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Industrial Laser Applications: INDLAS最新文献

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High power microchip solid state lasers 高功率微芯片固态激光器
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801930
T. Dascălu
{"title":"High power microchip solid state lasers","authors":"T. Dascălu","doi":"10.1117/12.801930","DOIUrl":"https://doi.org/10.1117/12.801930","url":null,"abstract":"Edge-pumped microchip laser configurations based on Yb:YAG/YAG composite gain media are presented. 90W output power with good beam quality and low wavefront distortion were obtained. Several new designs of composite gain media, like very thin disk with undoped cap and lens-like active media are presented and analyzed.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121783334","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
Progress in developing nanophotonic integrated circuits 纳米光子集成电路的研究进展
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801925
T. Yatsui, G. Yi, M. Ohtsu
{"title":"Progress in developing nanophotonic integrated circuits","authors":"T. Yatsui, G. Yi, M. Ohtsu","doi":"10.1117/12.801925","DOIUrl":"https://doi.org/10.1117/12.801925","url":null,"abstract":"We review recent progress in the development of nanophotonic devices using the optical near-field interaction. ZnO nanocrystallites are potentially ideal components for realizing room-temperature operation of such devices due to their high exciton-binding energy and great oscillator strength. To confirm this promising optical property of ZnO, we examined the near-field time-resolved spectroscopy of ZnO nanorod double-quantum-well structures (DQWs). First, we observed the nutation of the population between the resonantly coupled exciton states of DQWs, in which the coupling strength of the near-field interaction was found to decrease exponentially as the separation increased. Furthermore, we successfully demonstrated the AND-gate operation by controlling a dipole-forbidden optical energy transfer among resonant exciton states. Our results provide criteria for designing nanophotonic devices. The success of time-resolved near-field spectroscopy of isolated DQWs described here is a promising step toward realizing a practical nanometerscale photonic switch and related devices.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122229497","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
Laboratory researches for realizing incremental circular networks masks with laser micro-equipments 用激光微设备实现增量圆形网络掩模的实验室研究
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801964
G. Gheorghe
{"title":"Laboratory researches for realizing incremental circular networks masks with laser micro-equipments","authors":"G. Gheorghe","doi":"10.1117/12.801964","DOIUrl":"https://doi.org/10.1117/12.801964","url":null,"abstract":"The paper presents the results of researches undertaken in the domain of realizing photoelectric incremental radial masks by generating them with laser micro-equipments and special dedicated software.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129256132","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 heat treatment of welds for various stainless steels 各种不锈钢焊缝的激光热处理
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.802019
O. Donţu, S. Ganatsios, N. Alexandrescu, C. Predescu
{"title":"Laser heat treatment of welds for various stainless steels","authors":"O. Donţu, S. Ganatsios, N. Alexandrescu, C. Predescu","doi":"10.1117/12.802019","DOIUrl":"https://doi.org/10.1117/12.802019","url":null,"abstract":"The paper presents a study concerning the post - weld heat treatment of a duplex stainless steel. Welded joint samples were surface - treated using the same laser source adopted during welding in order to counterbalance the excess of ferrite formed in the welding process.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115183746","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
Thermal effects in the laser material marking and coloring with industrial applications 热效应在激光材料打标和着色方面具有工业应用
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801962
P. Sterian, E. Mocanu
{"title":"Thermal effects in the laser material marking and coloring with industrial applications","authors":"P. Sterian, E. Mocanu","doi":"10.1117/12.801962","DOIUrl":"https://doi.org/10.1117/12.801962","url":null,"abstract":"The objective of this paper is to analyze a marking laser system that uses a diode pumped Ytterbium fiber laser. Starting from the phenomena of heating due to laser irradiation and the spatial profile of deposited energy we try to develop a better marking technique, including the laser-assisted coloring.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122843619","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
Development of a technological system for manufacturing diamond cutting disks by laser welding procedure 激光焊接金刚石切割片工艺系统的研制
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801958
G. Gheorghe, P. Beca, C. Marinescu, I. Fărcaş, C. Fenic
{"title":"Development of a technological system for manufacturing diamond cutting disks by laser welding procedure","authors":"G. Gheorghe, P. Beca, C. Marinescu, I. Fărcaş, C. Fenic","doi":"10.1117/12.801958","DOIUrl":"https://doi.org/10.1117/12.801958","url":null,"abstract":"Preliminary results for joining by laser welding of diamonded segments onto the support body of cutting tools are presented in the paper. Such tools are mainly used for cutting hard materials in construction industry. A new mechatronic equipment able to perform the complex displacement movements required by the new tehnology is also presented.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130929053","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
