Google scholar

Full name: Bijan Ghaffary

Position: Professor

Phone: 98-21-77451500-10   Ex: 3478Fax: 98-21-77240497

Email: ghafary AT iust.ac.ir

Address: Iran University of Science & Technology, Tehran, Iran

University Degrees:

• Ph.D: Ritsomeikan University

• MSc. : Tabriz University, Tabriz, Iran

• BSc. : Tabriz University, Tabriz, Iran

Current Research:

•  Photonics

• laser Beam Propagation

• laser Beam Characterization

•  Nonlinear Optics

  Publications- Journal Papers:

1. Generalized Stokes parameters and polarization behavior of flat-topped array laser beam propagating through oceanic turbulence

2. Terahertz radiation with high power and high efficiency in a magnetized plasma

3. Terahertz radiation generation and shape control by interaction of array Gaussian laser beams with plasma

4. A Novel Graphene-Based Electro-Optical Modulator Using Modulation Instability

5. Generation of terahertz radiation by beating of two laser beams in collisional magnetized plasma

6. Generalized Stokes parameters and polarization behavior of flat-topped array laser beam propagating through oceanic turbulence

7. Strong terahertz radiation generation by beating of two laser beams in magnetized overdense plasma

8. Strong terahertz radiation generation by beating of two spatial-triangular beams in collisional magnetized plasma

9. Stokes parameters of phase-locked partially coherent flat-topped array laser beams propagating through turbulent atmosphere

10. Experimental observation of low threshold optical bistability in exfoliated graphene with low oxidation degree

11. Generation of terahertz radiation by beating of two circular flat-topped laser beams in collisional plasma

12. Generation of terahertz radiation in collisional plasma by beating of two dark hollow laser beams

13. Scintillation index effects on the bit error rate in free space optical communication of incoherent flat-topped laser beam propagating through turbulent atmosphere

14. Temporal dynamics of optical bistability and modulation instability in colloidal nanoparticles

15. Protecting MRI rooms by dielectric diffraction gratings

16. Analysing the behaviour of partially coherent divergent Gaussian beams propagating through oceanic turbulence

17. Temporal modulation instability, transition to chaos in non-feedback biased photorefractive media

18. Propagation characteristics of tilted partially coherent rectangular flat-topped beam in turbulent atmosphere

19. Reliability analysis of the flat-topped array beam FSO communication link

20. Reliability analysis of FSO communication links using aberrated divergent rectangular partially coherent flat-topped beam

21. Changes in the width of the coherence for partially coherent flat topped beams with a circular aperture in turbulent atmosphere

22. Changes in the coherence properties of partially coherent dark hollow beam propagating through atmospheric turbulence

23. Focal shift and focal switch of phase-lock partially coherent flat-topped array beams passing through an aligned and misaligned lens system with aperture

24. Real time measurement of the spatial coherence using non-redundant two-dimensional aperture array

25. Beam propagation analysis of a multi beam FSO system with partially flat-topped laser beams in turbulent atmosphere

26. Changes in the spectral degree of polarization of a partially coherent dark hollow beam in the turbulent atmosphere for on-axis and off-axis propagation point

27. Changes in the state of polarization of partially coherent flat-topped beam in turbulent atmosphere for different source conditions

28. Focal shift and focal switch of partially coherent flat-topped beams passing through an alignment and misalignment lens system with aperture

29. Focal shift for off-axial partially coherent flat topped beams passing a thin lens

30. Electro-Optical Design of Imaging Payload for a Remote Sensing Satellite

31. Polarization characteristics of aberrated partially coherent flat-topped beam propagating through turbulent atmosphere

32. Transmittance of partially coherent flat topped beam with circular and elliptical symmetry in turbulence

33. Propagation properties of a non-circular partially coherent flat-topped beam in a turbulent atmosphere

34. Coherence characterization of partially coherent flat-topped beam propagating through atmospheric turbulence

35. Turbulence-induced degradation properties of partially coherent flat-topped beams

36. Spectral changes of partially coherent flat topped beam in turbulent atmosphere

37. Analysis of the propagation of flat-topped beam with various beam orders through turbulent atmosphere

38. Propagation properties of partially coherent beams through turbulent media with coherent modes representation

39. Analyzing beam propagation through atmospheric turbulence for different degrees of global coherency

40. OPTICAL SWITCHING OF BISTABLE LASER DIODE BY CONTROLLING DETUNED INPUT POWER WITH FREQUENCY CHIRPING

41. Wavelength tuning characteristics of a fabry-perot semiconductor laser with an external short cavity

42. Static and dynamic properties of bistable semiconductor lasers with external optical input

43. Dynamics of Optical Switching and Stability Analysis of a Polarization Bistable Laser Diode with Detuned External Light Injection

44. Switching of a semiconductor laser with multi-detuned optical inputs by controlling injection current

45. Dynamics of an optically switched bistable semiconductor laser