Dr. Khashayar Mehrany Profile

Dr. Khashayar Mehrany

Assistant Professor at Sharif Univ of Technology

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Publications (21)

Proceedings Article | 20 May 2011 Paper

Field of view extension using frequency division multiple access technique: numerical analysis

Zahra Kavehvash, Khashayar Mehrany, Saeed Bagheri

Proceedings Volume 8043, 80430F (2011) https://doi.org/10.1117/12.886569

KEYWORDS: Image resolution, 3D image processing, Integral imaging, Frequency division multiplexing, Quantization, 3D displays, Numerical analysis, Imaging systems, 3D image reconstruction, Spatial frequencies

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Proceedings Article | 15 May 2010 Paper

Optical bistable switching with Kerr nonlinear materials exhibiting a finite response time in two-dimensional photonic crystals

Ali Naqavi, Zahra MonemHaghdoost, Hooman Abediasl, Sina Khorasani, Khashayar Mehrany

Proceedings Volume 7713, 77131T (2010) https://doi.org/10.1117/12.854620

KEYWORDS: Photonic crystals, Bistability, Switches, Finite-difference time-domain method, Switching, Nonlinear optics, Dispersion, Crystal optics, Nonlinear response, Kerr effect

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Proceedings Article | 5 May 2010 Paper

Extension of depth of field using amplitude modulation of the pupil function for bio-imaging

Zahra Kavehvash, Saeed Bagheri, Khashayar Mehrany, Bahram Javidi, Emilio Sanchez, Manuel Martinez-Corral

Proceedings Volume 7690, 76900O (2010) https://doi.org/10.1117/12.850552

KEYWORDS: Spatial frequencies, Image filtering, Principal component analysis, Modulation transfer functions, Amplitude modulation, Imaging systems, Signal to noise ratio, Phase modulation, 3D image processing, Modulation

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Proceedings Article | 26 February 2010 Paper

Study of beam propagation in finite photonic crystals

Amin Khavasi, Khashayar Mehrany, Mehdi Miri, Ali Kazemi Jahromi, Sina Khorasani

Proceedings Volume 7597, 759728 (2010) https://doi.org/10.1117/12.845466

KEYWORDS: Beam propagation method, Refraction, Photonic crystals, Wave propagation, Interfaces, Solids, Finite-difference time-domain method, Gaussian beams, Light wave propagation, Dispersion

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Proceedings Article | 24 February 2010 Paper

Optimum operation of single cavity photonic switches

Ali Naqavi, Zahra Monem Haghdoost, Masoud Edalatipour, Sina Khorasani, Khashayar Mehrany

Proceedings Volume 7607, 760719 (2010) https://doi.org/10.1117/12.840463

KEYWORDS: Resonators, Switches, Switching, Waveguides, Solids, Transient nonlinear optics, Bistability, Optical switching, Curium, Telecommunications

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Proceedings Article | 14 February 2009 Paper

On the power-bandwidth trade-off in bistable photonic switches

Ali Naqavi, Hooman Abediasl, Khashayar Mehrany, Sina Khorasani, Meysam Chamanzar, Ali Adibi

Proceedings Volume 7223, 722308 (2009) https://doi.org/10.1117/12.809507

KEYWORDS: Finite-difference time-domain method, Switches, Photonic crystals, Bistability, Switching, Alternate lighting of surfaces, Data processing, Telecommunications, Optical switching, Nonlinear optics

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Proceedings Article | 27 July 2007 Paper

Performance analysis of optically bistable thresholders in optical code division multiple access networks

H. Abediasl, K. Mehrany, J. Salehi, B. Rashidian

Proceedings Volume 6729, 67292C (2007) https://doi.org/10.1117/12.751879

KEYWORDS: Code division multiplexing, Optical components, Bistability, Analytical research, Error analysis, Ultrafast phenomena, Binary data, Optical networks, Receivers, Laser damage threshold

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Proceedings Article | 6 February 2007 Paper

Analytical analysis of H polarized line-defect modes in two-dimensional photonic crystals based on hermite expansion of Floquet orders

Peyman Sarrafi, Amir Hossein Atabaki, Khashayar Mehrany, Sina Khorasani, Bizhan Rashidian, Ali Adibi

Proceedings Volume 6480, 64801D (2007) https://doi.org/10.1117/12.725950

KEYWORDS: Photonic crystals, Electromagnetism, Waveguides, Dielectrics, Dispersion, Radio propagation, Ordinary differential equations, Cladding, Finite-difference time-domain method, Differential equations

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Proceedings Article | 8 September 2006 Paper

Electromagnetic behavior of nano plasmonic layer

Khashayar Mehrany, Bizhan Rashidian, Maysamreza Chamanzar

Proceedings Volume 6343, 63433A (2006) https://doi.org/10.1117/12.707987

KEYWORDS: Interfaces, Wave propagation, Radio propagation, Dielectrics, Refractive index, Electromagnetism, Electromagnetic radiation, Reflection, Photonic crystals, Dielectric polarization

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Proceedings Article | 8 September 2006 Paper

Resonant tunneling based filter design using Legendre polynomial expansion

Maysamreza Chamanzar, Khashayar Mehrany, Bizhan Rashidian, Mahmood Akbari

Proceedings Volume 6343, 63433J (2006) https://doi.org/10.1117/12.708020

KEYWORDS: Optical filters, Refractive index, Electromagnetism, Linear filtering, Liquid phase epitaxy, Wavelength division multiplexing, Dense wavelength division multiplexing, Dispersion, Waveguides, Fabry–Perot interferometers

