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Journal of Synchrotron Radiation, ISSN 1600-5775, 05/2019, Volume 26, Issue 3, pp. 868 - 873
Optical laser systems for ultrafast X‐ray sciences have been established at the Pohang Accelerator Laboratory X‐ray Free‐Electron Laser (PAL‐XFEL) beamlines.... 
amplifier systems | beamlines | time‐resolved XFEL experiments | optical lasers | XFELs | fundamental waves | INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | BOND FORMATION | OPTICS | time-resolved XFEL experiments | Femtosecond | Vibration | Laser beams | Laboratories | Sapphire | Lasers
Journal Article
Nature Photonics, ISSN 1749-4885, 11/2017, Volume 11, Issue 11, pp. 708 - 713
The hard X-ray free-electron laser at the Pohang Accelerator Laboratory (PAL-XFEL) in the Republic of Korea achieved saturation of a 0.144 nm free-electron... 
PAL-XFEL | DESIGN | PHYSICS, APPLIED | BEAMLINE | FACILITY | OPTICS | UNDULATOR | Timing jitter | Femtosecond | Vibration | Laboratories | Photon beams | Radiation | Stability analysis | Laser beams | Superconducting supercolliders | Light sources | Alignment | Electron beams | Lasers | Spectrum analysis | Orbital stability | Acceleration | Coherent light | Electrons | State of the art | Free electron lasers | X ray spectra
Journal Article
Journal of Chemical Physics, ISSN 0021-9606, 12/2009, Volume 131, Issue 24, pp. 244507 - 244507-7
Polar solvation dynamics of coumarin 153 in acetonitrile, methanol, and butanol are investigated by dynamic Stokes shift function, S ( t ) . In small protic... 
METHANOL | PULSE SPECTROSCOPY | absorption | solvation | NONPOLAR SOLVATION | two-photon processes | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | VISCOELASTIC CONTINUUM MODEL | time resolved spectra | luminescence | fluorescence | WATER MIXTURES | POLYATOMIC SOLUTES | COMPUTER-SIMULATION | NONDIPOLAR SOLVENTS | organic compounds | TRANSIENT ABSORPTION | ACETONITRILE
Journal Article
Review of Scientific Instruments, ISSN 0034-6748, 12/2014, Volume 85, Issue 12, p. 125112
Journal Article
Review of Scientific Instruments, ISSN 0034-6748, 03/2016, Volume 87, Issue 3, p. 035107
Journal Article
Physical Review Letters, ISSN 0031-9007, 03/2012, Volume 108, Issue 10, p. 103901
We demonstrate that a single-pulse characterization of electronic optical activity-free induction decay, which carries information on both circular dichroism... 
RESOLVED CIRCULAR-DICHROISM | PHYSICS, MULTIDISCIPLINARY | DYNAMICS | GENERATION | INFRARED-SPECTROSCOPY | BAND | JUMP
Journal Article
The Journal of Physical Chemistry A, ISSN 1089-5639, 09/2007, Volume 111, Issue 37, pp. 8910 - 8917
Photochromic ring closure reaction dynamics of 1,2-bis(2-methylbenzo[b]thiophen-3-yl)hexafluoro cyclopentene and its derivatives in solution has been studied... 
SWITCHES | SPECTROSCOPY | QUANTUM YIELD | ULTRAFAST DYNAMICS | COLORATION | POLYMER | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | PHOTOCHROMIC DITHIENYLETHENE DERIVATIVES | CHEMISTRY, PHYSICAL | SOLVATION DYNAMICS | PHOTOSWITCH | BISTHIENYLETHENE | Chemical reactions | Spectra | Analysis | Ethylene
Journal Article
Chemical Society Reviews, ISSN 0306-0012, 5/2012, Volume 41, Issue 12, pp. 4457 - 4466
Intrinsic handedness encountered in molecular sciences plays an essential role in diverse physical, chemical and biological processes. Optical activity... 
SPECTRAL INTERFEROMETRY | RESOLVED CIRCULAR-DICHROISM | 2-DIMENSIONAL INFRARED-SPECTROSCOPY | CONFORMATIONAL-CHANGES | OPTICAL-ROTATORY DISPERSION | DYNAMICS | SYSTEMS | SECONDARY STRUCTURE | CHEMISTRY, MULTIDISCIPLINARY | BROAD-BAND
Journal Article
Bulletin of the Korean Chemical Society, ISSN 1229-5949, 04/2019, Volume 40, Issue 4, pp. 352 - 358
Photochromic ring closure reaction dynamics of 1,2‐bis(2‐methylbenzo[b]thiophene‐3‐yl)hexafluoro cyclopentene is investigated by means of time‐resolved... 
