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Roman Spesyvtsev
Roman Spesyvtsev
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Year
Operation of a free-electron laser from the extreme ultraviolet to the water window
W Ackermann, G Asova, V Ayvazyan, A Azima, N Baboi, J Bähr, ...
Nature photonics 1 (6), 336-342, 2007
21172007
Detailed characterization of electron sources yielding first demonstration of European X-ray Free-Electron Laser beam quality
F Stephan, CH Boulware, M Krasilnikov, J Bähr, G Asova, A Donat, ...
Physical Review Special Topics-Accelerators and Beams 13 (2), 020704, 2010
1662010
Harnessing speckle for a sub-femtometre resolved broadband wavemeter and laser stabilization
NK Metzger, R Spesyvtsev, GD Bruce, B Miller, GT Maker, G Malcolm, ...
Nature Communications 8 (15610), 2017
1082017
Laser-wakefield accelerators for high-resolution X-ray imaging of complex microstructures
AE Hussein, N Senabulya, Y Ma, MJV Streeter, B Kettle, SJD Dann, ...
Scientific reports 9 (1), 3249, 2019
742019
Wide-field multiphoton imaging through scattering media without correction
A Escobet-Montalbán, R Spesyvtsev, M Chen, WA Saber, M Andrews, ...
Science Advances 4 (10), eaau1338, 2018
582018
Full observation of ultrafast cascaded radiationless transitions from S2 (ππ∗) state of pyrazine using vacuum ultraviolet photoelectron imaging
T Horio, R Spesyvtsev, K Nagashima, RA Ingle, Y Suzuki, T Suzuki
The Journal of chemical physics 145 (4), 2016
542016
Ultrafast dynamics of aniline following 269–238 nm excitation and the role of the S 2 (π3s/πσ*) state
R Spesyvtsev, OM Kirkby, HH Fielding
Faraday Discussions 157, 165-179, 2012
522012
Simultaneous generation of sub-20 fs deep and vacuum ultraviolet pulses in a single filamentation cell and application to time-resolved photoelectron imaging
T Horio, R Spesyvtsev, T Suzuki
Optics express 21 (19), 22423-22428, 2013
492013
Quantum dynamics study of the competing ultrafast intersystem crossing and internal conversion in the “channel 3” region of benzene
TJ Penfold, R Spesyvtsev, OM Kirkby, RS Minns, DSN Parker, ...
The Journal of Chemical Physics 137 (20), 2012
492012
Shedding new light on the role of the Rydberg state in the photochemistry of aniline
R Spesyvtsev, OM Kirkby, M Vacher, HH Fielding
Physical Chemistry Chemical Physics 14 (28), 9942-9947, 2012
462012
Observation of the wavepacket dynamics on the 1B2 (1Σu+) state of CS2 by sub-20 fs photoelectron imaging using 159 nm probe pulses
R Spesyvtsev, T Horio, YI Suzuki, T Suzuki
The Journal of chemical physics 142 (7), 2015
352015
Generation of sub-17 fs vacuum ultraviolet pulses at 133 nm using cascaded four-wave mixing through filamentation in Ne
T Horio, R Spesyvtsev, T Suzuki
Optics letters 39 (20), 6021-6024, 2014
342014
Excited-state dynamics of furan studied by sub-20-fs time-resolved photoelectron imaging using 159-nm pulses
R Spesyvtsev, T Horio, YI Suzuki, T Suzuki
The Journal of chemical physics 143 (1), 2015
332015
Optimizations of transverse projected emittance at the photo-injector test facility at DESY, location Zeuthen
S Rimjaem, F Stephan, M Krasilnikov, W Ackermann, G Asova, J Bähr, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2012
272012
Ultrafast dynamics through conical intersections and intramolecular vibrational energy redistribution in styrene
ADG Nunn, RS Minns, R Spesyvtsev, MJ Bearpark, MA Robb, ...
Physical Chemistry Chemical Physics 12 (48), 15751-15759, 2010
242010
Real-time detection of S (1D2) photofragments produced from the 1B2 (1Σu+) state of CS2 by vacuum ultraviolet photoelectron imaging using 133 nm probe pulses
T Horio, R Spesyvtsev, Y Furumido, T Suzuki
The Journal of Chemical Physics 147 (1), 2017
202017
Wide-field three-dimensional optical imaging using temporal focusing for holographically trapped microparticles
R Spesyvtsev, HA Rendall, K Dholakia
Optics Letters 40 (21), 4847-4850, 2015
172015
Measurements of transverse projected emittance for different bunch charges at PITZ
S Rimjaem, G Asova, J Bähr, HJ Grabosch, L Hakobyan, M Hänel, ...
Proceedings of FEL2010, 2010
172010
New Experimental results from PITZ
F Stephan, G Asova, J Bähr, C Boulware, HJ Grabosch, M Hänel, ...
162008
Investigations on the thermal emittance of Cs2Te photocathodes at PITZ
S Lederer, G Asova, JW Baehr, K Boyanov, C Boulware, HJ Grabosch, ...
Proceedings of FEL07, Novosibirsk, Russia, 2007
132007
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