1- “Extraordinary Hall Effect in Laser Deposited Fe78Si19B3 Thin Films”,M. M. Tehranchi, S. M. Hamidi, M. Ghanaatshoar, S. M. Mohseni, MISM 2005, 25-30 June 2005, Russia.
2- “Bandgap Engineering In One Dimensional Photonic Crystals”,A. Bananej, Ch. Li, S. M.Hamidi,and M.M.Tehranchi, First International Congress on Nanoscience and Nanotechnology Faculty of Engineering , University of Tehran, 18th to 20th December 2006.
3- “The Effect of Particle Size of (Bi-YIG) on the Faraday Rotation and Transmission of Particulate Films”, M. Mozaffari, A. Hasanpour, J. Amighian, S. M. Hamidi, M. M. Tehranchi and M. Ghanaatshoar, The 1st International Symposium on Functional Materials, Materials 2005,Hilton Kuala, Lumpur, Malaysia, 6 – 8 December, 2005.
4- “Adjustable Faraday rotation by using engineered one dimensional magneto photonic crystals”, S. M.Hamidi, M.M.Tehranchi, A. Bananej, M. Ghanaatshoar, intermag 2008, Madrid 4-8 may 2008.
5- “Magneto optical Kerr effect in Glass/CoFeSiB/ Cu/ SnO2 thin film”, M. Ghanaatshoar, M. Moradi, M.M. Tehranchi, S.M. Hamidi, ninth international workshop on non- crystalline solids, 27-30 April 2008, Porto, Portugal.
6- “Magnetic behaviours of amorphous Fe78Si9B13 thin films prepared by pulsed laser deposition”, S.M. Hamidi, M.M. Tehranchi, M. Ghanaatshoar, M. Moradi, S.M. Mohseni, ninth international workshop on non- crystalline solids, 27-30 April 2008, Porto, Portugal.
7- “The influence of laser annealing in the presence of longitudinal weak magnetic field on asymmetrical magnetoimpedance response of CoFeSiB amorphous ribbons”, M. Ghanaatshoar, N. Nabipour, M.M. Tehranchi , S.M. Hamidi, S.M. Mohseni, ninth international workshop on non- crystalline solids, 27-30 April 2008, Porto, Portugal.
8- ” Effects of target rotation rate on the structural and morphological properties of thin garnet films fabricated by pulsed laser deposition”, S. M. Hamidi, M. M. Tehranchi, A. Hasanpour, M. Mozaffari, J. Amighian, International Conference on Superconductivity and Magnetism ICSM- 2010,Antalya, Turkey,25-30, 2010.
9- “magneto-optical Faraday rotation in CeYIG thin films incorporating gold nanoparticles “, S. M. Hamidi, M. M. Tehranchi, International Conference on Nanoscale Magnetism (ICNM-2010), September 28 – October 2, 2010, Gebze, Turkey.
10- “Photonic Band Gap of One-dimensional magnetized Coupled Resonator Plasma Photonic Crystals”, S. M. Hamidi, S. S. Hamidi, The Seventh International Conference on Magnetic andSuperconducting Materials 2011, 10-13 October 2011, Port Dickson, Negeri Sembilan, Malaysia.
11- “Flat-top Optical Response in One-dimensional coupled Resonator Magneto-Optical waveguide”, S. M. Hamidi, M. M. Tehranchi, The Seventh International Conference on Magnetic and Superconducting Materials 2011, 10-13 October 2011, Port Dickson, Negeri Sembilan, Malaysia.
12- “Magneto-optical Properties of Magnetoferroelectric Bismuth substituted yttrium iron oxide”, M. M. Tehranchi, S. M. Hamidi, S. M. Khalkhali, The Seventh International Conference on Magnetic and Superconducting Materials 2011, 10-13 October 2011, Port Dickson, Negeri Sembilan, Malaysia.
13- “Effect of Au nanoparticels on longitudinal magneto-optical Kerr effect of magneto-plasmonic multilayer”, S. M. Hamidi, M. M. Tehranchi, 4th International Conference on Nanostructures (ICNS4), 12-14 March, 2012, Kish Island, I.R. Iran.
14- “Efficient optical bistability in one-dimensional magneto-optical waveguide”, S. M. Hamidi, third International Conference on Superconductivity and Magnetism” (ICSM2012), Kumburgaz/Istanbul, Turkey between April 29- May 4, 2012.
15- “ Longitudinal magneto-optical Kerr effect in magneto-plasmonic heterostructures”, S. M. Hamidi, M. M. Tehranchi, third International Conference on Superconductivity and Magnetism” (ICSM2012), Kumburgaz/Istanbul, Turkey between April 29- May 4, 2012.