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1631 articles for “Abstractive”
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Optical Characteristics of Amorphous Se-Ge-Ag Thin Films
Abstract: AbstractDetailed studies on impurity dependence of the optical structural properties have been carried out on Se-Ge-Ag thin film samples prepared by thermal evaporation technique. The effect of the addition of varying amounts of silver in concentrations from 5 to 15 molar percent to Se-Ge system were analyzed systematically under the room temperature. The optical transmission and reflection spectra of these films were measured in the range of 300–900 nm. The …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 33–38 Read article
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Multi-variable Analysis and Optimization of Electrical Discharge Machining Process Using a PCA-ANN Based Approach
Abstract: AbstractThe optimum selection of process parameters has played a crucial role in electrical discharge machining (EDM) for improving the material removal rate, reducing the tool wear rate and radial overcut. In this paper, optimum parameters while machining 202 stainless steel using copper electrode as a tool has been investigated. For optimization of process parameters along with multiple quality characteristics, principal component analysis coupled with artificial neural network method has been …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 39–45 Read article
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BER Performance of Hybrid 2×8 SCM/WDM System Based on Raman Amplifier
Abstract: AbstractWhen subcarrier multiplexing (SCM) is combined with wavelength division multiplexing (WDM) the resultant hybrid multiplexing strategy can benefit from readily available commercial components. Hybrid SCM/WDM systems are quite useful for LAN and MAN applications. They can provide broadband integrated services to the subscriber. This paper investigates the performance of two module SCM transmitter that consist of eight binary phase shift keying modulated data streams each transmitted at a speed of …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 1–7 Read article
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Performance Study with Grating Based Optical Thermal Sensor
Abstract: AbstractFiber optic sensing technology is one of the emergent technologies in the present digital world exercising for numerous sensing applications. Accordingly sensing and linked measurement is striking field, one of the key functions for the upcoming generation, swiftly hunting for the significant information security issues. Consequently researchers have grown up their concentration. So, in this sight the article presents performance investigation for the thermal optical sensor based on the Fiber …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 8–13 Read article
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Design of Plasmonic Based Splitters for WDM Applications
Abstract: AbstractPlasmonics has special property of metallic nanostructures to allow manipulation and routing of light at nanoscale. In this paper, 1×2 and 1×4 splitters are designed using metal-insulator-metal (MIM) plasmonic waveguides. These proposed splitter designs could be used to conquer various filtering devices for high assimilation in surface plasmon polaritons based metallic surfaces. The results are verified using finite difference time domain (FDTD).Keywords: Plasmonics waveguides, surface plasmons, finite difference time domain …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 14–19 Read article
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Analysis of LC Oscillation Presence and Its Impacts in 765 kv Line Connected With Non-Switchable Shunt Reactor
Abstract: AbstractThe transmission lines are one of the most important parts of the power system. The number of line faults in transmission line is more compared with the total number of faults in the whole power system. Distance protection is commonly used in long transmission lines. It works on the basis of increase or decreases in predetermined value of circuit admittance, impedance, or reactance. Shunt reactors are connected in high voltage …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 20–24 Read article
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Feasibility Analysis of Advanced Modulation Techniques for FSO in Different Weather Conditions
Abstract: AbstractIn recent times, the ever increasing demand of higher bandwidth and more data rate had led researchers to explore new dimensions in wireless technology. One of the most promising fields is that of free-space optics (FSO). Light is used to carry information through space with the physical medium being the air. This paper investigates the effect on Q-factor and power loss for various advanced modulation schemes under different weather conditions. …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 1–7 Read article
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Real-Life Demonstration on the Surface-Driven Capillary Flow in Microfluidic Devices
Abstract: AbstractIn this research paper, glass and PMMA are chosen as materials to fabricate the microfluidic devices due to the optical transparency of these materials. The microfluidic devices are fabricated by the maskless lithography (non-contact lithography), hot embossing lithography (contact lithography), indirect bonding technique, and direct bonding technique. The surface-driven capillary flow is recorded corresponding to each microfluidic device by a CMOS camera. The colour-images are compared with the gray-scale-images for …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 8–17 Read article
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Performance Study in Modified DPSK, MZI Delay Mismatch at 40Gbps Fiber Dispersive Channel
Abstract: AbstractHigher data rate transmission is a desirable feature for the communication system in every era. As they have potentially higher fiber capacity, also have lower cost per bit. This paper presents performance investigation with partial differential phase shift keying and influence of MZI delay mismatch in the high data rate dispersive channels. Ideal fiber braggs grating is considered as fiber dispersive medium with different dispersion. Numerical simulation depicts that in …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 18–23 Read article
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Effect of Surface Wettability on the Surface-Driven Capillary Flow in SU-8 Microchannels
Abstract: AbstractSU-8 microfluidic devices have been fabricated by the maskless lithography. Passive capillary flow is suitable to manipulate liquid in the lab-on-a-chip systems. The surface-driven capillary flow of dyed water in each microfluidic device has been recorded and analysed. The measured static water contact angles are 72.6°and 81.2° on the hydrogenated amorphous carbon (a-C:H) deposited flat surface and Si-a:C:H deposited flat surface respectively. Either, a-C:H or Si-a:C:H has been deposited on …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 24–29 Read article
