مرور International Journal of Optics and Photonics بر اساس عنوان
در حال نمایش موارد 1 - 20 از 198
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Absorption of DCM Dye in Ethanol: Experimental and Time Dependent Density Functional Study
(Tehran, Optics and Photonics Society of Iran, 2018-01-01)Experimental and theoretical absorption spectra of [2-[2-[4-(dimethylamino) phenyl]ethenyl]-6-methyl-4H- pyran-4-ylidene]-propanedinitrile (DCM) have been studied. UV-Visible (UV-Vis.) absorption spectrum of DCM has been ...
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Add-Drop Filter and Refractive Index and Temperature Sensor Using 2D Photonic Crystal Ring Resonator
(Tehran, Optics and Photonics Society of Iran, 2022-07-01)In this paper, a structure is proposed using ring resonator created on 2D photonic crystal (PC) that acts as an add-drop filter (ADF) in all-optical communication systems. The same structure can also act as refractive index ...
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Adjustable Plasmonic Bandgap in One-Dimensional Nanograting Based on Localized and Propagating Surface Plasmons
(Tehran, Optics and Photonics Society of Iran, 2019-12-01)Compared to the long history of plasmonic gratings, there are only a few studies regarding the bandgap in the propagation of plasmonic surface waves. Considering the previous studies on interpretation of plasmonic bandgap ...
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All-Optical Graphene-Based Modulation of Surface Plasmon Polaritons via Modulation Instability for Secure Optical Communication
(Tehran, Optics and Photonics Society of Iran, 2020-12-01)In this paper, an all optical graphene-based modulation approach is proposed induced by Modulation Instability (MI). The device structure is based on graphene sheets transferred on the both arms of a Mach-Zehnder interferometer ...
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Analyzing the Optical Properties and Peak Behavior Due to Plasmon Resonance of Silver Cubic-Shape Nanostructures by Means of Discrete Dipole Approximation
(Tehran, Optics and Photonics Society of Iran, 2021-12-01)In this article, the optical properties of silver cubic-shape nanostructures (SCNs) were analyzed by employing the discrete dipole approximation (DDA) in aqueous media. The absorption, dispersion and extinction cross-sections ...
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Antibacterial Plasmonic Nanostructures Based on Ag Nanoparticles for Tritanopia Color Vision Deficiency (CVD) Management
(Tehran, Optics and Photonics Society of Iran, 2023-06-01)Color vision deficiency (CVD), or color blindness, is a prevalent ocular disorder that hinders the recognition of different colors, affecting many people worldwide (8−10% of males and 0.4−0.5% of females). Recently, there ...
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Arbitrary Amplitude Ion Acoustic Wave in a Pair Ions and Electron Plasma with Trapped Electrons
(Tehran, Optics and Photonics Society of Iran, 2021-01-01)Propagation of ion acoustic solitary waves (IASWs) in electronegative plasma containing positive and negative ions, trapped and non-thermal electrons are investigated. Using the Sagdeev pseudopotential method and investigation ...
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Atomic Gradiometers for Accuracy Enhancement of Heart Magnetic Fields Measurement
(Tehran, Optics and Photonics Society of Iran, 2023-06-01)The measurement of magnetic field generated by heart activity is crucial for the diagnosis and treatment of heart diseases and failures. Atomic magnetometers are an excellent choice for detecting bio-magnetic fields due ...
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Birefringence Properties and Surface Relief Grating Formation on Methylacrylate Polymers with Photochromic Side Chains
(Tehran, Optics and Photonics Society of Iran, 2010-01-01)We have studied light-induced birefringence (LIB) and surface relief grating (SRG) formation in the series of methylacrylate polymers. The effect of material structure such as length of photochromic side chain, glass ...
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Calculating Magnetic Permeability Response of a Conducting Square Ring Structure
(Tehran, Optics and Photonics Society of Iran, 2013-08-01)In the present work, we investigate the tunability of the magnetic response of a new structure. A lattice of periodically arranged close-packed square conducting rings has been studied for this purpose. Here, instead of ...
