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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
20992007
Detailed characterization of electron sources yielding first demonstration<? format?> 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
1682010
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
1102017
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
702019
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
572018
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
552016
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
532012
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
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
322015
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
142007
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