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Colloquium

Train elite scientist with creativity and global leadership.

Colloquium

The bellow is colloquium schedule in Physics department. Every Wednesday 4:00 PM, colloquium is held in seminar room (Science Building III -201) Also, Free tea time will be held 30 minutes before colloquium stars. Please visit and enjoy the colloquium and tea time.

 

Colloquium 장소 및 시간: 세미나실(공학3동 201호) 오후 4시
연락처 : 물리학과 김지훈교수 (279-2077), jeehoon@postech.ac.kr

          물리학과 사무실 김수경 (279-5971) skyung@postech.ac.kr

Coherent X-ray Diffraction: An application of x-ray free electron laser

speaker : Do Young Noh[GIST]

location :

date : 2013-10-2

Ultrashort intense coherent x-ray pulses generated from x-ray free electron lasers (XFEL) provide new research opportunities in condensed matters, materials, and biological systems. One of the most important applications of XFEL pulses is to utilize their coherent properties for advanced diffraction and imaging techniques. In this presentation, we introduce the principle of coherent diffraction imaging including image reconstruction and phase retrieval. In addition, we present our recent results on coherent x-ray diffraction imaging using XFEL pulses as well as synchrotron x-rays. The impact of the future coherent x-ray imaging would be great in molecular biology and nanoscience since the structural evolution of a specific molecule or a particle can be followed in a proper time scale.