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2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)最新文献

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Frequency-doubled external cavity diode laser for atomic absorption spectroscopy at 325 nm 用于325 nm原子吸收光谱的倍频外腔二极管激光器
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1313542
T. Laurila, R. Oikari, H. Koivikko, R. Hernberg
{"title":"Frequency-doubled external cavity diode laser for atomic absorption spectroscopy at 325 nm","authors":"T. Laurila, R. Oikari, H. Koivikko, R. Hernberg","doi":"10.1109/CLEOE.2003.1313542","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1313542","url":null,"abstract":"In this paper, frequency-doubled diode laser based on a transmission diffraction grating for high-resolution atomic absorption spectroscopy in the UV at 325 nm is developed. The fundamental single-mode beam is frequency-doubled with a lithium iodate crystal. And CW output power of 40 nW was obtained.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"23 1","pages":"479-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81811639","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
Propagation of TE and TM polarised light through smoothed sixty degree bends in planar photonic crystal waveguides TE和TM偏振光在平面光子晶体波导中60度弯曲的传播
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1313734
L. Frandsen, P. Borel, M. Thorhauge, J. Cheng, M. Kampanis, Martin Kristensen, A. Lavrinenko, Y. Zhuang, H. Chong
{"title":"Propagation of TE and TM polarised light through smoothed sixty degree bends in planar photonic crystal waveguides","authors":"L. Frandsen, P. Borel, M. Thorhauge, J. Cheng, M. Kampanis, Martin Kristensen, A. Lavrinenko, Y. Zhuang, H. Chong","doi":"10.1109/CLEOE.2003.1313734","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1313734","url":null,"abstract":"In this paper, bends in planar PCWs are investigated by introducing two smoothed 60/spl deg/ bends each having one hole. The PCWs are defined by leaving out single rows of holes. In and out coupling of light to the PCWs is obtained utilising tapered ridge waveguides. Transmission spectra are recorded for both the TE and TM polarisation with an optical spectrum analyser by using two LED sources centred at 1330 nm and 1550 nm. The 3D FDTD simulations successfully explain the observed bend losses both for the TE and TM polarisations.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"11 1","pages":"677-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84313588","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
Frequency doubling in He/sup +/-implanted periodically poled lithium niobate waveguides He/sup +/-注入周期性极化铌酸锂波导的频率加倍
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1312304
B. Vincent, R. Kremer, A. Boudrioua, J. Loulergue, P. Moretti
{"title":"Frequency doubling in He/sup +/-implanted periodically poled lithium niobate waveguides","authors":"B. Vincent, R. Kremer, A. Boudrioua, J. Loulergue, P. Moretti","doi":"10.1109/CLEOE.2003.1312304","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1312304","url":null,"abstract":"Frequency doubling has been successfully performed in helium implanted planar waveguides in periodically poled lithium niobate by using quasi phase matching to generate blue laser beams.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"348 1","pages":"243-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84866126","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
Optical parametric amplification in single crystals of AgGaGeS/sub 4/ AgGaGeS/sub / 4单晶的光学参量放大
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1312270
V. Petrov, V. Badikov, G. Shevyrdyaeva, V. Chizhikov
{"title":"Optical parametric amplification in single crystals of AgGaGeS/sub 4/","authors":"V. Petrov, V. Badikov, G. Shevyrdyaeva, V. Chizhikov","doi":"10.1109/CLEOE.2003.1312270","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1312270","url":null,"abstract":"In this paper we report optical parametric amplification in single crystals of AgGaGeS/sub 4/ using pump pulses at 820 nm to produce femtosecond pulses in the mid-IR tunable between 3.8 and 11 /spl mu/m. This new crystal is considered to be used in high-power applications and the greater variety of phase-matching schemes due to its larger birefringence and biaxial nature.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"22 1","pages":"209-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84877278","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
Leakage current and self-heating in 650 nm resonant-cavity LEDs 650 nm谐振腔led的漏电流和自热
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1312244
K. Hild, T. Sale, M. Hirotani, Y. Mizuno, T. Kato
{"title":"Leakage current and self-heating in 650 nm resonant-cavity LEDs","authors":"K. Hild, T. Sale, M. Hirotani, Y. Mizuno, T. Kato","doi":"10.1109/CLEOE.2003.1312244","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1312244","url":null,"abstract":"This paper investigates the contributions of leakage current and self-heating to the temperature sensitivity. The amount of self-heating and leakage current is estimated and plotted for a constant light output with increasing temperature for both CW and pulsed operation, and the radiative current density for 650 nm emitting GaInP based resonant cavity light emitting diodes (RCLEDs) is calculated using a drift diffusion model (DDM).The model simulates the distribution of charge carriers within the structure and their recombination mechanisms. The radiative current in GaInP quantum wells is also extracted and plotted.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"27 1","pages":"183-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85026443","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
Light transport through porous silicon coupled microcavities 多孔硅耦合微腔中的光输运
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1313721
M. Ghulinyan, C. Oton, Z. Gaburro, P. Bettotti, L. D. Negro, Lorenzo Pavesi, R. Sapienza, D. Wiersma
{"title":"Light transport through porous silicon coupled microcavities","authors":"M. Ghulinyan, C. Oton, Z. Gaburro, P. Bettotti, L. D. Negro, Lorenzo Pavesi, R. Sapienza, D. Wiersma","doi":"10.1109/CLEOE.2003.1313721","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1313721","url":null,"abstract":"We report the experimental characterization of porous silicon free-standing coupled microcavities and the investigation of light transport properties in such structures, when ultrashort laser pulses are introduced and analyzed.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"8 1","pages":"660-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85055083","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
