Sharif Digital Repository

Accurate and fast extraction of the bloch eigenmodes of fiber gratings

Author

Jazayeri, A. M.

Pub. Year

2013

Subjects

Bragg conditions. / Coupled-mode theory. / Fast extraction. / Fiber gratings. / Modulation depth. / Ordinary matrix. / Radial coordinates. / Reflection and transmission. / Refractive index. / Extraction.

Critical ambient pressure and critical cooling rate in optomechanics of electromagnetically levitated nanoparticles

Author

Jazayeri, A. M.

Publisher

The Optical Society,

Pub. Year

2021

Subjects

Cooling. / Ground state. / Optomechanics. / Ambient pressures. / Cooling rates. / Coulomb forces. / Critical cooling rate. / Critical value. / Electromagnetic forces. / Feedback cooling. / Gradient force. / Measurement Noise. / Particle motions. / Spurious signal noise.

Critical study and discrimination of different formulations of electromagnetic force density and consequent stress tensors inside matter

Author

Jazayeri, A. M.

Pub. Year

2014

Subjects

Electric fields. / Electromagnetism. / Momentum. / Relativity. / Abraham momentum. / Electromagnetic force density. / Electromagnetic forces. / Homogeneous media. / Mathematical expressions. / Momentum of light. / Physical meanings. / Special relativity. / Tensors.

Analytical approach in finding the semi-optimum hollow-core Bragg fiber with minimum loss

Author

Jazayeri, A. M.

Pub. Year

2011

Subjects

1-D photonic crystal. / Bragg fiber. / confinement loss. / 1-D photonic crystal. / Analytical approach. / Bragg fiber. / Bragg fibers. / Bragg mirrors. / Closed-form expression. / confinement loss. / Cylindrical structure. / Floquet theorem. / Hollow-core. / Propagation constant. / Rigorous approach. / Transverse electric modes. / Wave numbers. / Cylinders (shapes) / Fibers. / Mirrors. / Optimization. / Photonic bandgap fibers. / Photonic crystals. / Waveguides. / Bragg cells.

All-dielectric structure for trapping nanoparticles via light funneling and nanofocusing

Author

Jazayeri, A. M.

Pub. Year

2017

Subjects

Diffraction. / Resonators. / Dielectric nanoparticles. / Dielectric structure. / Diffraction limits. / Dipole approximation. / Field intensity. / Normalized gradient. / Optical trapping force. / Trapping potential. / Nanoparticles.

Cosmological perturbations and the Weinberg theorem

Author

Akhshik, M.

Publisher

Institute of Physics Publishing,

Pub. Year

2015

Subjects

cosmological perturbation theory. / inflation.

Effective field theory of non-attractor inflation

Author

Akhshik, M.

Publisher

Institute of Physics Publishing,

Pub. Year

2015

Subjects

Cosmological perturbation theory. / Inflation.

Medical image segmentation for skin lesion detection via topological data analysis

Author

Jazayeri, N.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Barcodes. / Computer aided diagnosis. / Diseases. / Image segmentation. / Medical imaging. / Topology. / Images processing. / Lesion detection. / Medical image segmentation. / Performance. / Persistent homology. / Ripser. / Skin cancers. / Skin lesion. / Topological data analysis. / Topological image processing. / Dermatology.

Study of the numerical artifacts in differential analysis of highly conducting gratings

Author

Khavasi, A.

Pub. Year

2008

Subjects

Differential analysis. / Inverse rule. / Metallic gratings. / Space harmonics. / Fourier analysis. / Harmonic analysis. / Inverse problems. / Diffraction gratings.

Optimization of head CT protocol to reduce the absorbed dose in eye lenses and thyroid: A phantom study

Author

Kalhor, P.

Publisher

Mashhad University of Medical Sciences,

Pub. Year

2019

Subjects

Computed tomography (CT) / Eye lens. / Thyroid. / Hospitals. / Phantoms. / Absorbed dose. / Anthropomorphic phantoms. / Computed tomography scan. / Phantom studies. / Standard protocols. / Tube currents. / Computerized tomography.

Inflationary power asymmetry from primordial domain walls

Author

Jazayeri, S.

Pub. Year

2014

Subjects

Cosmic strings. / cosmological perturbation theory. / domain walls. / inflation. / monopoles.

Design and fabrication of a microstrip phase shifter based on liquid crystal / Sadegh Rajabi Doulataabadi; Seyed Hossein Hosseini Biuki; Farid Khoshkhati; Seyed Abbas Jazayeri Moghadas; Mohammad Masoudi Mohammadi; Mehdi Ahmadi-Boroujeni.

Author

Doulataabadi, S. R.

Publisher

IEEE,

Pub. Year

2024

Subjects

Liquid crystal. / Microstrip line. / Phase shifter. / Integrated circuit design. / Microstrip lines. / Millimeter wave devices. / Printed circuit design. / Printed circuit manufacture. / Structural dynamics. / Surface discharges. / Anisotropic material.

Recent activities in science and technology and the progress of women in physics in the last three years in Iran

Author

Izadi, D.

Pub. Year

2013

Subjects

Basic sciences. / Iran. / Women in physics.

Lead-free MAGeI3 as a suitable alternative for MAPbI3 in nanostructured perovskite solar cells: a simulation study

Author

Mehrabian, M.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2023

Subjects

Environment-friendly solar cells. / Mott–Schottky curves. / Nanomaterials. / Photovoltaic nanodevices. / TiO₂.