Benjamin K. Ofori-Okai
Benjamin K. Ofori-Okai
Panofsky Fellow, HEDS Division, PULSE Institute, SLAC National Accelerator Laboratory
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An ultrafast symmetry switch in a Weyl semimetal
EJ Sie, CM Nyby, CD Pemmaraju, SJ Park, X Shen, J Yang, MC Hoffmann, ...
Nature 565 (7737), 61-66, 2019
Spin properties of very shallow nitrogen vacancy defects in diamond
BK Ofori-Okai, S Pezzagna, K Chang, M Loretz, R Schirhagl, Y Tao, ...
Physical Review B 86 (8), 081406, 2012
Coherent two-dimensional terahertz magnetic resonance spectroscopy of collective spin waves
J Lu, X Li, HY Hwang, BK Ofori-Okai, T Kurihara, T Suemoto, KA Nelson
Physical review letters 118 (20), 207204, 2017
Invited Article: Single-shot THz detection techniques optimized for multidimensional THz spectroscopy
SM Teo, BK Ofori-Okai, CA Werley, KA Nelson
Review of scientific instruments 86 (5), 2015
Femtosecond Compression Dynamics and Timing Jitter Suppression in a THz-driven Electron Bunch Compressor
EC Snively, MAK Othman, M Kozina, BK Ofori-Okai, SP Weathersby, ...
Physical Review Letters 124 (5), 054801, 2020
Nonlinear two-dimensional terahertz photon echo and rotational spectroscopy in the gas phase
J Lu, Y Zhang, HY Hwang, BK Ofori-Okai, S Fleischer, KA Nelson
Proceedings of the National Academy of Sciences 113 (42), 11800-11805, 2016
Terahertz-based subfemtosecond metrology of relativistic electron beams
RK Li, MC Hoffmann, EA Nanni, SH Glenzer, ME Kozina, AM Lindenberg, ...
Physical Review Accelerators and Beams 22 (1), 012803, 2019
THz generation using a reflective stair-step echelon
BK Ofori-Okai, P Sivarajah, WR Huang, KA Nelson
Optics Express 24 (5), 5057-5068, 2016
Intermolecular Vibrations in Hydrophobic Amino Acid Crystals: Experiments and Calculations
MRC Williams, DJ Aschaffenburg, BK Ofori-Okai, CA Schmuttenmaer
The Journal of Physical Chemistry B 117 (36), 10444-10461, 2013
Transient terahertz photoconductivity measurements of minority-carrier lifetime in tin sulfide thin films: Advanced metrology for an early stage photovoltaic material
R Jaramillo, MJ Sher, BK Ofori-Okai, V Steinmann, C Yang, K Hartman, ...
Journal of Applied Physics 119 (3), 2016
Dynamical Slowing-Down in an Ultrafast Photoinduced Phase Transition
A Zong, PE Dolgirev, A Kogar, E Ergeçen, MB Yilmaz, YQ Bie, T Rohwer, ...
Physical Review Letters 123 (9), 097601, 2019
Super Subwavelength Guiding and Rejecting of Terahertz Spoof SPPs Enabled by Planar Plasmonic Waveguides and Notch Filters Based on Spiral-Shaped Units
L Ye, W Zhang, BK Ofori-Okai, W Li, J Zhuo, G Cai, QH Liu
Journal of Lightwave Technology 36 (20), 4988-4994, 2018
Two-Dimensional Spectroscopy at Terahertz Frequencies
J Lu, X Li, Y Zhang, HY Hwang, BK Ofori-Okai, KA Nelson
Multidimensional Time-Resolved Spectroscopy, 275-320, 2019
Chemically assisted femtosecond laser machining for applications in LiNbO3 and LiTaO3
P Sivarajah, CA Werley, BK Ofori-Okai, KA Nelson
Applied Physics A 112, 615-622, 2013
Chemically assisted femtosecond laser machining for applications in LiNbO3 and LiTaO3
P Sivarajah, CA Werley, BK Ofori-Okai, KA Nelson
Applied Physics A 112, 615-622, 2013
Setup for meV-resolution inelastic X-ray scattering measurements and X-ray diffraction at the Matter in Extreme Conditions endstation at the Linac Coherent Light Source
EE McBride, TG White, A Descamps, LB Fletcher, K Appel, FP Condamine, ...
Review of Scientific Instruments 89 (10), 10F104, 2018
Ultrafast multi-cycle terahertz measurements of the electrical conductivity in strongly excited solids
Z Chen, CB Curry, R Zhang, F Treffert, N Stojanovic, S Toleikis, R Pan, ...
Nature communications 12 (1), 1638, 2021
An approach for the measurement of the bulk temperature of single crystal diamond using an X-ray free electron laser
A Descamps, BK Ofori-Okai, K Appel, V Cerantola, A Comley, JH Eggert, ...
Scientific reports 10, 14564, 2020
Diamond formation kinetics in shock-compressed C─ H─ O samples recorded by small-angle x-ray scattering and x-ray diffraction
Z He, M Rödel, J Lütgert, A Bergermann, M Bethkenhagen, D Chekrygina, ...
Science Advances 8 (35), eabo0617, 2022
High-resolution inelastic x-ray scattering at the high energy density scientific instrument at the European X-Ray Free-Electron Laser
L Wollenweber, TR Preston, A Descamps, V Cerantola, A Comley, ...
Review of Scientific Instruments 92 (1), 2021
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