Femtosecond dynamics | Time‐resolved fluorescence | Photochromic ring closure | Time-resolved fluorescence | PHASE | CYCLOREVERSION | ULTRAFAST DYNAMICS | PHOTOCHROMIC REACTIONS | STATE | PICOSECOND | REACTION DYNAMICS | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 05/2015, Volume 91, Issue 5
Despite its unique capability of distinguishing molecular handedness, chiroptical spectroscopy suffers from the weak-signal problem, which has restricted more... 
ENANTIOSELECTIVITY | SPECTROSCOPY | SPIN | OPTICAL-ROTATORY DISPERSION | VIBRATIONAL CIRCULAR-DICHROISM | LIGHT | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | OPTICS | SCATTERING | CHIRAL MOLECULES | BROAD-BAND
Journal Article
Applied Sciences (Switzerland), ISSN 2076-3417, 05/2017, Volume 7, Issue 5, p. 479
The construction of Pohang Accelerator Laboratory X-ray Free-Electron Laser (PAL-XFEL), a 0.1-nm hard X-ray free-electron laser (FEL) facility based on a... 
PAL-XFEL | Construction | LINAC | Free electron laser | Beamline | PAL | FEL | Commissioning | beamline | PHYSICS, APPLIED | free electron laser | MATERIALS SCIENCE, MULTIDISCIPLINARY | construction | CHEMISTRY, MULTIDISCIPLINARY | commissioning | Installation | Lasers | Particle physics | Lasing | Linear accelerators
Journal Article
by Eom, I and Yoon, E and Baik, SH and Lim, YS and Joo, T
OPTICS EXPRESS, ISSN 1094-4087, 12/2014, Volume 22, Issue 25, pp. 30512 - 30519
Femtosecond time-resolved signals often display oscillations arising from the nuclear and electronic wave packet motions. Fourier power spectrum is generally... 
PUMP-PROBE EXPERIMENTS | SIGNALS | OPTICS | WALLED CARBON NANOTUBES | RAMAN-SPECTROSCOPY | RESOLUTION
Journal Article
Optics Express, ISSN 1094-4087, 05/2011, Volume 19, Issue 10, pp. 10017 - 10028
We demonstrate that broadband electronic optical activity can be measured with supercontinuum light pulse generated by a femtosecond pump (800 nm). It is the... 
SPECTRAL INTERFEROMETRY | RESOLVED CIRCULAR-DICHROISM | CONFORMATIONAL-CHANGES | ELECTRIC-FIELD | FOURIER-TRANSFORM SPECTROSCOPY | DYNAMICS | SIGNALS | ROTATORY DISPERSION | IR SPECTROSCOPY | OPTICS
Journal Article
Review of Scientific Instruments, ISSN 0034-6748, 05/2018, Volume 89, Issue 5, p. 055105
We report an overview of soft X-ray scientific instruments and X-ray optics at the free electron laser (FEL) of the Pohang Accelerator Laboratory, with... 
FREE-ELECTRON LASER | INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | OPERATION | EXTREME-ULTRAVIOLET
Journal Article
EPJ Web of Conferences, ISSN 2101-6275, 2013, Volume 41, pp. 12012 - np
We demonstrate that an ultimately sensitive chiroptical measurement at single femtosecond pulse level can be achieved using heterodyne-detection techniques.... 
Femtosecond pulses | Spectroscopy | Spectrometry | Chirality | Time domain | Electronics | Optical activity
Conference Proceeding
Journal of Analytical Science and Technology, ISSN 2093-3134, 12/2011, Volume 2, Issue Supplement A, pp. A103 - A107
Optical activity spectroscopy provides rich structural information of biologically important molecules in condensed phases. However, a few intrinsic problems... 
molecular chirality | femtosecond spectroscopy | optical activity | heterodyned detection
Journal Article
Optics Express, 12/2014, Volume 22, Issue 25, pp. 30512 - 30519
Journal Article
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