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1994 Conference on Lasers and Electro-Optics Europe最新文献

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Physics of microcavity lasers 微腔激光器物理学
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.jwa1
Y. Yamamoto
{"title":"Physics of microcavity lasers","authors":"Y. Yamamoto","doi":"10.1364/cleo_europe.1994.jwa1","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.jwa1","url":null,"abstract":"Summary not available.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115566468","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
Pr3+-doped silicates as potential visible laser materials 掺Pr3+硅酸盐作为潜在的可见激光材料
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.ctuk78
V. Mikhailov, N. Kuleshov, S. A. Radkevich, B. Minkov
{"title":"Pr3+-doped silicates as potential visible laser materials","authors":"V. Mikhailov, N. Kuleshov, S. A. Radkevich, B. Minkov","doi":"10.1364/cleo_europe.1994.ctuk78","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.ctuk78","url":null,"abstract":"The interest in solid-state lasers based on Pr3+ is due to the fact that Pr3+ offers many transitions in the visible and nearinfrared spectral region.1 We studied for the first time to our knowledge the optical absorption and fluorescence of Pr3+: Y2SiO5. The Stark level diagram was obtained and interpretation of the optical transitions was made.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122773740","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
Temperature dependent characteristics of 0.98-μm strained-quantum-well lasers 0.98 μm应变量子阱激光器的温度依赖特性
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cfe4
E. Vail, R. E. Nabiev, C. Chang-Hasnain
{"title":"Temperature dependent characteristics of 0.98-μm strained-quantum-well lasers","authors":"E. Vail, R. E. Nabiev, C. Chang-Hasnain","doi":"10.1364/cleo_europe.1994.cfe4","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cfe4","url":null,"abstract":"Semiconductor lasers emitting in the 0.98-μm wavelength regime are promising for pumping optical fiber amplifiers and solid-state lasers. Although the short wavelength lasers are typically observed to have a high characteristic temperature To, their differential efficiencies often decrease rapidly with temperature increase, which can cause serious problems in many applications. In this work, we investigate the physical causes of this temperature dependence experimentally as well as theoretically with buried heterostructure InGa As / InGaAsP / InGaP strained quantum well lasers. Laser bars of various cavity lengths were measured at temperatures between 10°C to 160°C. Testing unbonded laser bars allows us to perform measurements of many lasers with similar conditions. Thus, effects due to unintentional variations from fabrication or cleaving can be eliminated.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128280760","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 medium on the basis of calcium niobium gallium garnet doped with Tm3+ 激光介质在钙铌镓石榴石的基础上掺杂Tm3+
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.ctuk76
Yu. K. Voron’ko, S. B. Gessen, N. A. Eskov, P. Ryabochkina, A. Sobol, S. Ushakov, L. I. Tsimbal
{"title":"Laser medium on the basis of calcium niobium gallium garnet doped with Tm3+","authors":"Yu. K. Voron’ko, S. B. Gessen, N. A. Eskov, P. Ryabochkina, A. Sobol, S. Ushakov, L. I. Tsimbal","doi":"10.1364/cleo_europe.1994.ctuk76","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.ctuk76","url":null,"abstract":"The peculiarity of the new laser material calcium-niobium-gallium garnet (CNGG) is its low melting point (below 1500°C). That gives an opportunity to synthesize these garnets using technology avoiding the presence of iridium crucibles, which simplifies the crystal growth procedure and reduces the cost of the process of the synthesis compared with other garnets.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127961991","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
Lidars for tropospheric and stratospheric ozone 对流层和平流层臭氧激光雷达
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cthb4
D. P. J. Swaart
{"title":"Lidars for tropospheric and stratospheric ozone","authors":"D. P. J. Swaart","doi":"10.1364/cleo_europe.1994.cthb4","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cthb4","url":null,"abstract":"Summary not available.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130979798","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
Room temperature green continuous wave Er3+:LiYF4 laser pumped by 810-nm Ti:sapphire radiation 室温绿色连续波Er3+:LiYF4激光，由810nm Ti:蓝宝石辐射泵浦
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cma6
F. Heine, E. Heumann, T. Danger, T. Schweizer, J. Koetke, G. Huber, B. Chai
