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 and Superconducting 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.
16- “Azimuthally control of propagation direction of Plasmons in gold nanoparticle-coated diffraction grating”, M. Zamani, M. Amini, S. M. Hamidi, R. Masoudi, 5th international congress on nanoscience and nanotechnology, 22- 24 Oct 2014.
17- “Fabrication and Characterization of a composite consists of Ferromagnetic Nanowires as a Microwave Filter”, A. Sobhani, A. Aftabi, S. M. Hamidi, M. Najafi, 5th international congress on nanoscience and nanotechnology, 22- 24 Oct 2014.
18- “Polar Magneto-Optical Kerr Rotation Enhancement in Au/Co/Au Magneto-Plasmonics multilayer by Use of Kretschmann Configuration”, H. Goudarzi, S. M. Hamidi, 5th international congress on nanoscience and nanotechnology, 22- 24 Oct 2014.
- “Improving gas sensing performance in magneto-plasmonic sensors based on Au/Co/Au nano-layers covered by TiO2 nanoparticles”, M. Hamidi, M. Afsharnia, Asian Nano Forum Conference, 8-11 March 2015, Kish Island.
- “Depositing of multiferroics BaTiO3/BiFeO3 multilayer heterostructure by plasma plume assisted pulsed laser deposition”, E. Heydari, Z. Azizi, M. Hamidi, M. M.
Tehranchi, International conference on plasma science and applications, Najafabad, Isfahan, p. 143,8- 10 Sep. 2015.
- “ Prepartation of Bismuth ferrite thin film by the aid of plasma plume in pulsed laser deposition”, E. Haghverdi, Z. Azizi, M. Hamidi, M. M. Tehranchi, International conference on plasma science and applications, Najafabad, Isfahan, P.154, 8- 10 Sep. 2015.
- Manipulation of Atomic Spin Synchronization for Sensitivity Improvement of Optically Pumped Magnetometers, M. Ranjbaran, M. M. Tehranchi, M. H. Khalkhali, M. Hamidi, MSM 2018, Tehran.
- Nano-Plasmonic Interferometer for extra-performance biomolecular detection, Z. Khajemiri, M. Hamidi, ICNN2018, Tehran.
- Effect of Nematic Liquid Crystal on the Nonlinear Properties of Gold Nanoparticles Using Z-Scan Technique, H. Mbarak, M. Hamidi, E. Mohajerani, E. Zaattar, ICNN2018, Tehran.
- Two channel Magneto-optical isolator based on semi-MIM and semi-IMI magneto-plasmonic structure, R. Moradlu, M. Hamidi, ICNN2018, Tehran.
- Flexible neuro-plasmonic sensor based on patterned two dimensional structure to detect methadone, T Asadishad, F Sohrabi, SM Hamidi, MA Ansari, S Farivar, M Karimi, Saratov Fall Meeting 2019: Optical and Nano-Technologies for Biology and Medicine, 2020.
- Low Threshold and Coherence Random Laser Based on ZnO Nanorods, Hammad R. Humud, S.F. Haddawi, R.A. Ejbarah, A.K. Kodeary, S.M. Hamidi, PAM conference, Turkey, October 2020.
- Efficient circular dichroism in spiral all dielectric nanostructure, F. Sohrabi, M. Ghasemi, M. Hamzezadeh, S. M. Hamidi, ICNS8, sharif, 2020.
- Detection of physiology signals by surface lattice resonance in two dimensional nano plasmonic structure, S. Akbari, S. M. Hamidi, N. Roostaei, A. Zamani, ICNN2021, Sharif University, 2021.