Emerging areas of scientific research using ultrashort-pulse x-ray sources

G. K. Shenoy

doi:10.1117/12.621406

30 August 2005 Emerging areas of scientific research using ultrashort-pulse x-ray sources

G. K. Shenoy

Proceedings Volume 5917, Fourth Generation X-Ray Sources and Optics III; 591709 (2005) https://doi.org/10.1117/12.621406
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Over the past few decades, scientists have focused their attention on the development of concepts and designs, leading to demonstrations, of unique x-ray sources to perform femtosecond and attosecond science. The rewards of such an effort in the x-ray wavelength range will revolutionize the subfields of atomic physics, molecular physics, biology, condensed matter physics and material science. A brief review of this subject and its impact on emerging areas of science will be presented. The storage-ring-based synchrotron radiation sources are today's workhorses in providing both time-averaged and time-resolved structural and chemical information with subnanosecond to subsecond resolution using x-ray imaging, spectroscopy and scattering techniques. On the other hand, many phenomena are ultrafast with characteristic periods of a few femtoseconds to tens of picoseconds. These include electronic motions around a nucleus in an atom, atomic and molecular vibrational motions in matter, spin dynamics, chemical and biological reactions, and phase transitions in response to photoexcitation. Probing such phenomena using photon-excited pump-probe experiments will require both optical and x-ray sources with comparable resolution. In the future, sources based on atypical concepts in storage-rings, table-top plasma sources, laser-based high harmonic generation (HHG) sources, linac-based sources, such as energy-recovery linacs (ERLs) and x-ray free-electron lasers (FELs), will likely meet these demands.

Citation Download Citation

G. K. Shenoy "Emerging areas of scientific research using ultrashort-pulse x-ray sources", Proc. SPIE 5917, Fourth Generation X-Ray Sources and Optics III, 591709 (30 August 2005); https://doi.org/10.1117/12.621406

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