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The International Conference on Ultrafast Phenomena (UP) 2022最新文献

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Simple measurement technique for spatio-temporal couplings in few-cycle pulses 多周期脉冲时空耦合的简单测量技术
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu4a.52
A. de Andres, S. Jolly, A. Muschet, Fritz Schnur, F. Quéré, L. Veisz
{"title":"Simple measurement technique for spatio-temporal couplings in few-cycle pulses","authors":"A. de Andres, S. Jolly, A. Muschet, Fritz Schnur, F. Quéré, L. Veisz","doi":"10.1364/up.2022.tu4a.52","DOIUrl":"https://doi.org/10.1364/up.2022.tu4a.52","url":null,"abstract":"We report on the detection of spatio-temporal couplings in a 700-1000 nm NOPA using an optimized characterization method. The technique is performed during normal focus observation and requires little additional hardware.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"2016 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":"127264321","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
Multi-wavelength Ultrafast Ptychography: A Flexible Beamline with a Compact High Harmonic Source 多波长超快光刻:具有紧凑高谐波源的柔性光束线
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th4a.41
C. Bevis, Carmelo Grova, Daniel Adams, C. Svetina, G. Mancini
{"title":"Multi-wavelength Ultrafast Ptychography: A Flexible Beamline with a Compact High Harmonic Source","authors":"C. Bevis, Carmelo Grova, Daniel Adams, C. Svetina, G. Mancini","doi":"10.1364/up.2022.th4a.41","DOIUrl":"https://doi.org/10.1364/up.2022.th4a.41","url":null,"abstract":"We report the design of a flexible beamline for ultrafast multiwavelength ptychography to image nano-to-mesoscale heterogeneity in nanostructures and interfaces, with quantitative amplitude and phase contrast, sub-50nm spatial and sub-50fs temporal resolutions.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"47 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":"126994834","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
Attosecond Inter- and Intra-Band Charge Carrier Dynamics in Germanium 锗的阿秒带间和带内载流子动力学
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.32
Giacomo Inzani, L. Adamska, Luciano Jacopo D’Onofrio, Bruno Moio, Gian Luca Dolso, N. Di Palo, A. Eskandari-asl, A. Lamperti, A. Molle, C. Rozzi, R. Borrego-Varillas, M. Nisoli, S. Pittalis, A. Avella, M. Lucchini
{"title":"Attosecond Inter- and Intra-Band Charge Carrier Dynamics in Germanium","authors":"Giacomo Inzani, L. Adamska, Luciano Jacopo D’Onofrio, Bruno Moio, Gian Luca Dolso, N. Di Palo, A. Eskandari-asl, A. Lamperti, A. Molle, C. Rozzi, R. Borrego-Varillas, M. Nisoli, S. Pittalis, A. Avella, M. Lucchini","doi":"10.1364/up.2022.w4a.32","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.32","url":null,"abstract":"The interplay between intra-band motion and inter-band transitions in photoexcited germanium is investigated by attosecond transient reflection spectroscopy. Advanced theoretical simulations interpret the sub-femtosecond optical response as charge carrier dynamics in the band structure.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"72 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":"114220274","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
Attosecond control of XUV multiphoton ionization XUV多光子电离的阿秒控制
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.22
M. Kretschmar, A. Hadjipittas, B. Major, J. Tümmler, I. Will, T. Nagy, M. Vrakking, A. Emmanouilidou, B. Schütte
{"title":"Attosecond control of XUV multiphoton ionization","authors":"M. Kretschmar, A. Hadjipittas, B. Major, J. Tümmler, I. Will, T. Nagy, M. Vrakking, A. Emmanouilidou, B. Schütte","doi":"10.1364/up.2022.w4a.22","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.22","url":null,"abstract":"We study multiple ionization of Ar using a pair of intense attosecond pulse trains. By controlling the delay with attosecond precision and the spatial overlap with nanometer precision, complex multiphoton ionization pathways can be identified.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","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":"122506550","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
Ultrafast X-Ray hyperspectral imaging of the photo-induced phase transition in VO2 VO2中光致相变的超快x射线高光谱成像
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu3a.2
A. Johnson, D. Perez-Salinas, K. Siddiqui, S. Kim, S. Choi, K. Volckaert, P. Majchrzak, S. Ulstrup, K. Hallman, R. Haglund, C. Günther, B. Pfau, S. Eisebitt, D. Backes, F. Maccherozzi, A. Fitzpatrick, S. Dhesi, P. Gargiani, M. Valvidares, H. Choi, D. Jang, A. Katoch, S. Kwon, S. Park, H. Kim, S. Wall
{"title":"Ultrafast X-Ray hyperspectral imaging of the photo-induced phase transition in VO2","authors":"A. Johnson, D. Perez-Salinas, K. Siddiqui, S. Kim, S. Choi, K. Volckaert, P. Majchrzak, S. Ulstrup, K. Hallman, R. Haglund, C. Günther, B. Pfau, S. Eisebitt, D. Backes, F. Maccherozzi, A. Fitzpatrick, S. Dhesi, P. Gargiani, M. Valvidares, H. Choi, D. Jang, A. Katoch, S. Kwon, S. Park, H. Kim, S. Wall","doi":"10.1364/up.2022.tu3a.2","DOIUrl":"https://doi.org/10.1364/up.2022.tu3a.2","url":null,"abstract":"We use the PAL FEL to obtain time and energy-resolved coherent diffractive images of the insulator-metal phase transition in VO2 with femtosecond time, and nanometer spatial resolution, enabling us to directly visualize the phase transition.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"77 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":"129370124","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
