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  1. No Access

    Chapter and Conference Paper

    Seeded Soft X-Ray Lasers: Towards OAM Beam Amplification and Quasi-Pi-pulse Regime

    We  in this paper  studies on  plasma-based  X-ray lasers using the LASERIX . After an overview of  source setup and , we will discuss two prospects  might increase the interest of  coherent soft X-ra...

    O. Guilbaud, F. Sanson, A. K. Pandey, E. Papagiannouli, J. Demailly… in X-Ray Lasers 2018 (2020)

  2. No Access

    Chapter and Conference Paper

    High-Charge XUV Vortex Beam: Generation and Hartmann Wavefront Sensor Characterization

    In this , we  the  of high charge  structure of an OAM beam  through high-harmonic  in a rare gas using an XUV Hartmann  sensor. We show that the phase-  absorption high-  generation is  to retain th...

    F. Sanson, A. K. Pandey, F. Harms, G. Dovillaire, E. Baynard… in X-Ray Lasers 2018 (2020)

  3. No Access

    Article

    Collective properties of a relativistic electron beam injected into a high intensity optical lattice

    Behaviour of a relativistic electron bunch, injected and trapped in a high intensity optical lattice resulting from the interference of two laser beams is studied. The optical lattice modifies the phase space...

    I. A. Andriyash, Ph. Balcou, V. T. Tikhonchuk in The European Physical Journal D (2011)

  4. Article

    Reply to comment on “Proposal for Raman X-ray free electron laser”

    Ph. Balcou in The European Physical Journal D (2011)

    Download PDF (58 KB)

  5. No Access

    Article

    Proposal for a Raman X-ray free electron laser

    A scheme for an X-ray free electron laser is proposed, based on a Raman process occurring during the interaction between a moderately relativistic bunch of free electrons, and twin intense short pulse lasers ...

    Ph. Balcou in The European Physical Journal D (2010)

  6. No Access

    Chapter and Conference Paper

    Probing coherent optical phonons by Extreme Ultraviolet radiation based on high-order harmonic generation

    We report an experimental approach we used in order to time-resolve coherent optical phonon oscillations in a bismuth (111) oriented bulk crystal by extreme ultraviolet (XUV) and soft x-ray femtosecond pulses ...

    E. Papalazarou, D. Boschetto, J. Gautier, C. Valentin, M. Marsi… in Ultrafast Phenomena XVI (2009)

  7. No Access

    Article

    A high-intensity highly coherent soft X-ray femtosecond laser seeded by a high harmonic beam

    Synchrotrons have for decades provided invaluable sources of soft X-rays, the application of which has led to significant progress in many areas of science and technology. But future applications of soft X-ray...

    Ph. Zeitoun, G. Faivre, S. Sebban, T. Mocek, A. Hallou, M. Fajardo, D. Aubert… in Nature (2004)

  8. No Access

    Article

    Recent developments in X-UV optics and X-UV diagnostics

    Metrology of XUV beams (X-ray lasers, high-harmonic generation and VUV free-electron lasers) is of crucial importance for the development of applications. We have thus developed several new optical systems en...

    Ph. Zeitoun, Ph. Balcou, S. Bucourt, F. Delmotte, G. Dovillaire… in Applied Physics B (2004)

  9. No Access

    Article

    Optimization of the focused flux of high harmonics

    Following the theoretical predictions [1], the observation of two-photon processes by interaction of vacuum ultraviolet (VUV) radiation with inner-shell levels of atoms requires focused intensities in the 1013-10

    S. Kazamias, D. Douillet, C. Valentin… in The European Physical Journal D - Atomic, … (2003)

  10. No Access

    Article

    High order harmonic generation optimization with an apertured laser beam

    We report a systematic study of high order harmonic generation with an infrared laser apertured by an iris, as a function of the aperture size. Measurements were made of harmonic generation efficiency for diff...

    S. Kazamias, F. Weihe, D. Douillet… in The European Physical Journal D - Atomic, … (2002)

  11. No Access

    Article

    Kilohertz extreme-ultraviolet light source based on femtosecond high-order harmonic generation from noble gases

    A compact, versatile table-top kilohertz source of coherent extreme-ultraviolet (XUV) radiation in the wavelength region 18–100 nm, based on high-order harmonic generation from noble gases induced by a 40-femt...

    N.A. Papadogiannis, C. Kalpouzos, E. Goulielmakis, G. Nersisyan… in Applied Physics B (2001)

  12. No Access

    Article

    Non-thermal melting in semiconductors measured at femtosecond resolution

    Ultrafast time-resolved optical spectroscopy has revealed new classes of physical1, chemical2 and biological3 reactions, in which directed, deterministic motions of atoms have a key role. This contrasts with the ...

    A. Rousse, C. Rischel, S. Fourmaux, I. Uschmann, S. Sebban, G. Grillon… in Nature (2001)

  13. No Access

    Article

    High-order harmonic generation in rare gases: a new source in photoionization spectroscopy

    We demonstrate that we can use the extreme ultraviolet radiation produced by high order harmonic generation to perform photoionization experiments. With harmonics from the 11th to the 69th of a 140 fs Cr:LiSAF...

    Ph. Balcou, P. Salières, K. S. Budil… in Zeitschrift für Physik D Atoms, Molecules … (1995)

  14. No Access

    Chapter

    Recent Results in High-Order Harmonic Generation

    High order harmonic generation by atoms in intense laser fields has drawn considerable attention in the last few years. Experiments1–5 have demonstrated the possibility to reach wavelengths shorter than 8 nm with...

    Ph. Balcou, P. Salières, Anne L’Huillier in Super-Intense Laser-Atom Physics (1993)