{"title":"Room temperature green continuous wave Er3+:LiYF4 laser pumped by 810-nm Ti:sapphire radiation","authors":"F. Heine, E. Heumann, T. Danger, T. Schweizer, J. Koetke, G. Huber, B. Chai","doi":"10.1364/cleo_europe.1994.cma6","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cma6","url":null,"abstract":"Upconversion pumped visible solid-state lasers could be an interesting alternative to frequency-doubled infrared lasers or visible laser diodes in high-density data storage applications.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132280792","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
Observation of intrinsic optical bistability induced by self-focusing in a semiconductor-doped glass filter 半导体掺杂玻璃滤光片自聚焦诱导本征光学双稳性的观察
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cthi79
F. Pereira, J. Salcedo, M. Belsley
{"title":"Observation of intrinsic optical bistability induced by self-focusing in a semiconductor-doped glass filter","authors":"F. Pereira, J. Salcedo, M. Belsley","doi":"10.1364/cleo_europe.1994.cthi79","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cthi79","url":null,"abstract":"Wherret et al.1 have derived a general condition for the existence of intrinsic optical bistability, stipulating that the absorption length of the sample, αL, must be less than 0.18. Nonetheless several research groups have observed optical bistability in samples with absorption lengths significantly above this limit.2 It has been suggested2 that the observed bistability is the result of an initial self-focusing of the incident beam brought about by thermal refractive index change which then induces a bistable effect in the final portion of the sample. If the focal length of the laser induced thermal lens is comparable with the sample thickness, then the reduction of the laser beam size could then induce bistability at a lower threshold in the final portion of the sample. We have carried a systematic test of this hypothesis, using a modified version of the Z-scan technique, on a commercially available semiconductor-doped glass filter.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"41 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131673811","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
The Cr3+:Yb3+:Ln3+:YSGG crystals as solid- state laser materials Cr3+:Yb3+:Ln3+:YSGG晶体作为固体激光材料
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cwc5
Y. Zavartsev, V. Osiko, P. A. Studenikin, A. Umyskov
{"title":"The Cr3+:Yb3+:Ln3+:YSGG crystals as solid- state laser materials","authors":"Y. Zavartsev, V. Osiko, P. A. Studenikin, A. Umyskov","doi":"10.1364/cleo_europe.1994.cwc5","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cwc5","url":null,"abstract":"The concentration of Ln3+ ions in gallium garnets doped by Cr3+ ions must be high enough to efficiently transfer energy Cr3+ →Ln3+. Low concentration of Ln3+ ions in some cases presents interest because it allows to avoid the concentrational quenching of some Ln3+ ion levels and to decrease the lasing threshold of three-level lasers.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131910931","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
OEICs: Status in the lightwave communication area OEICs:光波通信区域的状态
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cthh1
R. Leheny
{"title":"OEICs: Status in the lightwave communication area","authors":"R. Leheny","doi":"10.1364/cleo_europe.1994.cthh1","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cthh1","url":null,"abstract":"Summary not available.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128850901","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
Pulse mode operation of a phase coupled CO2 waveguide lasers array 相位耦合CO2波导激光器阵列的脉冲模式操作
1994 Conference on Lasers and Electro-Optics Europe Pub Date : 1900-01-01 DOI: 10.1364/cleo_europe.1994.cff3
G. Lescroart, R. Muller, G. Bourdet
{"title":"Pulse mode operation of a phase coupled CO2 waveguide lasers array","authors":"G. Lescroart, R. Muller, G. Bourdet","doi":"10.1364/cleo_europe.1994.cff3","DOIUrl":"https://doi.org/10.1364/cleo_europe.1994.cff3","url":null,"abstract":"Phase coupled of CO2 waveguide lasers array by intracavity spatial filtering has been already reported in Ref. 1 in cw mode. The theoretical analysis for such a configuration gives a coupling efficiency larger than 70%,2 whereas the experimental measurements have been found as poor as 10%. The results discrepancy seems to be the consequence of the thermal loading of the optical elements set inside the laser cavity in which the light intensity is very large. By using a three mirrors cavity, it has been possible to reduce the power level on the optical elements resulting in an improvement of the coupling efficiency up to 66%.","PeriodicalId":276336,"journal":{"name":"1994 Conference on Lasers and Electro-Optics Europe","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115968757","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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