1-  Wiebel instability in microwave gas discharges, Qeshme international conference on plasma physics (2002).

2- Wiebel instability in microwave gas discharge with linear  strong pulsed field,   international conference on microwave gas discharges,  Zinowites-Germany (July 2003).

3- Wiebel instability in microwave gas discharge with circularly strong pulsed field, IGPIC (July 2003) Greifswald –Germany.

4- Relativistic effect on the weibel instability on circularly polarized microwave field, ICPP (Oct 2004), Nice-France.

5- Parametric instability in microwave discharge with linear polarization pulsed field, IGPIC (July 2005) Netherlands-Eindhoven.

6-Resonance parametric instability in microwave gas discharges produced by circular polarization fields, IGPIC (July 2005) Netherlands-Eindhoven.

7-  Calculation of dielectric tensor elements in microwave gas discharges with circularly polarization in the presence of a static magnetic field,  ICPP  (June 2006) Kiev-Ukraine.

8- Participated in summer collage of plasma physics, ICTP-Italy -2007.

9-Participated in summer collage of plasma physics, ICTP-Italy -2009.

10-Numerical analyzing of unstable mode propagating along the external magnetic field on magnetized microwave produced plasma.  63 annual gaseous electronic conference, 4-8 October, 2010, Paris, France.