Laboratories of USA Marine Forces 1980.

Institute of Plasma Physics KFA Julich – Germany 1981.

Bochum University Laboratory of Atomic & Molecular Spectroscopy – Germany 1981.

Frankfort University, Reactor Facility – Germany 1981.

Darmstadt University, Laser & Plasma Laboratories– Germany 1981.

CNRS Laboratories in Paris – France 1983.

Institute of Fluid Hydrodynamics Marseille – France – 1983.

GRECO Laser Laboratories of Palaisaue – France - 1983.

Viltaneause Laboratories of Laser – France – 1983.

Institute of Solar Energy, Madrid Technological University-Spain–1984.

University of Strasbourg, Laboratory of Condensed Matter & Non Linear Optics – France – 1985.

Institute of Plasma Physics KFA Julich – Germany – 1986.

Institute of Electron Microscopy Achen  – Germany – 1986.

Laboratory of Plasma Physics, Stuttgart University - Germany – 1986.

Ecole Normal Superieure, Laboratory of Optical Properties of Semiconductors & Heterojunctions, Paris – France – 1987.

Institute dَ Optique Theorique et Applique, Orasy – France – 1987.

University of Orasy, Laboratory of Molecular and Ionic Spectroscopy – France, April 1987.

University Piere et Marie Curie, Laboratory of Properties of Solids, Paris – France, June 1989.

Institute of Laser Application – Achen – Germany – June    1990.

Laboratory of Femto second Chemistry, Caltech, USA – January 1992.

Laboratory of Femto second Iaser, MIT, USA – November 1993.

Laboratory of Femto second Mol. Spec. Caltech, USA – May 1994.

Institute of Laser & Applications, Munich Um Univ. July 1994.

Institute of Solar Energy, Madrid Technological Univ. – Spain.

Laboratory of Prof. Michel Feld, MIT, USA – April 1995.

Institute of National Research, Tokyo – July 1997.

Laser Laboratory, University of Quebec, Canada – October 1998.

Laboratory of Molecular Structures, Caltech – USA – May 1999.

Laser Physics Lab., University Lamanchai, Toledo  - Spain - Sep. 2001

Tsinghua University, Beijing, China - 7-9 May 2007 Daejeon, South Korea, 10-12 May 2007

KAIST, Korean Advanced Instsitute of Science & Technology, CXRC, May 2007

KAERI, Korean Atomic Energy Research Institute, Daejeon, South Korea, 13 , 14-16 May 2007

APRI, Advanced Photonic research Institute, GIST, Gwangju, South Korea 16 May 2007

Coherent x-ray Research Center  ( CXRC ) at KAIST, Daejeon, South Korea,10- 19 Nov. 2008.

Quantum Beam Facility Center ( QBFC ), APRI, GIST, Gwangju, South Korea, 19-22 Nov. 2008.

UP