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Organic Nonlinear Optical Materials 有机非线性光学材料
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 2001-08-24 DOI: 10.1109/CLEOE.1998.719099
Christian Bosshard
{"title":"Organic Nonlinear Optical Materials","authors":"Christian Bosshard","doi":"10.1109/CLEOE.1998.719099","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719099","url":null,"abstract":"Organic materials hold a large promise for second- and third-order nonlinear optical and fast electro-optic applications due to the large nonlinearities of the basic molecular units and the almost purely electronic origin of the nonlinearity. We here discuss the new development in this field with respect to molecules, polymers, and molecular crystals.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124137559","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: 408
Novel Hot Electron Light Emitter 新型热电子光发射器
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1999-08-06 DOI: 10.1117/12.356919
A. Vickers, P. Aiyarak, A. Walker, J. Watling, J. Roberts
{"title":"Novel Hot Electron Light Emitter","authors":"A. Vickers, P. Aiyarak, A. Walker, J. Watling, J. Roberts","doi":"10.1117/12.356919","DOIUrl":"https://doi.org/10.1117/12.356919","url":null,"abstract":"One current growth area in the field of optical communications is that of wavelength division multiplexing (WDM). One demand of WDM is a set of devices or a single device capable of emitting a range of wavelengths.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133896412","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 in Cavities with Multi-Valued Petermann Factor 多值Petermann因子空腔中的噪声
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719015
A. Dunlop, W. Firth, E. W. Wright
{"title":"Noise in Cavities with Multi-Valued Petermann Factor","authors":"A. Dunlop, W. Firth, E. W. Wright","doi":"10.1109/CLEOE.1998.719015","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719015","url":null,"abstract":"It is usually assumed that the Petermann K-factor [1] is a cavity property, independent of position z around the cavity. We show that K is not invariant, and consider the implications for laser noise. K arises for optical systems with non-Hermitian modes.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116645312","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
Laser-Induced Damage Thresholds of SiO/sub 2/ Films Grown with Different Assistance Parameters: A Comparative Study Performed by the Photoacoustic Mirage Technique 不同辅助参数生长SiO/ sub2 /薄膜的激光损伤阈值:光声海市蜃楼技术的比较研究
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719466
M. Alvisi, G. De Nunzio, M. Perrone, A. Rizzo, S. Scaglione, L. Vasanelli
{"title":"Laser-Induced Damage Thresholds of SiO/sub 2/ Films Grown with Different Assistance Parameters: A Comparative Study Performed by the Photoacoustic Mirage Technique","authors":"M. Alvisi, G. De Nunzio, M. Perrone, A. Rizzo, S. Scaglione, L. Vasanelli","doi":"10.1109/CLEOE.1998.719466","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719466","url":null,"abstract":"The quality of laser beams strongly depends on the optical characteristics of the cavity mirrors; thus the development of good quality UV/VUV coated optical components is much requested by researchers and industry. The choice of the deposition technique has a considerable influence on the film features: the use of ion assisted techniques is a means of improving the compactness and adhesion of films, while limiting the temperature of the substrate during the deposition.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116898072","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
Integrated Optical Interferometers for Low Coherence Sensing Applications 集成光学干涉仪在低相干传感中的应用
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719163
A. McLaughlin, J. Bonar, M. Jubber, F. Camacho, J. Aitchison
{"title":"Integrated Optical Interferometers for Low Coherence Sensing Applications","authors":"A. McLaughlin, J. Bonar, M. Jubber, F. Camacho, J. Aitchison","doi":"10.1109/CLEOE.1998.719163","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719163","url":null,"abstract":"Fibre optic low-coherence interferometry is of great interest for industrial sensing applications In general, systems use a low-coherence source to illuminate two interferometers with matched optical path differences (OPD), greater than the source coherence length. Typically, the first interferometer is used as a sensor, for example micro-machined silicon resonant sensors [1], where a reference and modulated sensing signal are derived from the sensor head. Due to the large OPD the two signals can propagate together without interference. The second interferometer acts as a detector, where due to its matched OPD, the signals from the sensor head are brought back into coherence and interfere.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117163400","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
2D-Simultation of Tapered Amplifiers Comparison to Experimental Results 锥形放大器的二维仿真与实验结果比较
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719025
P. Chazan, M. Mikulla, S. Morgott, R. Kiefer, A. Wetzel, M. Walther, J. Braumstein, G. Weimann