Multibeam laser triangulation for the measurement of geometric features of moving objects in production lines 多光束激光三角测量用于生产线运动物体几何特征的测量
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1313531
R. Noll, M. Krauhausen
{"title":"Multibeam laser triangulation for the measurement of geometric features of moving objects in production lines","authors":"R. Noll, M. Krauhausen","doi":"10.1109/CLEOE.2003.1313531","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1313531","url":null,"abstract":"Multibeam laser triangulation allows measuring different object regions simultaneously with short measuring times and a high dynamic range. This paper describes the methodological approach of multibeam laser triangulation, online measuring systems based on this concept and various industrial applications. For multibeam laser triangulation up to more than 120 laser beams are used to simultaneously measure geometric features of moving products such as e.g. the thickness, profile or surface topology.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"206 2 1","pages":"468-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85628348","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: 7
Real time femtosecond optical pulse measurement using a video-rate frequency-resolved-optical-gating system 使用视频速率频率分辨光门系统的实时飞秒光脉冲测量
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1313510
J. Garduno, D. Reid
{"title":"Real time femtosecond optical pulse measurement using a video-rate frequency-resolved-optical-gating system","authors":"J. Garduno, D. Reid","doi":"10.1109/CLEOE.2003.1313510","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1313510","url":null,"abstract":"Second-harmonic frequency resolved optical gating (SHG-FROG) has become a common and reliable technique for the measurement of the amplitude and phase of ultrafast optical pulses of the kind typically produced by mode-locked femtosecond laser. Commonly SHG-FROG measurement is carried out over a period of several seconds to many minutes by using a slowly scanning delay-line coupled to a single-shot spectrometer and other techniques to speed up the acquisition rate.'.' In this work we demonstrate a practical system based on synchronising a fast scanning galvanometer mirror and delay line in such a way that the SHG-FROG trace is viewed directly on a video-monitor and can be acquired and processed using in image acquisition board interfaced to a personal computer. Compared to alternative approaches for rapidly-acquiring a SHGFROG trace, the system provides a more direct output than other mechanically-scanning implementations and is more versatile than a single-shot device because of the ability to control the temporal width of the measured trace. The system is presented in Figure 1 and comprises a dispersion-balanced scanning interferometer that includes silver-coated hollow retro-reflectors and a thin beamsplitter (RI, R2 and BS). One of the retro-reflectors is static and the other is scanned at around 40 Hz using a piezo-electric translalor. The retro-reflectors are adjusted.so the pulses emerge from the interferometer as two parallel but non-collinear beams and these are incident centrally on a concave gold mirror (MZ). The focal path after the gold mirror is folded using a near-normal incidence reflection from a plane gold mirror which steers the beams past the curved mirror and into a Type I phasematched 200pmthick beta-barium borate (BBO) crystal where they combine with a small crossing angle. - aI","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"13 1","pages":"447-447"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85974560","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 and characterization of YAG and Y/sub 2/O/sub 3/ laser ceramics YAG和Y/sub 2/O/sub 3/激光陶瓷的制备与表征
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1312396
J. Lu, K. Ueda, H. Yagi, T. Yanagitani, A. Kaminskii
{"title":"Production and characterization of YAG and Y/sub 2/O/sub 3/ laser ceramics","authors":"J. Lu, K. Ueda, H. Yagi, T. Yanagitani, A. Kaminskii","doi":"10.1109/CLEOE.2003.1312396","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1312396","url":null,"abstract":"High power Nd:YAG ceramic laser was developed with high optical conversion efficiency. With maximum laser diode pump power of 290 W, output power of 110 W was obtained with a slope efficiency of 41%. In order to compare with Nd:YAG single crystal laser, the input-output relationship was also measured. Highly transparent neodymium and ytterbium doped Y2O3 ceramics were also developed recently. Laser oscillations were obtained from Nd:Y/sub 2/O/sub 3/ and Yb:Y/sub 2/O/sub 3/ ceramics. These material have favorable properties, such as refractory nature, stability, ruggedness, and optical clarity over a broad spectral region, and especially higher thermal conductivities than YAG.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"236 1","pages":"335-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76848575","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
Tracking fs light pulses in space and time through advanced photonic structures 利用先进的光子结构在空间和时间上跟踪光脉冲
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-22 DOI: 10.1109/CLEOE.2003.1313490
L. Kuipers, H. Gersen, M. Balistreri, J. Korterik, N. V. van Hulst
{"title":"Tracking fs light pulses in space and time through advanced photonic structures","authors":"L. Kuipers, H. Gersen, M. Balistreri, J. Korterik, N. V. van Hulst","doi":"10.1109/CLEOE.2003.1313490","DOIUrl":"https://doi.org/10.1109/CLEOE.2003.1313490","url":null,"abstract":"The propagation of short light pulses through advanced photonic structures like photonic crystals is influenced by the interplay of various physical mechanisms, for instance by the strong material dispersion and the low group velocity. To study the complex interplay between different mechanisms as pulses propagate through a structure, local time-resolved measurements are crucial.","PeriodicalId":6370,"journal":{"name":"2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)","volume":"105 1 1","pages":"427-427"},"PeriodicalIF":0.0,"publicationDate":"2003-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76891847","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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