Highly Nonlinear Transient Absorption Spectroscopy 高度非线性瞬态吸收光谱学
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w2a.6
P. Malý, Julian Lüttig, P. A. Rose, A. Turkin, Christoph Lambert, J. Krich, T. Brixner
{"title":"Highly Nonlinear Transient Absorption Spectroscopy","authors":"P. Malý, Julian Lüttig, P. A. Rose, A. Turkin, Christoph Lambert, J. Krich, T. Brixner","doi":"10.1364/up.2022.w2a.6","DOIUrl":"https://doi.org/10.1364/up.2022.w2a.6","url":null,"abstract":"We introduce a new approach to transient absorption spectroscopy based on measurement at specific excitation intensities. A combination of datasets isolates individual perturbative nonlinear orders, allowing systematic high-intensity measurement of clean single- and multi-particle dynamics.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"11 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":"126509589","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
Phase-matched absorption-limited HHG using pre-ionization 预电离相匹配吸收限制HHG
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th4a.21
O. Finke, J. Vábek, M. Nevrkla, N. Bobrova, O. Hort, M. Jurkovič, M. Albrecht, A. Jancarek, F. Catoire, S. Skupin, J. Nejdl
{"title":"Phase-matched absorption-limited HHG using pre-ionization","authors":"O. Finke, J. Vábek, M. Nevrkla, N. Bobrova, O. Hort, M. Jurkovič, M. Albrecht, A. Jancarek, F. Catoire, S. Skupin, J. Nejdl","doi":"10.1364/up.2022.th4a.21","DOIUrl":"https://doi.org/10.1364/up.2022.th4a.21","url":null,"abstract":"We have discovered that ionization-induced defocusing is the main cause of inefficient high-order harmonic generation in long absorption-limited media. A novel method utilizing pre-ionization to overcome this bottleneck was validated both experimentally and with numerical simulations.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"7 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":"116831611","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
Ultrafast Structural Changes of Push-pull Chromophores with the Intramolecular Charge Transfer in Excited State 激发态下分子内电荷转移下推拉发色团的超快结构变化
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu4a.62
Sebok Lee, Taehyung Jang, Jonwon Im, Yoonsoo Pang
{"title":"Ultrafast Structural Changes of Push-pull Chromophores with the Intramolecular Charge Transfer in Excited State","authors":"Sebok Lee, Taehyung Jang, Jonwon Im, Yoonsoo Pang","doi":"10.1364/up.2022.tu4a.62","DOIUrl":"https://doi.org/10.1364/up.2022.tu4a.62","url":null,"abstract":"Structural changes of push-pull chromophores with π-bridges of biphenyl and stilbene were investigated by femtosecond stimulated Raman spectroscopy, where vibrational couplings of skeletal vibrational modes are sensitive to the structural changes with intramolecular charge transfer.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","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":"114132496","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
Ultrafast Proton Transfer Dynamics of Photoacids in the Confined Environments of Reverse Micelles 光酸在反胶束密闭环境下的超快质子转移动力学
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu4a.64
Taehyung Jang, Sebok Lee, Yoonsoo Pang
{"title":"Ultrafast Proton Transfer Dynamics of Photoacids in the Confined Environments of Reverse Micelles","authors":"Taehyung Jang, Sebok Lee, Yoonsoo Pang","doi":"10.1364/up.2022.tu4a.64","DOIUrl":"https://doi.org/10.1364/up.2022.tu4a.64","url":null,"abstract":"Deprotonation of photoacids strongly dependent on the solvent properties becomes solvent-independent in the small reverse micelles of water and methanol cores, where the deprotonation and recombination dynamics of photoacids depends on the micelle size.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"6 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":"115606889","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
Coherent optical control of high harmonic generation in monolayer MoS2 单元化二硫化钼高谐波产生的相干光学控制
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th2a.4
M. Kozák, P. Peterka, M. Bartoš, F. Trojánek, Petr Malý
{"title":"Coherent optical control of high harmonic generation in monolayer MoS2","authors":"M. Kozák, P. Peterka, M. Bartoš, F. Trojánek, Petr Malý","doi":"10.1364/up.2022.th2a.4","DOIUrl":"https://doi.org/10.1364/up.2022.th2a.4","url":null,"abstract":"We report on experimental study of ultrafast coherent control of high harmonic generation (HHG) in MoS2 monolayers using near-resonant light. We observe suppression of HHG yield caused by nonlinear electron dynamic in two-color fields.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"64 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":"115799106","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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