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Proceedings Article | 1 March 2006 Paper

Analytical analysis of defect lines in two-dimensional photonic crystals based on polynomial expansion of electromagnetic fields

Khashayar Mehrany, Sina Khorasani, Maysamreza Chamanzar, Amir Hossein Atabaki, Bizhan Rashidian

Proceedings Volume 6128, 61281Q (2006) https://doi.org/10.1117/12.645932

KEYWORDS: Photonic crystals, Electromagnetism, Radio propagation, Waveguides, Finite-difference time-domain method, Ordinary differential equations, Wave propagation, Differential equations, Analytical research, Dielectrics

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Proceedings Article | 5 October 2005 Paper

Dispersion and gain investigation of free electron laser based on Legendre polynomial expansion

Mohammad Hadi Eghlidi, Maysamreza Chamanzar, Khashayar Mehrany, Bizhan Rashidian, Mehdi Ranjbaran

Proceedings Volume 5971, 59712Q (2005) https://doi.org/10.1117/12.628541

KEYWORDS: Free electron lasers, Electron beams, Electromagnetic radiation, Electromagnetism, Optical amplifiers, Waveguides, Mirrors, Resonators, Diffraction gratings, X-rays

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Proceedings Article | 4 October 2005 Paper

Three-dimensional diffraction analysis of phase and amplitude gratings based on legender expansion of electromagnetic fields

Maysamreza Chamanzar, Khashayar Mehrany, Bizhan Rashidian, Mehdi Ranjbaran

Proceedings Volume 5971, 59712P (2005) https://doi.org/10.1117/12.628536

KEYWORDS: Electromagnetism, Diffraction gratings, Diffraction, Matrices, Promethium, Telecommunications, Radio propagation, Dielectrics, Picosecond phenomena, Polarization

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Proceedings Article | 3 April 2003 Paper

Bragg reflector for optical high-voltage sensor applications

Hamid Azarinia, Khashayar Mehrany, Bizhan Rashidian, Ahad Tavakkoli

Proceedings Volume 4944, (2003) https://doi.org/10.1117/12.468307

KEYWORDS: Reflection, Waveguides, Sensors, Reflectors, Refractive index, Electro optics, Electric field sensors, Diffraction gratings, Optical testing, Light wave propagation

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Proceedings Article | 3 April 2003 Paper

Performance of Ti:LNB directional coupler for optical high-voltage measurement

Hamidrerza Azarinia, Khashayar Mehrany, Bizhan Rashidian, Mohammad Firouzabadi

Proceedings Volume 4944, (2003) https://doi.org/10.1117/12.468302

KEYWORDS: Sensors, Waveguides, Directional couplers, Refractive index, Electric field sensors, Electro optics, Transformers, Integrated optics, Modulation, Diffusion

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Proceedings Article | 17 February 2003 Paper

Surface electromagnetic waves on dielectrics with conductive interface

Khashayar Mehrany, Sina Khorasani, Bizhan Rashidian

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.474842

KEYWORDS: Interfaces, Electromagnetic radiation, Dielectrics, Reflection, Wave propagation, Radio propagation, Electromagnetism, Dielectric polarization, Optical modulators, Optical filters

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Proceedings Article | 17 February 2003 Paper

Polynomial expansion for extraction of eigenmodes in layered waveguides

Khashayar Mehrany, Bizhan Rashidian

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.474744

KEYWORDS: Waveguides, Dispersion, Radio propagation, Magnetism, Wave propagation, Matrices, Wavelength division multiplexing, Electromagnetism, Numerical stability, Integrated optics

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Proceedings Article | 17 February 2003 Paper

Interface electromagnetic waves between Kronig-Penney photonic crystals

Khashayar Mehrany, Babak Momeni, Sina Khorasani, Bizhan Rashidian

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.474743

KEYWORDS: Photonic crystals, Interfaces, Electromagnetism, Electromagnetic radiation, Dispersion, Heterojunctions, Crystals, Bismuth, Matrices, Polarization

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Proceedings Article | 25 October 2002 Paper

Analytical solution of wave equation for arbitrary nonhomogeneous media

Sina Khorasani, Khashayar Mehrany

Proceedings Volume 4772, (2002) https://doi.org/10.1117/12.454845

KEYWORDS: Waveguides, Matrices, Chemical elements, Dispersion, Testing and analysis, Wave propagation, Refractive index, Modulation, Solids, Refraction

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Proceedings Article | 25 October 2002 Paper

Variational approach for extraction of leaky modes in layered waveguides

Khashayar Mehrany, Sina Khorasani, Bizhan Rashidian

Proceedings Volume 4772, (2002) https://doi.org/10.1117/12.454844

KEYWORDS: Waveguides, Wave propagation, Dispersion, Interfaces, MATLAB, Electrical engineering, Wavelength division multiplexing, Refractive index, Wavefronts, Electrochemical etching

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Proceedings Article | 4 September 2002 Paper

Surface wave excitation control by using interface conductivity on one-dimensional photonic crystals

Khashayar Mehrany, Sina Khorasani, Bizhan Rashidian

Proceedings Volume 4768, (2002) https://doi.org/10.1117/12.482191

KEYWORDS: Interfaces, Photonic crystals, Optical modulators, Optical filters, Electromagnetic radiation, Reflection, Electromagnetism, Optical components, Waveguides, Wave propagation

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Showing 5 of 21 publications

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