Soft X-ray harmonic lasing self-seeded free electron laser at Pohang Accelerator Laboratory X-ray free electron laser

2018 ◽  
Vol 112 (21) ◽  
pp. 213506 ◽  
Author(s):  
Inhyuk Nam ◽  
Chang-Ki Min ◽  
Changbum Kim ◽  
Haeryong Yang ◽  
Gyujin Kim ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
X Ray ◽  
Pohang Accelerator Laboratory

Stripline beam position monitor for X-ray free electron laser of Pohang Accelerator Laboratory

2019 ◽  
Vol 90 (9) ◽  
pp. 093306
Author(s):  
Changbum Kim ◽  
Sojeong Lee ◽  
Juho Hong ◽  
Dongchul Shin ◽  
Heung-Sik Kang ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Beam Position Monitor ◽  
Beam Position ◽  
X Ray ◽  
Pohang Accelerator Laboratory

Multifarious injection chamber for molecular structure study (MICOSS) system: development and application for serial femtosecond crystallography at Pohang Accelerator Laboratory X-ray Free-Electron Laser

2018 ◽  
Vol 25 (2) ◽  
pp. 323-328 ◽  
Author(s):  
Jaehyun Park ◽  
Seonghan Kim ◽  
Sangsoo Kim ◽  
Ki Hyun Nam
Keyword(s):  
Molecular Structure ◽  
Free Electron ◽  
Free Electron Laser ◽  
System Development ◽  
Diagnostic System ◽  
Experimental System ◽  
Structure Study ◽  
X Ray ◽  
Pohang Accelerator Laboratory ◽  
Serial Femtosecond Crystallography

The multifarious injection chamber for molecular structure study (MICOSS) experimental system has been developed at the Pohang Accelerator Laboratory X-ray Free-Electron Laser for conducting serial femtosecond crystallography. This system comprises several instruments such as a dedicated sample chamber, sample injectors, sample environment diagnostic system and detector stage for convenient distance manipulation. Serial femtosecond crystallography experiments of lysozyme crystals have been conducted successfully. The diffraction peaks have reached to ∼1.8 Å resolution at the photon energy of 9.785 keV.

scholarly journals Time-resolved resonant elastic soft x-ray scattering at Pohang Accelerator Laboratory X-ray Free Electron Laser

2020 ◽  
Vol 91 (8) ◽  
pp. 083904
Author(s):  
Hoyoung Jang ◽  
Hyeong-Do Kim ◽  
Minseok Kim ◽  
Sang Han Park ◽  
Soonnam Kwon ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Time Resolved ◽  
X Ray ◽  
X Ray Scattering ◽  
Pohang Accelerator Laboratory ◽  
Ray Scattering

Recent Progress of the PAL-XFEL after User Service Start

2021 ◽  
Vol 30 (5) ◽  
pp. 15-18
Author(s):  
Changbum KIM ◽  
Chi Hyun SHIM ◽  
Inhyuk NAM ◽  
Haeryong YANG ◽  
Chang-Ki MIN ◽  
...  
Keyword(s):  
Pulse Energy ◽  
Free Electron ◽  
Present Status ◽  
Free Electron Laser ◽  
Recent Progress ◽  
Beam Quality ◽  
X Ray ◽  
The Public ◽  
Pohang Accelerator Laboratory ◽  
Pal Xfel

The X-ray Free Electron Laser of the Pohang Accelerator Laboratory (PAL-XFEL) was open to the public in 2017 and started user service. Even after the user service had started, improvement of beam quality was continuously attempted, and several meaningful results were achieved. In this paper, we present recent progress in the PAL-XFEL, including the present status of its operation. The increase in the FEL pulse energy is explained, and the generation of a self-seeding FEL is described. In addition, the generation of a two-color FEL is mentioned.

scholarly journals Laser systems for time-resolved experiments at the Pohang Accelerator Laboratory X-ray Free-Electron Laser beamlines

2019 ◽  
Vol 26 (3) ◽  
pp. 868-873 ◽  
Author(s):  
Minseok Kim ◽  
Chang-Ki Min ◽  
Intae Eom
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Near Infrared ◽  
Fundamental Wave ◽  
Regenerative Amplifier ◽  
X Ray ◽  
Laser Systems ◽  
Pohang Accelerator Laboratory ◽  
Optical Laser ◽  
Pal Xfel

Optical laser systems for ultrafast X-ray sciences have been established at the Pohang Accelerator Laboratory X-ray Free-Electron Laser (PAL-XFEL) beamlines. Three Ti:sapphire regenerative amplifier systems are synchronized to the XFEL with femtosecond precision, and the low temporal jitter of the PAL-XFEL results in an experimental time resolution below 150 fs (full width at half-maximum). A fundamental wave and its harmonics are currently provided for all beamlines, and tunable sources from ultraviolet to near-infrared are available for one beamline. The position stability of the optical laser extracted from the intensity-based center of mass at the sample position is less than 3% (r.m.s.) of the spot size.

X-Ray Free Electron Laser Facility for Next Generation of Scientific Exploration and Discovery

2011 ◽  
Vol 131 (2) ◽  
pp. 68-71
Author(s):  
Etsuo FUJIWARA ◽  
Eiichi ANAYAMA ◽  
Yuichiro KATSUTA ◽  
Toshiki IZUTANI ◽  
Daichi OKUHARA ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Next Generation ◽  
X Ray ◽  
Scientific Exploration ◽  
Laser Facility

X-ray Free Electron Laser SACLA

2014 ◽  
Vol 134 (12) ◽  
pp. 836-839
Author(s):  
Junichi INOUE ◽  
Yuji TANAKA ◽  
Yuki MATSUMOTO ◽  
Kensuke KANDA
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
X Ray
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