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Comparative Study on Red Tacton with Other Technologies
Abstract: AbstractRed tacton is a communication between the object and the human. This technology is easy to use services and it activates the communication. This paper describes about the networking through touching in the human body for the transmission of the data. This networking technology was developed by Robin Gaur Jind, he described that the body of the human with safe and speed. The red tacton is a chip which is …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 30–34 Read article
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Analysis of Modulation Response of a 450 nm True Blue Semiconductor Laser by Varying Differential Gain
Abstract: AbstractIn this work the analysis of modulation response of a 450 nm InGaN based multi-quantum well (MQW) true blue semiconductor laser have been presented. The internal designing of 450 nm blue laser has been done before. but the desired wavelength of 450 nm was obtained by adjusting the exact concentration of In0.211Ga0.789N/Al0.07Ga0.93N in this work. The effects on modulation response by varying the differential gain have been observed. Also, the …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 1, 2015 · pp. 1–8 Read article
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Fourier Transform and Optical Analogy of the Sharply Pulsed E.P. Seismic Signals Propagating Through The Core of Earth
Abstract: AbstractLike light rays that encounter a water surface, seismic rays are governed by the laws of reflection and refraction. Eventually, there exist wave properties within these. Due to rigorous BIS (breakdown of integrated system) processes, severe consequences like earthquakes occur. The waves that are generated in an earthquake down into the interior of the earth are called earthquake waves or seismic waves. In the present paper, the author will consider …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 1, 2015 · pp. 9–12 Read article
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Analysis of Saturation Power based on Device Structural Parameters of a 1550 nm Symmetrical MQW Semiconductor Optical Amplifier
Abstract: AbstractThis paper presents the effect of device structure parameters on the saturation power of a 1550 nm symmetrical Multi Quantum Well (MQW) Semiconductor Optical Amplifier (SOA) for a small signal amplifier gain of 30 dB. Expressions are given to assess this dependency and the results indicate that saturation power decreases with the increase of the number of wells, well thickness and length but increases with the increase of barrier thickness. …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 1, 2015 · pp. 13–18 Read article
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On Tuning Mechanisms In Existing Recent Patents on Tunable Photonic Crystals
Abstract: AbstractThis manuscript studies the photonic band gap tuning mechanisms in recent patents on tunable photonic crystals and suggest ideas to enhance the tuning control capability of photonic band gaps in these patents.Keywords: Photonic crystals, external stimulus, tunable spectraCite this Article:Anirudh Banerjee. On Tuning Mechanisms In Existing Recent Patents on Tunable Photonic Crystals. Trends in Opto-electro & Optical Communication. 2015; 5(1): 19–21p.
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 1, 2015 · pp. 19–21 Read article
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An Analysis of Optical Transmission System using Fiber Bragg Grating (FBG) with Power Optimization and Dispersion Compensation
Abstract: AbstractThe Fiber Bragg Grating (FBG) is a low cost filter for wavelength selection and also has low insertion loss. We know that Dispersion Compensation (DC) and Power Optimization (PO) are one of the most important parameters of the optical communication system. In this proposed communication model, dispersion compensation has been achieved and also we optimized almost same power at the receiver end, also we have calculated output power for different …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 2, 2015 · pp. 1–5 Read article
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A Survey on Congestion Control in Wireless Network Using Different Protocols
Abstract: AbstractThis paper presents a complete summary of work on congestion control in wireless network within the layers of the wireless network protocol. This paper is about the wireless network and the congestion in wireless network, describe the routing protocols such as proactive and reactive protocols (DSDV, DSR and AODV). Explain queue management and types of queue management such as Active Queue Management (AQM) and Passive Queue Management (PQM) and their …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 2, 2015 · pp. 6–11 Read article
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An Efficient Approach for Detection of Wormhole Attack in MANET
Abstract: AbstractMobile Adhoc Network (MANET) consists of a huge amount of the mobile nodes with wireless communications and computation capabilities. Due to their diverse applications, Adhoc networks are appealing for use in many domains. These networks operate in the license free frequency band and do not require any investment in infrastructure, making them attractive for military and selected commercial applications. Security is a central concern in the MANET. The MANET is …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 2, 2015 · pp. 12–22 Read article
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Free-Space Optical Communications: A Review
Abstract: AbstractIn last five decades Free-Space Optical communication (FSO) is becoming more and more interesting domain. In this review article we have explained, an overview of the tasks that a system designer considers while implementing an FSO system. We have also introduced the pros and cons along the path from the transmitter through which the medium is connected to the receiver.Keywords: Free-space optical communications, high altitude platforms, refraction turbulenceCite this ArticleHasting …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 2, 2015 · pp. 27–31 Read article
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Multi-way Protection Scheme to Handle Multiple Failures for Cost-Efficient Fiber-Wireless (FiWi) Access Networks
Abstract: AbstractFiber Wireless (FiWi) access networks prove themselves as promising broadband access networks. These networks enable users to access services in “Anywhere-Anytime” fashion. FiWi networks offer higher bandwidth and better flexibility at much lower price than passive optical network. As FiWi supports high data rate (typically about Gigabits per second), any failure may results in huge data loss. Therefore, to protect such loss of data, we need to design a more …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 3, 2015 · pp. 1–15 Read article