Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth
A common challenge for pump-probe studies of structural dynamics at X-ray free-electron lasers (XFELs) is the determination of time zero (T0)—the time an optical pulse (e.g., an optical laser) arrives coincidently with the probe pulse (e.g., a XFEL pulse) at the sample position. In some cases, T0 mi...
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC and ACA
2017-09-01
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| Series: | Structural Dynamics |
| Online Access: | http://dx.doi.org/10.1063/1.4999701 |
| _version_ | 1819169809697341440 |
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| author | S. W. Epp M. Hada Y. Zhong Y. Kumagai K. Motomura S. Mizote T. Ono S. Owada D. Axford S. Bakhtiarzadeh H. Fukuzawa Y. Hayashi T. Katayama A. Marx H. M. Müller-Werkmeister R. L. Owen D. A. Sherrell K. Tono K. Ueda F. Westermeier R. J. D. Miller |
| author_facet | S. W. Epp M. Hada Y. Zhong Y. Kumagai K. Motomura S. Mizote T. Ono S. Owada D. Axford S. Bakhtiarzadeh H. Fukuzawa Y. Hayashi T. Katayama A. Marx H. M. Müller-Werkmeister R. L. Owen D. A. Sherrell K. Tono K. Ueda F. Westermeier R. J. D. Miller |
| author_sort | S. W. Epp |
| collection | DOAJ |
| description | A common challenge for pump-probe studies of structural dynamics at X-ray free-electron lasers (XFELs) is the determination of time zero (T0)—the time an optical pulse (e.g., an optical laser) arrives coincidently with the probe pulse (e.g., a XFEL pulse) at the sample position. In some cases, T0 might be extracted from the structural dynamics of the sample's observed response itself, but generally, an independent robust method is required or would be superior to the inferred determination of T0. In this paper, we present how the structural dynamics in ultrafast melting of bismuth can be exploited for a quickly performed, reliable and accurate determination of T0 with a precision below 20 fs and an overall experimental accuracy of 50 fs to 150 fs (estimated). Our approach is potentially useful and applicable for fixed-target XFEL experiments, such as serial femtosecond crystallography, utilizing an optical pump pulse in the ultraviolet to near infrared spectral range and a pixelated 2D photon detector for recording crystallographic diffraction patterns in transmission geometry. In comparison to many other suitable approaches, our method is fairly independent of the pumping wavelength (UV–IR) as well as of the X-ray energy and offers a favorable signal contrast. The technique is exploitable not only for the determination of temporal characteristics of the experiment at the interaction point but also for investigating important conditions affecting experimental control such as spatial overlap and beam spot sizes. |
| first_indexed | 2024-12-22T19:25:24Z |
| format | Article |
| id | doaj.art-a215f1e4f12545f194edd6d7664c69a6 |
| institution | Directory Open Access Journal |
| issn | 2329-7778 |
| language | English |
| last_indexed | 2024-12-22T19:25:24Z |
| publishDate | 2017-09-01 |
| publisher | AIP Publishing LLC and ACA |
| record_format | Article |
| series | Structural Dynamics |
| spelling | doaj.art-a215f1e4f12545f194edd6d7664c69a62022-12-21T18:15:16ZengAIP Publishing LLC and ACAStructural Dynamics2329-77782017-09-0145054308054308-1310.1063/1.4999701017705SDYTime zero determination for FEL pump-probe studies based on ultrafast melting of bismuthS. W. Epp0M. Hada1Y. Zhong2Y. Kumagai3K. Motomura4S. Mizote5T. Ono6S. Owada7D. Axford8S. Bakhtiarzadeh9H. Fukuzawa10Y. Hayashi11T. Katayama12A. Marx13H. M. Müller-Werkmeister14R. L. Owen15D. A. Sherrell16K. Tono17K. Ueda18F. Westermeier19R. J. D. Miller20 Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, GermanyA common challenge for pump-probe studies of structural dynamics at X-ray free-electron lasers (XFELs) is the determination of time zero (T0)—the time an optical pulse (e.g., an optical laser) arrives coincidently with the probe pulse (e.g., a XFEL pulse) at the sample position. In some cases, T0 might be extracted from the structural dynamics of the sample's observed response itself, but generally, an independent robust method is required or would be superior to the inferred determination of T0. In this paper, we present how the structural dynamics in ultrafast melting of bismuth can be exploited for a quickly performed, reliable and accurate determination of T0 with a precision below 20 fs and an overall experimental accuracy of 50 fs to 150 fs (estimated). Our approach is potentially useful and applicable for fixed-target XFEL experiments, such as serial femtosecond crystallography, utilizing an optical pump pulse in the ultraviolet to near infrared spectral range and a pixelated 2D photon detector for recording crystallographic diffraction patterns in transmission geometry. In comparison to many other suitable approaches, our method is fairly independent of the pumping wavelength (UV–IR) as well as of the X-ray energy and offers a favorable signal contrast. The technique is exploitable not only for the determination of temporal characteristics of the experiment at the interaction point but also for investigating important conditions affecting experimental control such as spatial overlap and beam spot sizes.http://dx.doi.org/10.1063/1.4999701 |
| spellingShingle | S. W. Epp M. Hada Y. Zhong Y. Kumagai K. Motomura S. Mizote T. Ono S. Owada D. Axford S. Bakhtiarzadeh H. Fukuzawa Y. Hayashi T. Katayama A. Marx H. M. Müller-Werkmeister R. L. Owen D. A. Sherrell K. Tono K. Ueda F. Westermeier R. J. D. Miller Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth Structural Dynamics |
| title | Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth |
| title_full | Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth |
| title_fullStr | Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth |
| title_full_unstemmed | Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth |
| title_short | Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth |
| title_sort | time zero determination for fel pump probe studies based on ultrafast melting of bismuth |
| url | http://dx.doi.org/10.1063/1.4999701 |
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