2007.4431584","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431584","url":null,"abstract":"We solved the problem of soliton dynamics in the presence of relaxation. We demonstrate that the spontaneous emission of atoms is strongly suppressed due to nonlinearity. The spatial shape of the soliton is well preserved.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116294660","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
Quadratic solitons in 2D nonlinear photonic crystals 二维非线性光子晶体中的二次孤子
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431579
K. Gallo, A. Pasquazi, S. Stivala, G. Assanto
{"title":"Quadratic solitons in 2D nonlinear photonic crystals","authors":"K. Gallo, A. Pasquazi, S. Stivala, G. Assanto","doi":"10.1109/QELS.2007.4431579","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431579","url":null,"abstract":"We report on the first observation of spatial solitons in a 2D nonlinear photonic crystal. The experiments were performed in an hexagonally poled LiNbO3 waveguide designed for second harmonic generation from ~1.55 ¿m.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121952422","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
6.4W, narrow-line CW bismuth-doped fiber laser for frequency doubling to 590nm 6.4W，窄线连续掺铋光纤激光器，倍频至590nm
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431294
A. Rulkov, A. Ferin, S. Popov, J. Taylor, I. Razdobreev, L. Bigot, G. Bouwmans
{"title":"6.4W, narrow-line CW bismuth-doped fiber laser for frequency doubling to 590nm","authors":"A. Rulkov, A. Ferin, S. Popov, J. Taylor, I. Razdobreev, L. Bigot, G. Bouwmans","doi":"10.1109/QELS.2007.4431294","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431294","url":null,"abstract":"6.4W lasing output at 1178nm is obtained from a Bismuth-doped fiber laser pumped by 50W CW Ytterbium fiber laser. Narrow, below 0.2nm, linewidth shows a potential for frequency doubling to 589.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122135376","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
Giant magnetoelastic effect in multiferroic Ba0.6Sr1.4Zn2Fe12O22 多铁性Ba0.6Sr1.4Zn2Fe12O22的巨磁弹性效应
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431812
D. Talbayev, R. Averitt, A. Taylor, Tsuyoshi Kimura
{"title":"Giant magnetoelastic effect in multiferroic Ba0.6Sr1.4Zn2Fe12O22","authors":"D. Talbayev, R. Averitt, A. Taylor, Tsuyoshi Kimura","doi":"10.1109/QELS.2007.4431812","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431812","url":null,"abstract":"We report a giant magnetoelastic effect in multiferroic Ba0.6Sr1.4Zn2Fe12O22 measured by ultrafast pump-probe spectroscopy. Coherent phonon excitation allows to measure the field- induced changes in the speed of sound and the corresponding elastic stiffness.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116820557","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
Subwavelength focusing of light without evanescent waves by an array of nanoholes 通过纳米孔阵列实现无倏逝波的亚波长聚焦
2007 Quantum Electronics and Laser Science Conference Pub Date : 2007-05-06 DOI: 10.1109/QELS.2007.4431694
Fu Min Huang, Yifang Chen, F. D. de Abajo, N. Zheludev
{"title":"Subwavelength focusing of light without evanescent waves by an array of nanoholes","authors":"Fu Min Huang, Yifang Chen, F. D. de Abajo, N. Zheludev","doi":"10.1109/QELS.2007.4431694","DOIUrl":"https://doi.org/10.1109/QELS.2007.4431694","url":null,"abstract":"We provide the first evidence of free-space subwavelength focusing without evanescent fields using a photonic nano-structure. Hot-spots smaller than half of the wavelength were observed at distances of tens of wavelengths from the structure.","PeriodicalId":152616,"journal":{"name":"2007 Quantum Electronics and Laser Science Conference","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116837479","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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