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CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference最新文献

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Efficient polarization switching with holographic cut cubic crystals 全息切割立方晶体的高效偏振开关
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5196321
L. Canova, S. Kourtev, N. Minkovski, A. Jullien, O. Albert, R. Lopez Martens, S. Saltiel
{"title":"Efficient polarization switching with holographic cut cubic crystals","authors":"L. Canova, S. Kourtev, N. Minkovski, A. Jullien, O. Albert, R. Lopez Martens, S. Saltiel","doi":"10.1109/CLEOE-EQEC.2009.5196321","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5196321","url":null,"abstract":"Nonlinear optical transformation from one linear polarization state to another perpendicularly polarized, attracted interest in recent years primarily as a method to increase the temporal contrast of femtosecond pulses [1]. This is crucially important for the interaction of ultra-intense femtosecond laser pulses with solid-state targets. All efficient schemes realized so far use [001] cut (z-cut) BaF2 samples. It is of great interest to search for new types of crystals and/or for different orientations that can yield higher efficiencies. We report here results with holographic-cut BaF2 samples that proved to be 30 % more efficient generator of cross-polarized wave (XPW) than the previously used z-cut.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130596499","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
Intra-cavity frequency doubling of an electrically pumped edge-emitting 980 nm laser diode with PPLN 带PPLN的980 nm电泵边发射激光二极管的腔内倍频
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5192088
Kang Li, A. Yao, N. Copner, C. Gawith, I. Knight
{"title":"Intra-cavity frequency doubling of an electrically pumped edge-emitting 980 nm laser diode with PPLN","authors":"Kang Li, A. Yao, N. Copner, C. Gawith, I. Knight","doi":"10.1109/CLEOE-EQEC.2009.5192088","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192088","url":null,"abstract":"The growing trend for laser-based projection displays makes intra-cavity frequency doubling (ICFD) of electrically and optically surface emitting diode lasers in the near IR region become more interesting [1–3]. In this letter, we demonstrate for the first time to our knowledge ICFD of an edge emitting laser diode using a periodically poled lithium niobate (PPLN) bulk crystal, which has the potential to be scalable to high production volumes and low costs with immense implication for industrial applications.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123897422","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
Enhancement effect of THz emission and detection by THz one-dimensional photonic crystal with a nonlinear material 非线性材料的太赫兹一维光子晶体对太赫兹发射和探测的增强效应
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5191760
H. Shirai, K. Hattori, S. Koshiba, S. Nakanishi, H. Itoh, K. Takano, M. Hangyo, Tae Geun Kim, N. Tsurumachi
{"title":"Enhancement effect of THz emission and detection by THz one-dimensional photonic crystal with a nonlinear material","authors":"H. Shirai, K. Hattori, S. Koshiba, S. Nakanishi, H. Itoh, K. Takano, M. Hangyo, Tae Geun Kim, N. Tsurumachi","doi":"10.1109/CLEOE-EQEC.2009.5191760","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5191760","url":null,"abstract":"Recently, several terahertz (THz) wave technologies have been developed not only for spectroscopy of materials but also for application such as imaging for advanced medical science and a security service. However, still now there are some problems in the THz spectroscopic system. For example, the generated THz intensity is not so strong in standard laboratory system. Therefore, a development of lower-priced THz spectroscopic systems with a bright emitter and a sensitive detector is necessary. For this purpose, we utilized one-dimensional photonic crystals (1D-PCs) with a nonlinear optical material as the THz emitter and the detector.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123932800","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
Terahertz quantum cascade laser sources for high temperature operation 用于高温操作的太赫兹量子级联激光源
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5192584
M. Belkin
{"title":"Terahertz quantum cascade laser sources for high temperature operation","authors":"M. Belkin","doi":"10.1109/CLEOE-EQEC.2009.5192584","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192584","url":null,"abstract":"Terahertz quantum cascade lasers are currently the most advanced electrically-pumped semiconductor lasers in the spectral range 1-5 THz. However, their operation at room-temperature is still an unresolved challenge. I will discuss factors that currently limit the operation of these devices to cryogenic temperatures and describe the recent results of our work to improve the operating temperatures of terahertz quantum cascade lasers through innovative active region and waveguide designs, and through using nonlinear optical effects to produce coherent terahertz radiation without population inversion across the terahertz transition. In particular, I will describe terahertz quantum cascade lasers that achieved record operating temperatures in the frequency range from 2.3 to 3.8 THz and report on our progress in developing terahertz quantum cascade laser sources based on intra-cavity nonlinear frequency mixing.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123979458","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
Impact of lithographic irregularity across mm-scale photonic-crystal notch filters 毫米尺度光子晶体陷波滤波器光刻不均匀性的影响
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5194810
A. Talneau, F. Lemarchand, A. Fehrembach, A. Sentenac
{"title":"Impact of lithographic irregularity across mm-scale photonic-crystal notch filters","authors":"A. Talneau, F. Lemarchand, A. Fehrembach, A. Sentenac","doi":"10.1109/CLEOE-EQEC.2009.5194810","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5194810","url":null,"abstract":"We investigate the impact of electronic lithography writing conditions on the performances of two-dimensional grating notch filters fabricated on SiO2/Ta2O5 stack. Field stitching errors as well as electron beam writing step are considered.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"267 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123457068","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
