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

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Fractional spectral talbot effect in sampled variable-chirp fibre Bragg gratings for multi-wavelength operation 用于多波长工作的可变啁啾采样光纤布拉格光栅中的分数谱塔尔博特效应
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568336
D. Kinet, D. Giannone, D. Hamoir, L.R. Chen
{"title":"Fractional spectral talbot effect in sampled variable-chirp fibre Bragg gratings for multi-wavelength operation","authors":"D. Kinet, D. Giannone, D. Hamoir, L.R. Chen","doi":"10.1109/CLEOE.2005.1568336","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568336","url":null,"abstract":"We propose to tune the chirp of a sampled fibre Bragg grating to verify several spectral fractional Talbot conditions with the same device. This variable, multi-peak component opens perspectives in particular for advanced laser design","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"1 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":"122959798","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
Study of keyhole geometry for full penetration Nd-Yag CW laser welding Nd-Yag连续波激光全熔透小孔几何形状研究
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568435
R. Fabbro, F. Coste, S. Slimani, F. Briand
{"title":"Study of keyhole geometry for full penetration Nd-Yag CW laser welding","authors":"R. Fabbro, F. Coste, S. Slimani, F. Briand","doi":"10.1109/CLEOE.2005.1568435","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568435","url":null,"abstract":"The understanding of keyhole behavior is always a topic of great importance where many questions are still of concern. We have analyzed the keyhole dynamics in the case of a very simple configuration where we have used full penetration laser welding conditions. We will present the results of the study of these welding configurations, where experimentally a 4 kW Nd:YAG laser has been used, characterized with a 0.4 mm spot diameter and a \"top-hat\" intensity distribution","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"136 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":"115881607","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
A nonlinear optical microscope based on double-clad photonic crystal fibers 基于双包层光子晶体光纤的非线性光学显微镜
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568412
L. Fu, X. Gan, M. Gu
{"title":"A nonlinear optical microscope based on double-clad photonic crystal fibers","authors":"L. Fu, X. Gan, M. Gu","doi":"10.1109/CLEOE.2005.1568412","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568412","url":null,"abstract":"Nonlinear optical microscopy by using nonlinear optical effects such as two-photon absorption and second harmonic generation (SHG) exhibits advantages of intrinsic sectioning ability, direct imaging of highly polarisable structures, and deep optical penetration. To achieve a compact and miniature microscope, flexible fiber-optic components such as optical fibers and optical fiber couplers are usually integrated into the imaging system to replace complicated bulk optics. More recently, the emergency of photonic crystal fibers (PCF) has been a renaissance of fundamental research and development on optical fibers. Several attractive properties of double-clad PCF, including a large mode area in the core for single-mode delivery and high N.A. in the inner cladding for signal collection, may add a new dimension in the conventional fiber-optic nonlinear microscopy","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":"114694083","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
Diffraction regime of an intracavity thin grating 腔内薄光栅的衍射谱
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568377
A. Moreau, I. Zaquine, A. Maruani, R. Frey
{"title":"Diffraction regime of an intracavity thin grating","authors":"A. Moreau, I. Zaquine, A. Maruani, R. Frey","doi":"10.1109/CLEOE.2005.1568377","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568377","url":null,"abstract":"In this paper, we propose to investigate the case when both the incident beam and the main diffraction order are Fabry-Perot resonant, at Bragg incidence on a thin unslanted grating. We calculate the intensities of the most important diffraction orders and show what conditions must be fulfilled to obtain a Bragg diffraction regime where all diffracted energy is concentrated in a single diffraction order","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"18 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":"121830388","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
Sub-micron all-optical memory and large scale integration in photonic crystals 光子晶体中的亚微米全光存储与大规模集成
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568364
M. Yanik, H. Altug, J. Vučković, S. Fan
{"title":"Sub-micron all-optical memory and large scale integration in photonic crystals","authors":"M. Yanik, H. Altug, J. Vučković, S. Fan","doi":"10.1109/CLEOE.2005.1568364","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568364","url":null,"abstract":"We demonstrate ultra-high speed, low-power and digital all-optical memory action in photonic nanostructures. We show how large-scale on-chip integration of all-optical devices can be achieved without any optical isolators, even in the presence of reflections","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"16 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":"123714757","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
