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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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A widely-variable optical attenuator for multimode fibers with a MEMS micromirror 基于MEMS微镜的多模光纤宽可变光衰减器
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.2009.5194745
M. Fujino, Hirotake Maruyama, Y. Goto, Michiko Nakanishi, A. Kobayashi, H. Kawashima, T. Yuasa, I. Ishinabe, H. Tamura
{"title":"A widely-variable optical attenuator for multimode fibers with a MEMS micromirror","authors":"M. Fujino, Hirotake Maruyama, Y. Goto, Michiko Nakanishi, A. Kobayashi, H. Kawashima, T. Yuasa, I. Ishinabe, H. Tamura","doi":"10.1109/CLEOE-EQEC.2009.5194745","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5194745","url":null,"abstract":"MEMS-based variable optical attenuators (VOAs) using a shutter, a mirror, or a grating have been proposed in the field of optical telecommunication [1]. The MEMS-based VOAs used in optical telecommunication, however, are not suitable for optical instruments, in which a light beam is not always single mode ( i.e. is low spatially coherent) and optical power to be regulated can substantially vary (≫ 40 dB).","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"16 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":"124778087","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
Nonlinear laser optoacoustics of cracks in light-absorbing materials 吸光材料裂纹的非线性激光光声
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.2009.5196251
N. Chigarev, J. Zakrzewski, Vincent Tournat, V. Gusev
{"title":"Nonlinear laser optoacoustics of cracks in light-absorbing materials","authors":"N. Chigarev, J. Zakrzewski, Vincent Tournat, V. Gusev","doi":"10.1109/CLEOE-EQEC.2009.5196251","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5196251","url":null,"abstract":"The advantages of laser optoacoustic technique [1] in comparison with the traditional acoustic methods based on piezo-transducers are very high space and time resolutions and the absence of contact to the sample. They make this technique very promising for numerous tasks of non-destructive testing (NDT). In addition, the nonlinear acoustic techniques in NDT should provide an improvement of contrast of defects detection of closed cracks [2]. The goal of our work is the application of nonlinear acoustic methods in laser optoacoustics. It is expected, that such a combination of two modern techniques should find an application in the industry.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"64 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":"124827618","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
Fabrication of micro-channels and waveguides by fs-laser direct writing in glasses 光纤激光直写玻璃微通道和波导的制备
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.2009.5191724
J. Gottmann, D. Esser, M. Horstmann-Jungemann
{"title":"Fabrication of micro-channels and waveguides by fs-laser direct writing in glasses","authors":"J. Gottmann, D. Esser, M. Horstmann-Jungemann","doi":"10.1109/CLEOE-EQEC.2009.5191724","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5191724","url":null,"abstract":"Compact lasers with emission e.g. in the visible spectral range are eligible for display technology, medicine and cosmetics. Erbium- and Praseodym-doped fluoride glass materials are eligible candidates for visible emission. Non-doped waveguides may find their use for beam guiding and shaping of diode laser radiation. For applications in micro-fluidics, micro mechanical systems and medical diagnostics micro-channels and hollow microstructures in fused silica are necessary. Micro-channels in fused silica and waveguides in laser active glass materials are fabricated with fs-laser pulses. The use of a high repetition rate laser and a fast scanning system potentially allow the fabrication of laser sources and micro-mechanical components with high speed.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"14 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":"124828601","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
Regenerative Yb:KLuW thin disk amplifier 可再生Yb:KLuW薄盘放大器
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.2009.5192626
U. Bunting, H. Sayinc, D. Wandt, U. Morgner, J. Neumann, D. Kracht
{"title":"Regenerative Yb:KLuW thin disk amplifier","authors":"U. Bunting, H. Sayinc, D. Wandt, U. Morgner, J. Neumann, D. Kracht","doi":"10.1109/CLEOE-EQEC.2009.5192626","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192626","url":null,"abstract":"Ytterbium doped monoclinic double tungstates, like Yb:KYW or Yb:KGW, are attractive gain media for ultrafast laser and amplifier systems, respectively. This is owing to the high absorption and emission cross-section peaks and the broad emission bandwidth. They have proven their potential in diode-pumped high-power systems, profiting from the small quantum defect [1] and a reduced thermal load. In comparison to the above mentioned two materials, the relatively new crystal Yb:KLuW has not been investigated that intensively so far. Most of the relevant properties are very similar and the fluorescence lifetime is about 20 % longer. Compared to Yttrium and Gadolinium the ionic radius of Lutetium is closest to the one of Ytterbium and allows higher doping concentrations or lower stress in the crystal structure for similar doping levels, making it preferable for the thin disk concept. Efficient ultra short pulse laser oscillators have been demonstrated with Yb:KLuW [2, 3].","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"43 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":"125037576","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
Recent Progress in high efficiency Tm-doped fiber lasers 高效掺铥光纤激光器研究进展
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.2009.5192044
A. Carter, B. Samson, K. Tankala
{"title":"Recent Progress in high efficiency Tm-doped fiber lasers","authors":"A. Carter, B. Samson, K. Tankala","doi":"10.1109/CLEOE-EQEC.2009.5192044","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192044","url":null,"abstract":"Work is advancing in the area of high efficiency, Tm-doped fibers. In this talk we will review the recent work in power scaling both CW and pulsed systems at 2um. Applications for the technology will also be covered.","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":"125054025","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
Creating highly squeezed vacua in Hybrid Laguerre-Gauss modes 在混合拉盖尔-高斯模式中产生高度压缩的真空
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.2009.5191615
C. Navarrete-Benlloch, G. D. de Valcárcel, E. Roldán