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Characteristics of the Temporal Behavior of Entanglement between Photonic Binomial Distributions and a Two-Level Atom in a Damping Cavity
(Tehran, Optics and Photonics Society of Iran, 2019-01-01)In the present study, temporal behavior of entanglement between photonic binomial distributions and a two-level atom in a leaky cavity, in equilibrium with the environment at a temperature T, is studied. In this regard, ...
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Coherent Transport of Single Photon in a Quantum Super-cavity with Mirrors Composed of Λ-Type Three-level Atomic Ensembles
(Tehran, Optics and Photonics Society of Iran, 2010-06-01)In this paper, we study the coherent transport of single photon in a coupled resonator waveguide (CRW) where two threelevel Λ-type atomic ensembles are embedded in two separate cavities. We show that it is possible to ...
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Combined Effects of Temperature and Optical Path-Length on Ozone Gas Absorption Cross Section at 257.34nm and 279.95nm in Relation to Green Communications
(Tehran, Optics and Photonics Society of Iran, 2021-12-01)The value of ozone absorption cross section (OACS) is a key parameter used in the configuration of gas sensors. Sadly, the variations of certain parameters among others such as temperature, pressure, and optical path-length ...
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Comparing Bactericidal Effect of Pulsed Flash Lamp and Continuous Sterilization UV Lamps with a Cold Atmospheric Pressure Plasma Jet on E. Coli Solid Growth Medium
(Tehran, Optics and Photonics Society of Iran, 2021-12-01)Pulsed UV sterilizer lamps and cold atmospheric pressure plasma are the newest technologies that have been proposed as feasible alternatives in the traditional sterilization method. The main objective of this project was ...
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Comprehensive Theoretical Study on Threshold Power of Stimulated Brillouin Scattering in Single-Mode Fibers
(Tehran, Optics and Photonics Society of Iran, 2013-06-01)We have investigated and developed a theoretical approach to explore stimulated Brillouin scattering (SBS) phenomena in single mode fiber. SBS happening threshold power condition has been studied in terms of fiber parameters ...
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Computational Modeling of Thermal Effects in Optogenetic Neurostimulation
(Tehran, Optics and Photonics Society of Iran, 2022-07-01)ta charset="UTF-8" >Optogenetics is an advanced optical tool in neuroscience research. However, light stimulation in optogenetic experiments may also affect neural function by generating heat. In this paper, the effect of ...
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Deriving Generalized Born-Markov Optical Master Equation for Analysis of Inelastic Tunneling Under Non Equilibrium Condition
(Tehran, Optics and Photonics Society of Iran, 2022-07-01)A generalized Born-Markov master equation for describing inelastic tunneling under non-equilibrium interaction is recommended. Rate equations are extracted and analyzed for reaching maximization in tunneling rates. Possible ...
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Design and Construction of a Seismometer Based on the Moiré Technique: Detailed Theoretical Analysis, Experimental Apparatus, and Primary Results
(Tehran, Optics and Photonics Society of Iran, 2016-04-01)We have built a vertical seismometer that works based on the moiré technique. One grating is attached to the suspended mass and one to the frame of the instrument. The two gratings are in relative motion, and the resulting ...
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Design of a High Power 10-KW Solid-state Heat Capacity Laser and the Thermal Management
(Tehran, Optics and Photonics Society of Iran, 2023-01-01)The simulation results of a 10-kW heat capacity slab laser are presented. Two different schemes for optical pumping with high-power laser diodes are investigated. The simulation of optical pumping using ZEMAX software ...
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Design of a Low Index Silicon Micro Ring Resonators
(Tehran, Optics and Photonics Society of Iran, 2020-12-01)Optical resonators where light will circulate in two opposite directions independently. Usually, the two distinct topologies of optical resonators are Linear and Ring. Two end mirrors with perpendicular light incidence ...



