Stress Induced Birefringence in Polymer Optical Waveguides

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Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659449260
Total Pages : 188 pages
Book Rating : 4.4/5 (492 download)

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Book Synopsis Stress Induced Birefringence in Polymer Optical Waveguides by : Md. Faruque Hossain

Download or read book Stress Induced Birefringence in Polymer Optical Waveguides written by Md. Faruque Hossain and published by LAP Lambert Academic Publishing. This book was released on 2014-08-26 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the detailed investigation of stress-induced birefringence in polymer optical waveguides and demonstrates an approach for the potential design of polarization-insensitive waveguide devices considering such stress-effects. To estimate the stresses accurately, it presents a process-modeling framework in the Finite Element analysis, which can incorporate important stress build-up processes, such as polymerization shrinkage, stress relaxation, and etching, over the entire history of the waveguide fabrication process. It also presents the characterization of the stress-optic and thermo-optic coefficients of polymers in thin film waveguide. Being generic in nature, the described approach enables the optimized design of various integrated optical devices from the standpoint of material systems, waveguide geometry, and process parameters. This book is expected to lay the groundwork for the researchers on the management of stress related problems in integrated optical devices and photonic packaging.

Stress-induced Birefringence Analysis for the Efficient Design of Polymer Optical Waveguide Devices

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Publisher :
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.:/5 (713 download)

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Book Synopsis Stress-induced Birefringence Analysis for the Efficient Design of Polymer Optical Waveguide Devices by : Md. Faruque Hossain

Download or read book Stress-induced Birefringence Analysis for the Efficient Design of Polymer Optical Waveguide Devices written by Md. Faruque Hossain and published by . This book was released on 2010 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical Attenuation in Siloxane Polymer Waveguides

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Publisher : Lulu.com
ISBN 13 : 0578049147
Total Pages : 115 pages
Book Rating : 4.5/5 (78 download)

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Book Synopsis Optical Attenuation in Siloxane Polymer Waveguides by : Shashikant Hegde

Download or read book Optical Attenuation in Siloxane Polymer Waveguides written by Shashikant Hegde and published by Lulu.com. This book was released on with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of Optical Loss Changes in Siloxane Polymer Waveguides During Thermal Curing and Aging

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (268 download)

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Book Synopsis Investigation of Optical Loss Changes in Siloxane Polymer Waveguides During Thermal Curing and Aging by : Shashikant G. Hegde

Download or read book Investigation of Optical Loss Changes in Siloxane Polymer Waveguides During Thermal Curing and Aging written by Shashikant G. Hegde and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In high performance electronic systems, with increasing chip speed and larger number of processors, the system performance is being limited by off-chip metal interconnects. In such systems, polymer optical waveguides are being considered to replace electrical interconnects because of their high capacity for bandwidth and less constraints on interconnect length. The optical loss in the polymer optical waveguides is the key criterion used to evaluate their performance, and is significantly affected by thermal curing and aging. The evolution of degree-of-cure is determined from differential scanning calorimetry and compared to optical absorption from spectroscopy. Optical loss due to scattering mechanisms is related to local density fluctuations, which is studied using dielectric analysis. Based on the optical loss trends in uncladded and cladded waveguides, the underlying mechanisms for the optical loss variations are proposed and a cure process schedule to realize the lowest optical loss is recommended. Process-induced thermal stresses can also affect the polymer waveguide by introducing stress birefringence. The stress-optical coefficients of the siloxane polymer are extracted and employed in a numerical modeling method to determine the stress-induced birefringence in an optical waveguide system. The thermal-aging dependent optical loss is determined for waveguide samples at several different accelerated temperature conditions. To get the field-use conditions, the temperature distribution in the vicinity of the embedded laser and the polymer waveguide is determined. Using such thermal experimental data, the analytical reliability models were employed to relate the optical loss with time, and provide a practical way of determining whether the optical waveguides would perform within the optical loss budget during field-use conditions.

Advanced Materials for Integrated Optical Waveguides

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Publisher : Springer Science & Business Media
ISBN 13 : 3319015508
Total Pages : 574 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Advanced Materials for Integrated Optical Waveguides by : Xingcun Colin Tong Ph.D

Download or read book Advanced Materials for Integrated Optical Waveguides written by Xingcun Colin Tong Ph.D and published by Springer Science & Business Media. This book was released on 2013-10-17 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive introduction to integrated optical waveguides for information technology and data communications. Integrated coverage ranges from advanced materials, fabrication, and characterization techniques to guidelines for design and simulation. A concluding chapter offers perspectives on likely future trends and challenges. The dramatic scaling down of feature sizes has driven exponential improvements in semiconductor productivity and performance in the past several decades. However, with the potential of gigascale integration, size reduction is approaching a physical limitation due to the negative impact on resistance and inductance of metal interconnects with current copper-trace based technology. Integrated optics provides a potentially lower-cost, higher performance alternative to electronics in optical communication systems. Optical interconnects, in which light can be generated, guided, modulated, amplified, and detected, can provide greater bandwidth, lower power consumption, decreased interconnect delays, resistance to electromagnetic interference, and reduced crosstalk when integrated into standard electronic circuits. Integrated waveguide optics represents a truly multidisciplinary field of science and engineering, with continued growth requiring new developments in modeling, further advances in materials science, and innovations in integration platforms. In addition, the processing and fabrication of these new devices must be optimized in conjunction with the development of accurate and precise characterization and testing methods. Students and professionals in materials science and engineering will find Advanced Materials for Integrated Optical Waveguides to be an invaluable reference for meeting these research and development goals.

