Member of the Institut Polytechnique de Paris (IPP), the Laboratoire d’Optique Appliquée has played a pioneer role on laser-matter interaction and plasma physics for more than 30 years.  The research activity covers a broad spectrum of topics in ultrafast laser science including  the development of ultra-intense femtosecond laser systems, the physics of laser filamentation in air and the realization of compact sources of ultrafast energetic radiation and particles for societal, academic and industrial applications.