Bright Future of Coherent, Ultra-Bright, and Ultra-Fast X-ray Free Electron Laser (XFEL)

Dr. Yujong Kim
Free Electron Laser Laboratory
Duke University


Recently, many laboratories in the world are trying to build next generation light source facilities which can supply coherent, ultra-bright, and femtosecond long X-rays. Up to now, linear accelerator (linac) based X-ray Free Electron Laser (XFEL) has been considered as the best candidate to supply such an advanced photon beam. With advanced next generation X-rays, we can open femto-sciences in biology and chemistry and various new research fields in physics, structural biology, and material science which need femtosecond resolution in time and atomic resolution in space. During this seminar, speaker will talk about limitations of currently available normal X-rays, working principles of linac based XFEL, advantages of XFEL photon beams, and applications of XFEL photon beams. Then speaker will talk on planned XFEL projects in the world, and recent research results at their operating test facilities.