Regeneratively mode-locked fiber laser constructed with a birefringence loop mirror filter 双折射环形反射滤波器构造的再生锁模光纤激光器
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568327
W.W. Tang, M. Fok, C. Shu
{"title":"Regeneratively mode-locked fiber laser constructed with a birefringence loop mirror filter","authors":"W.W. Tang, M. Fok, C. Shu","doi":"10.1109/CLEOE.2005.1568327","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568327","url":null,"abstract":"We demonstrate a 10-GHz regeneratively mode-locked fiber laser using a birefringence loop mirror filter. The operating frequency is determined by the free-spectral-range of the filter and the component is extracted optically from the ring laser output","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"7 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":"115303275","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
Dissipative soliton interactions in laser systems 激光系统中的耗散孤子相互作用
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568324
J. Soto-Crespo, N. Akhmediev
{"title":"Dissipative soliton interactions in laser systems","authors":"J. Soto-Crespo, N. Akhmediev","doi":"10.1109/CLEOE.2005.1568324","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568324","url":null,"abstract":"A bound state, formed by two dissipative solitons, may have a velocity which differs from that of a single soliton. As a result, these bound states can collide with single solitons with a variety of outcomes","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"27 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":"122840859","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
Towards ultra-compact optical tweezers without external optics 朝着无外部光学器件的超紧凑光学镊子的方向发展
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568409
A. Kroner, F. Rinaldi, I. Kardosh, R. Michalzik
{"title":"Towards ultra-compact optical tweezers without external optics","authors":"A. Kroner, F. Rinaldi, I. Kardosh, R. Michalzik","doi":"10.1109/CLEOE.2005.1568409","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568409","url":null,"abstract":"In this paper, demonstration shows that the optical power level necessary for particle trapping can be achieved by lensed VCSELs. Therefore, the next step will be to adopt lensed VCSELs in integrated optical tweezers. Nowadays, commercial optical tweezers are mainly based on Nd:YAG lasers or edge-emitting laser diodes which are either bulky or need careful external beam correction. Here, the use of vertical-cavity surface-emitting lasers (VCSELs) yields various benefits like micrometer size dimensions, a Gaussian output beam and the fabrication of monolithic two-dimensional laser arrays with which multiple tweezers can be easily realized","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"1 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":"129104467","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
Microscopic and mean-field dynamics of cold atoms in optical lattices 光学晶格中冷原子的微观和平均场动力学
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568484
A. Kolovsky, J. Brand, A. Ponomarev, A. Buchleitner
{"title":"Microscopic and mean-field dynamics of cold atoms in optical lattices","authors":"A. Kolovsky, J. Brand, A. Ponomarev, A. Buchleitner","doi":"10.1109/CLEOE.2005.1568484","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568484","url":null,"abstract":"The Bloch dynamics of degenerate cold atoms in optical lattices is a paradigmatic problem of quantum transport theory, arid under virtually perfect experimental control. If a Bose-Einstein condensate (BEC) is loaded into truly 1D lattices, and for sufficiently small filling factors, the problem can be treated within the Bose-Hubbard model. The nonlinearity can stabilise the BEC against dispersion whilst moving across the lattice, giving rise to soliton-like solutions","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"2015 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":"127607582","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
Inscription of long-period fibre gratings by high-intensity femtosecond radiation at 211 nm 21nm高强度飞秒辐射刻蚀长周期光纤光栅
CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005. Pub Date : 2005-06-17 DOI: 10.1109/CLEOE.2005.1568326
A. Kalachev, D. N. Nikogosyan, G. Brambilla
{"title":"Inscription of long-period fibre gratings by high-intensity femtosecond radiation at 211 nm","authors":"A. Kalachev, D. N. Nikogosyan, G. Brambilla","doi":"10.1109/CLEOE.2005.1568326","DOIUrl":"https://doi.org/10.1109/CLEOE.2005.1568326","url":null,"abstract":"In this study we used the fifth harmonic of a femtosecond Nd:glass laser for long-period fibre gratings (LPFG) fabrication in a hydrogenated SMF-28 fibre. In this case, the total excitation energy of two-quantum excitation reaches the value of about 11.7 eV, which is significantly higher than the bandgap energy value of 7.1 eV for Ge-doped fused silica","PeriodicalId":354643,"journal":{"name":"CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.","volume":"57 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":"126613294","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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