Attosecond Science

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The group is active since 1988.
Research is focused on the demonstration, understanding and applications of new phenomena induced during the coherent and/or strong field interaction of laser radiation with atomic and molecular systems. During the last 12 years, emphasis is put on the physics of the generation and characterization of intense XUV attosecond radiation pulses, exploited in the study of non-linear phenomena in the XUV spectral region, including XUV-induced-XUV-probe dynamics at the boundary between femto- and atto-second scale.
The group is participating in several competitive European research programs, in some of which it is playing a world-leading role and has established a great number of effective international collaborations.
Recently the NSRF is funding two major projects of the group:
·         The “High Field Physics-Ultrafast Dynamics and Time Domain Ramsey-type Spectroscopy in extreme-ultraviolet (HFP-UD-TDRS)” project is funded in framework of the GSRT initiative to support the implementation of Greek proposals that have reached the second evaluation stage of the ERC program. The project aims at the generation and exploitation of intense (>1016 W/cm2) trains and isolated asec pulses in three state-of-the-art research directions: a) strong-XUV-field laser-matter interaction b) ultrafast electron wavepacket dynamics and c) time-domain Ramsey-type spectroscopy using broadband coherent XUV radiation.
·         The Attosecond Science and Technology (AST) facility is funded in the framework of the GSRT initiative to support national efforts towards participation of Greece in the European RI ELI and the perspective of AST becoming a National Research Infrastructure, as well as a Regional Partner Facility of ELI. The multidisciplinary AST-RI will operate attosecond beamlines with unprecedented specifications, providing unique opportunities in the unexplored research area of non-linear and strong field XUV phenomena occurring in the sub-fs temporal and nm spatial scales.

Contact Person(s):
Prof. Dimitris Charalambidis
Dr. Paraskevas Tzallas

Last Updated:  25/2/2013