Possibilities of increasing the pumping efficiency of solid active medium laser generators by optimizing the pumping cavity profile 通过优化抽运腔型提高固体有源介质激光发生器抽运效率的可能性
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.802035
O. Donţu, S. Ganatsios, N. Alexandrescu
{"title":"Possibilities of increasing the pumping efficiency of solid active medium laser generators by optimizing the pumping cavity profile","authors":"O. Donţu, S. Ganatsios, N. Alexandrescu","doi":"10.1117/12.802035","DOIUrl":"https://doi.org/10.1117/12.802035","url":null,"abstract":"The paper presents some design elements concerning the optical pumping cavities of the laser generators with active solid medium, as well as the way of increasing their performance. We start from the fact that the laser cavity is a closed optical system, where the active laser medium and the pumping source are conjugated, in order to achieve a maximum concentration of the light flux of the pumping source towards the active medium. We discuss the simple elliptical section laser pumping cavities (with one pumping lamp) and triple elliptical (with three lamps), also presenting a series on calculus nomograms, very useful to those who design the laser generation optical pumping cavities.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131340612","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
New optics for industrial laser applications: VariSpot and VariFoc 用于工业激光应用的新型光学器件:可变光斑和可变光斑
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801927
J. Serna, G. Nemeş
{"title":"New optics for industrial laser applications: VariSpot and VariFoc","authors":"J. Serna, G. Nemeş","doi":"10.1117/12.801927","DOIUrl":"https://doi.org/10.1117/12.801927","url":null,"abstract":"Two new families of zoom optical systems, developed for industrial and medical laser applications, are introduced. First we discuss the main physical processes involved in industrial laser applications and the requirements for the optics. The spatial beam parameters are reviewed, explaining the relatively new concepts of intrinsic stigmatism and intrinsic astigmatism. Then two new zoom systems are discussed, including experimental examples: VariSpot(R), which delivers round spots with adjustable diameters at fixed working distances, and VariFocTM, able to adjust spot shapes and sizes at different working distances. We conclude that these systems represent a valuable addition for industrial and medical lasers.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114376895","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
Automate generation of incremental linear networks masks by using photocomposition method with with multiple microphotographical reductions using laser microsystems 自动生成增量线性网络掩模使用photocomposition方法与多个显微摄影减少使用激光微系统
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801967
G. Gheorghe, O. Donţu
{"title":"Automate generation of incremental linear networks masks by using photocomposition method with with multiple microphotographical reductions using laser microsystems","authors":"G. Gheorghe, O. Donţu","doi":"10.1117/12.801967","DOIUrl":"https://doi.org/10.1117/12.801967","url":null,"abstract":"The paper treats high precision micro technologies for automate generation of linear incremental networks masks by using the photocomposition method with multiple micro photographical reductions using laser high sensitivity microsystems, for the manufacture of micro-sensors and micro-transducers for micro displacements with endowment in industrial and metrological laboratories. These laser micro technologies allow automate generation of incremental networks masks with incremental step of 0,1 µm ensuring necessary accuracy according to European and international standards as well as realization of linear incremental photoelectric rules divisor and vernier as marks ultra precise components of micro-sensors and microtransducers for micro displacements.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130265757","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 study of heating of transparent liquids for laser-liquids technologies 激光液体技术中透明液体加热的研究
Industrial Laser Applications: INDLAS Pub Date : 2008-03-03 DOI: 10.1117/12.801963
M. Oane, G. Georgescu, F. Scarlat, R. Medianu, I. Mihăilescu, A. Peled
{"title":"The study of heating of transparent liquids for laser-liquids technologies","authors":"M. Oane, G. Georgescu, F. Scarlat, R. Medianu, I. Mihăilescu, A. Peled","doi":"10.1117/12.801963","DOIUrl":"https://doi.org/10.1117/12.801963","url":null,"abstract":"In the last decade we have applied with consistent results the integral transform technique in solving the classical heat equation for determining the thermal fields in laser-solid interaction. In the present paper we apply for the first time this powerful mathematical instrument for laser-transparent liquids interaction in order to find the thermal field of this process.","PeriodicalId":390439,"journal":{"name":"Industrial Laser Applications: INDLAS","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122545247","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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