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- Japan Synchrotron Radiation Research InstituteJP301 papers
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13 papers · 1 filter
Phase-sensitive tip-enhanced sum frequency generation spectroscopy using temporally asymmetric pulse for detecting weak vibrational signals
Atsunori Sakurai, Shota Takahashi, Tatsuto Mochizuki +3
Vibrational sum frequency generation (SFG) spectroscopy is a powerful technique for investigating molecular structures, orientations, and dynamics at surfaces. However, its spatial…
Microwave One-way Transparency by Large Synthetic Motion of Magnetochiral Polaritons in Metamolecules
Kentaro Mita, Toshiyuki Kodama, Toshihiro Nakanishi +4
We observe microwave nonreciprocal one-way transparency via ultrastrongly-coupled magnetochiral polaritons (MChPs) in a metamolecule at room temperature. The experimental results u…
Tip-Enhanced Sum Frequency Generation for Molecular Vibrational Nanospectroscopy
Atsunori Sakurai, Shota Takahashi, Tatsuto Mochizuki +1
Vibrational sum frequency generation (SFG) is a nonlinear spectroscopic technique widely used to study the molecular structure and dynamics of surface systems. However, the spatial…
Delayed onset and directionality of x-ray-induced atomic displacements observed on subatomic length scales
Ichiro Inoue, Victor Tkachenko, Konrad J. Kapcia +6
Transient structural changes of AlO on subatomic length scales following irradiation with an intense x-ray laser pulse (photon energy: 8.70 keV; pulse duration: 6 fs; fluen…
Shortening X-ray Pulse Duration via Saturable Absorption
Ichiro Inoue, Yuichi Inubushi, Taito Osaka +4
To shorten the duration of x-ray pulses, we present a nonlinear optical technique using atoms with core-hole vacancies (core-hole atoms) generated by inner-shell photoionization. T…
A self-referenced in-situ arrival time monitor for X-ray free-electron lasers
Michael Diez, Andreas Galler, Sebastian Schulz +11
We present a novel, highly versatile, and self-referenced arrival time monitor for measuring the femtosecond time delay between a hard X-ray pulse from a free-electron laser and an…