Whispering Gallery Mode microresonator stabilized fiber loop laser 窃窃廊模式微谐振腔稳定光纤环路激光器
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5192918
B. Sprenger, H. Schwefel, Lijun Wang
{"title":"Whispering Gallery Mode microresonator stabilized fiber loop laser","authors":"B. Sprenger, H. Schwefel, Lijun Wang","doi":"10.1109/CLEOE-EQEC.2009.5192918","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192918","url":null,"abstract":"Whispering Gallery Mode (WGM) resonators have very high intrinsic Q-values and are thus an excellent candidate for passive compact laser stabilization. An Erbium-doped fiber loop laser was stabilized by incorporating a microsphere into the loop. Environmental control of the cavity allows for precise and continuous tuning over a few GHz.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123486892","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
Terahertz radiation mechanism in a laser plasma filament 激光等离子体灯丝中的太赫兹辐射机制
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5191552
Hui-Chun Wu, J. Meyer-ter-Vehn
{"title":"Terahertz radiation mechanism in a laser plasma filament","authors":"Hui-Chun Wu, J. Meyer-ter-Vehn","doi":"10.1109/CLEOE-EQEC.2009.5191552","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5191552","url":null,"abstract":"Since 1993, the first experiment [1] already shows there are strong terahertz (THz) radiations when an intense laser pulse is focused into gas. More recently, delicate experiments [2] display conical forward THz emission from a femtosecond laser filament, which is explained by a transition-Cherenkov radiation (TKR) model [3]. In fact, there is a long dispute about THz emission mechanism in a laser plasma filament [4].","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121168888","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
Synchronized actively Q-switched Nd:YAG laser generating 3 W average power at 589 nm 同步主动调q Nd:YAG激光器在589 nm处产生3w的平均功率
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5192926
M. Thorhauge, J. Mortensen, Jesper R. Rasmussen
{"title":"Synchronized actively Q-switched Nd:YAG laser generating 3 W average power at 589 nm","authors":"M. Thorhauge, J. Mortensen, Jesper R. Rasmussen","doi":"10.1109/CLEOE-EQEC.2009.5192926","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192926","url":null,"abstract":"Yellow-orange light in the range 580–600 nm is one of the remaining laser lines not reachable by direct emission from solid-state, crystal based laser materials, or by Second Harmonic Generation (SHG). Q-switched sources in this wavelength range are of importance in areas such as medicine, isotope separation, and fluorescence analysis. In this paper we present a new scheme for generating 589 nm light with good efficiency and high power.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121259181","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
Controlling linear and nonlinear optical properties associated with surface plasmon resonance effect of colloidal gold nanoparticles 胶体金纳米颗粒表面等离子体共振效应的线性和非线性光学特性控制
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5196444
M. Alencar, E. Fonseca, C. E. A. Santos, S. F. Moraes, M. Gelesky, M. Meneghetti, J. Hickmann
{"title":"Controlling linear and nonlinear optical properties associated with surface plasmon resonance effect of colloidal gold nanoparticles","authors":"M. Alencar, E. Fonseca, C. E. A. Santos, S. F. Moraes, M. Gelesky, M. Meneghetti, J. Hickmann","doi":"10.1109/CLEOE-EQEC.2009.5196444","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5196444","url":null,"abstract":"Metallic nanoparticles have been intensively investigated aiming the development of more efficient nonlinear materials. Owing to the surface plasmon excitation and the enhancement of local field effects, metallic nanostructured solids and colloids may present large local and nonlocal nonlinear optical responses [1–3]. However, gold nanoparticles (AuNP) agglomeration in solid hosts or colloids is a drawback for their use in optical applications. Recently, we have shown that castor oil can be used as stabilizer for colloids containing AuNP [4]. Nevertheless, there is a huge interest to develop other synthetic methods that produce stable colloids, with an effective control over the surface plasmon resonance (SPR) of AuNP.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114557031","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
Probing the conformation-dependent properties of β-glucan in laminarin by Terahertz time-domain spectroscopy 用太赫兹时域光谱研究层粘胶蛋白中β-葡聚糖的构象依赖性
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI: 10.1109/CLEOE-EQEC.2009.5191519
Hee Jun Shin, Seung Jae Oh, Sung In Kim, Ha Won Kim, J. Son
{"title":"Probing the conformation-dependent properties of β-glucan in laminarin by Terahertz time-domain spectroscopy","authors":"Hee Jun Shin, Seung Jae Oh, Sung In Kim, Ha Won Kim, J. Son","doi":"10.1109/CLEOE-EQEC.2009.5191519","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5191519","url":null,"abstract":"β-glucans are polysaccharides distributed in various plants such as fungi, algae and mushrooms. β-glucans have been studied for their anti-tumor properties as they activate the immune responses of human cells such as natural killer cell (NK-cell), T-cell or macrophage [1]. β-glucans are combined as a triple-stranded helix (TSH) structure by the intermolecular hydrogen bonds between the O-H molecules. The correlation between the immune activities and structures of β-glucans has also been studied because the single-stranded helix (SSH) β-glucans can be denatured from the TSH by a chemical treatment and they are known to have different immune properties [2].","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116327876","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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