Objective The aim of the network is to develop harmonic generation processes so that they become a useful XUV source with well characterized and understood properties. There are three objectives : 1. to understand the basic physics governing harmonic generation in strong fields 2. to characterize the emitted radiation 3. to demonstrate the usefulness of this radiation for applications.The physical origin of the cutoff in harmonic generation in intense laser fields has been clarified. The classical interpretation of the generation of high harmonics has been further explored, with results on the ellipticity dependence of harmonics as well as a new and simple theoretical approach. The generation of harmonics from atoms and ions and the influence of pulse shapes have been studied. Harmonic generation efficiencies between neutral and atomic systems have been compared. Control of the third harmonic conversion through laser induced continuum structure has been studied. Above threshold ionization with high repetition rates has been investigated and some harmonic generation experiments on solid targets have been performed. Angular distributions of harmonics have been studied. The results show a narrowing of the angular distributions in the cutoff region. Temporal profiles of low order harmonics have been measured showing in particular the influence of electron dispersion. Spectral profiles have been measured. A first application of harmonics in atomic spectroscopy has been demonstrated. Using the successive harmonics of a chromium doped lithium strontium aluminium fluoride (LiSAF) laser, the relative photoionization cross sections of the rare gases have been measured over the range 10 to 120 ev. Fields of science natural scienceschemical sciencesinorganic chemistryalkali metalsnatural scienceschemical sciencesinorganic chemistrytransition metalsnatural scienceschemical sciencesinorganic chemistryalkaline earth metalsnatural scienceschemical sciencesinorganic chemistrypost-transition metalsnatural sciencesphysical sciencesopticslaser physics Programme(s) FP3-HCM - Specific research and technological development programme (EEC) in the field of human capital and mobility, 1990-1994 Topic(s) Data not available Call for proposal Data not available Funding Scheme CSC - Cost-sharing contracts Coordinator COMMISSARIAT A L'ENERGIE ATOMIQUE Address Ctr etudes de saclay -ce-s 91191 Gif sur yvette France See on map EU contribution € 0,00 Participants (5) Sort alphabetically Sort by EU Contribution Expand all Collapse all FOUNDATION OF RESEARCH AND TECHNOLOGY - HELLAS Greece EU contribution € 0,00 Address Vasilika vouton 71110 Iraklion See on map Imperial College of Science, Technology and Medicine United Kingdom EU contribution € 0,00 Address Blackett laboratory prince consort road SW7 2BZ London See on map Lund University Sweden EU contribution € 0,00 Address 221 00 Lund See on map MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V. Germany EU contribution € 0,00 Address 1,hans-kopfermann-strasse 1 85748 Garching See on map THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD United Kingdom EU contribution € 0,00 Address Keble road 1- denys wilkinson building OX1 3RH Oxford See on map