{"title":"2D-Simultation of Tapered Amplifiers Comparison to Experimental Results","authors":"P. Chazan, M. Mikulla, S. Morgott, R. Kiefer, A. Wetzel, M. Walther, J. Braumstein, G. Weimann","doi":"10.1109/CLEOE.1998.719025","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719025","url":null,"abstract":"","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127114884","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
Real part of resonant susceptibility and refractive index grating formation in inverted Nd:YAG 倒Nd:YAG谐振磁化率实部与折射率光栅的形成
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719535
O. Antipov, A. Kuzhelev, D. Chausov, V. A. Vorob’ev, A. P. Zinov’ev, A. Luk'yanov
{"title":"Real part of resonant susceptibility and refractive index grating formation in inverted Nd:YAG","authors":"O. Antipov, A. Kuzhelev, D. Chausov, V. A. Vorob’ev, A. P. Zinov’ev, A. Luk'yanov","doi":"10.1109/CLEOE.1998.719535","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719535","url":null,"abstract":"Ti investigate the real part of resonant susceptibility and refractive index grating formation in inverted Nd:YAGr the authors used a low-noise Jamin-Lebedev interferometer to measure the refractive index of the changes due to energy state changes in the Nd population.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127463914","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
Production of Supported Carbon Nanoclusters at Laser Ablation of Foam Graphite 泡沫石墨激光烧蚀制备负载型碳纳米团簇
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719469
S. Kudryashov, S. G. Ionov, N. B. Zorov
{"title":"Production of Supported Carbon Nanoclusters at Laser Ablation of Foam Graphite","authors":"S. Kudryashov, S. G. Ionov, N. B. Zorov","doi":"10.1109/CLEOE.1998.719469","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719469","url":null,"abstract":"Foam graphite is a new and perspective material for laser ablation applications possessing of very low (subcriticai) bulk density and high concentration of nonequilibrium chemically-induced structural defects (vacancies and etc.). It shows “black body” absorbance, very low transversal thermal diffusivity and sound velocity due to its “sandwich-like” structure of graphite crystallites. Equilibrium laser evaporation of the low-density foam graphite occurs in regular air gaps of its “sandwich-like” structure and thus critical state of carbon seems to be produced. The droplet-like structure of critical state has been predicted by theory of condensed matter state earlier. Therefore laser-induced carbon critical state seems to be intensive source of carbon nanoclusters.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124802979","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
Comparison of Weld Quality with Normal and 30/spl deg/ Incident Laser Beams 正常和30/声压角入射激光束焊缝质量的比较
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719479
E. Ng, I. Watson
{"title":"Comparison of Weld Quality with Normal and 30/spl deg/ Incident Laser Beams","authors":"E. Ng, I. Watson","doi":"10.1109/CLEOE.1998.719479","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719479","url":null,"abstract":"","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125121807","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
Conditions for Efficient Build-Up of Power in a Ring-Cavity with Rh:BaTiO/sub 3/ Rh:BaTiO/sub - 3/环腔中有效功率积累的条件
CLEO/Europe Conference on Lasers and Electro-Optics Pub Date : 1998-09-14 DOI: 10.1109/CLEOE.1998.719633
M. Kaczmarek, R. Eason
{"title":"Conditions for Efficient Build-Up of Power in a Ring-Cavity with Rh:BaTiO/sub 3/","authors":"M. Kaczmarek, R. Eason","doi":"10.1109/CLEOE.1998.719633","DOIUrl":"https://doi.org/10.1109/CLEOE.1998.719633","url":null,"abstract":"Numerous interaction geometries have been developed for photorefractive materials that rely on amplification of light via the two-beam coupling effect. One of the most elegant and simple configurations is a unidirectional ring resonator, which consists of a photorefractive crystal placed in a ring cavity and pumped by an external beam. If the two-beam coupling gain is above threshold, the resonating beam will build up from the amplification of scattered light. We present results on the most crucial parameters for the effective build-up of power in the resonating beam the wavelength of the pump beam, and the type of photorefractive material. The resonating beam accumulates energy from successive amplification in a photorefractive material until saturation sets in but also loses energy from absorption and other losses such as Fresnel reflections from the crystal and imperfect mirrors. We have performed intensity-dependent modelling of the resonator's power conversion factor. The power conversion factor is defined as the ratio of the resonating beam intensity to the intensity of the external pump beam. The figure below shows the dependence of this factor on absorption coefficient for different values of coupling coefficient Gamma.","PeriodicalId":404067,"journal":{"name":"CLEO/Europe Conference on Lasers and Electro-Optics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125194267","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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