{"title":"Creating highly squeezed vacua in Hybrid Laguerre-Gauss modes","authors":"C. Navarrete-Benlloch, G. D. de Valcárcel, E. Roldán","doi":"10.1109/CLEOE-EQEC.2009.5191615","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5191615","url":null,"abstract":"In this communication we study the above threshold quantum properties of a degenerate optical parametric oscillator (DOPO) tuned to a given transverse mode family at the signal frequency. We will show that under this configuration DOPOs are versatile sources of nonclassical light, in which one could be able to generate highly squeezed vacua with the non trivial shapes of Hybrid Laguerre-Gauss modes.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"62 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":"125057592","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
Noise reduction of high-power supercontinuum sources by back seeding 高功率超连续声源的反播种降噪
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.2009.5196586
P. Moselund, M. Frosz, C. Thomsen, Ole Bang
{"title":"Noise reduction of high-power supercontinuum sources by back seeding","authors":"P. Moselund, M. Frosz, C. Thomsen, Ole Bang","doi":"10.1109/CLEOE-EQEC.2009.5196586","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5196586","url":null,"abstract":"Ultra-broadband high-power supercontinuum (SC) light sources are currently being applied to a wide range of biooptical applications, in which noise is a severely limiting factor. With picosecond pumping, as we consider here, noise is inherent in the SC generation process, because the generation is initiated by modulation instability (MI), which amplifies random fluctuations in the pump pulse. Above a certain threshold power the original pulse breaks up into a train of solitons, which evolves into a supercontinuum [1]. Recently it has been shown that by seeding the four-wave mixing (FWM) gain wavelengths, SC generation close to the threshold can be accelerated and the noise can be greatly reduced [2,3]. The noise is reduced because the seed initiates the MI in a controlled manner, thereby removing a great deal of the randomness in the SC generation process [3]. The theory behind it builds on the recent discovery of Rogue waves in SC [4,5].","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"18 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":"125790513","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
Passively mode locked all-fiber ytterbium oscillator with integrated hollowcore photonic bandgap fiber 集成空心芯光子带隙光纤的被动锁模全光纤镱振荡器
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.2009.5192919
J. Fekete, A. Cserteg, R. Szipőcs
{"title":"Passively mode locked all-fiber ytterbium oscillator with integrated hollowcore photonic bandgap fiber","authors":"J. Fekete, A. Cserteg, R. Szipőcs","doi":"10.1109/CLEOE-EQEC.2009.5192919","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5192919","url":null,"abstract":"Passively modelocked Yb based fiber oscillators were intensively investigated in the last decade, as they offer compact design and environmental stability. One of the main directions of research was to utilize fiber-integrated dispersion compensating elements in the cavity to ensure self-consistent solutions of the mode-locking mechanism, since conventional single-mode fibers (SMF) have normal dispersion below 1.3 µm. The application of hollow-core photonic bandgap fibers (HCF) for dispersion control is advantageous because in addition to their possibly anomalous group velocity dispersion (GVD) in the Yb wavelength range they have reduced nonlinearity compared to solid-core fibers. There have been experimental demonstrations of such lasers in the weakly stretched soliton [1] and in the similariton regimes [2]. These setups included free-space optics for coupling light into and out of the HCF and also for the alignment of the appropriate polarization states. However, for alignment-free operation and high stability an all-fiber setup is desired. Here we report a self-starting passively mode-locked fiber laser containing a HCF spliced into the cavity to provide anomalous GVD. The laser operates in the stretched-pulse regime, close to the zero cavity dispersion. To the best of our knowledge this is the first implementation of integrated HCF based intracavity dispersion control.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"47 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":"125906641","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
Gain narrowing and spectral shifting control in Apollon-10P, petawatt hybrid CPA laser system 阿波罗- 10p，千瓦混合CPA激光系统的增益窄化和谱移控制
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.2009.5196367
F. Giambruno, C. Radier, G. Chériaux
{"title":"Gain narrowing and spectral shifting control in Apollon-10P, petawatt hybrid CPA laser system","authors":"F. Giambruno, C. Radier, G. Chériaux","doi":"10.1109/CLEOE-EQEC.2009.5196367","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5196367","url":null,"abstract":"Apollon-10P is a French funded 10 petawatt hybrid CPA laser system (OPCPA and titanium doped power amplifiers) that will be operating in 2013. The system will deliver pulses with energy of 150 joules in 15 fs pulse duration at 1 shot every minute. The OPCPA based front-end will deliver 30 mJ at 10 Hz with a spectrum having the availability to handle 10 – 15 fs pulses. The 1.5 ns stretched pulses will be further amplified up to 300 joules in Ti:Sa amplifiers. The choice of this hybrid solution has appeared to be the most efficient one in term of balance between ultra-short pulse duration and amplification efficiency and cost.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"7 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":"126166683","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 limited microholographic recording for Terabyte optical disk 太字节光盘的衍射限制微全息记录
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.2009.5196247
S. Orlic, E. Dietz, Timo Feid, S. Frohmann, Henning Markotter, J. Rass
{"title":"Diffraction limited microholographic recording for Terabyte optical disk","authors":"S. Orlic, E. Dietz, Timo Feid, S. Frohmann, Henning Markotter, J. Rass","doi":"10.1109/CLEOE-EQEC.2009.5196247","DOIUrl":"https://doi.org/10.1109/CLEOE-EQEC.2009.5196247","url":null,"abstract":"In the last couple of years the microholographic recording/readout method has come out as a powerful and promising method to overcome the data density limit of the conventional optical disk technology. Multilayer recording is a viable technological solution for high capacity data storage on a rapidly rotating disk media. Development and technological implementation paths are largely similar to those undertaken in DVD and BluRay technology.","PeriodicalId":346720,"journal":{"name":"CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference","volume":"43 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":"123227427","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
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