Polymer Optical Fibers

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Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Polymer Optical Fibers by : Hari Singh Nalwa

Download or read book Polymer Optical Fibers written by Hari Singh Nalwa and published by . This book was released on 2004 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer Optical Fibers summarizes research activities on polymer optical fibers to offer a complete perspective on this emerging topic. Polymer optical fibers are in great demand for the transmission and processing of optical communications compatible with the Internet, which is one of the fastest growing industries of modern times. This book is aimed to bring together, under a single cover, all aspects of plastic optical fibers including different classes of polymers; fiber fabrication techniques; laser sources used for optical fibers, mechanical properties; photosensitivity; poling and second harmonic generation; adhesion; donor-acceptor properties of surfaces; protective coatings; water resistance; stress corrosion; mechanical stability and deformation characteristics; temperature and pressure sensitivity; fiber elongation; optical fiber attenuation; planar optical waveguides; fiber gratings; refractive index distribution and their potential applications in telecommunication and high capacity transmission systems; WDM systems; gigabit ethernet; power splitters and couplers; amplifiers; sensors; filters; lenses; scramblers; integrated optical devices; frequency up-conversion; etc.

Effect of Stress on Silicon Oxynitride Optical Waveguides and Devices

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (654 download)

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Book Synopsis Effect of Stress on Silicon Oxynitride Optical Waveguides and Devices by :

Download or read book Effect of Stress on Silicon Oxynitride Optical Waveguides and Devices written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated demultiplexers and other DWDM components can be fabricated from optical waveguides. In particular, DWDM demultiplexers can be fabricated from silicon oxynitride optical waveguides. Optical attenuation and polarization-dependent propagation are two properties of the optical waveguides that affect the performance of the integrated component. In this thesis, we studied how an externally applied stress can be used to reduce the polarization dependence in silicon oxynitride optical waveguides. We introduce external stress (strain) into optical waveguides of our devices by bending the underlying substrate. Either c mpressive or tensile stress can be introduced in a direction that is either parallel or perpendicular to the direction of optical propagation. An integrated optical demultiplexer is an ideal device for the measurement for birefringence. We used an integrated optical demultiplexer and a tunable laser to measure the stress-induced change of the effective index in our optical waveguides. We have demonstrated that the application of stress can be used to decrease the birefringence by 30% or to increase it by 90%. (Abstract shortened by UMI.).

Low-level Birefringence Methods Applied to the Characterization of Optical Fibers and Interconnects

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (67 download)

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Book Synopsis Low-level Birefringence Methods Applied to the Characterization of Optical Fibers and Interconnects by : Carole Claudette Montarou

Download or read book Low-level Birefringence Methods Applied to the Characterization of Optical Fibers and Interconnects written by Carole Claudette Montarou and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Birefringence measurements are of great importance in a plethora of applications spanning from biology to optical communications. Birefringence measurements of nerve-fiber layers have emerged as an important diagnostic technique for early detection of glaucoma. Stress-induced birefringence in optical devices affects their performances by causing Polarization-Mode Dispersion (PMD) and Polarization-Dependent Loss (PDL). Stress-relaxation constitutes a key phenomenon governing the fabrication of some optical devices such as Long-Period Fiber Gratings (LPFGs). This drives the need to develop accurate optical instrumentation techniques to evaluate form and stress-induced birefringence. This thesis deals with the development of new high-accuracy techniques for the characterization of stress-induced birefringence in optical devices. The new Two-Waveplate Compensator (TWC) technique is presented for single-point retardation measurements. It is extensively compared theoretically and experimentally to existing techniques including the Sňarmont and Brace-Kh̲ler techniques. The Phase-Stepping Two-Waveplate Retarder (PSTWR) is also presented for high-accuracy measurements of retardation magnitude and orientation. The Colorimetry-Based Retardation Method (CBRM) is presented to measure retardation using white-light interference colors. The technique is implemented using a polarization microscope and a spectrophotometer. The TWC and the Brace-Kh̲ler methods are implemented for full-field retardation measurements using a polarization microscope. Their accuracies are quantified over the entire field-of-view for small retardations. They are applied to the stress-induced birefringence imaging of LPFGs and polymer pillar waveguides. The TWC technique achieves an accuracy of 0.06 nm and a sensitivity of 0.07 nm. The Brace- Köh̲ler technique achieves an accuracy of 0.04 nm and a sensitivity of 0.09 nm. The spatial resolution of both techniques is 0.45 nm. A Fourier-based algorithm is presented to compute the inverse Abel transform relating the retardation to the axial residual stress profile in optical fibers. It is used to calculate the residual stress profiles of single-mode fibers from full-field retardation measurements with the TWC and Brace- Kh̲ler techniques. The stress profiles computed in this work are in very good agreement with previously reported results in the literature. The TWC technique produces the most accurate stress measurements. The TWC technique is used to investigate the stress-relaxation phenomena in LPFGs fabricated using CO2 laser irradiations.

Optical Polymer Waveguides

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Publisher : Springer Nature
ISBN 13 : 3030928543
Total Pages : 283 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Optical Polymer Waveguides by : Jörg Franke

Download or read book Optical Polymer Waveguides written by Jörg Franke and published by Springer Nature. This book was released on 2022-12-06 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: Light signals in optical waveguides can be used to transmit very large amounts of data quickly and largely without interference. In the industrial and infrastructural sectors, e.g. in the automotive and aerospace industries, the demand to further exploit this potential is therefore increasing. Which technologies can be used to effectively integrate systems that transmit data by means of light into existing components? This is a central question for current research. So far, there have been some technical limitations in this regard. For example, it is difficult to couple the signal of an optical waveguide to other optical waveguides without interruption. There is also a lack of suitable fabrication technologies for three-dimensional waveguides, as well as design and simulation environments for 3D opto-MID. This book addresses these and other challenges.

Polymer Optical Fibres

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Publisher : Woodhead Publishing
ISBN 13 : 0081000561
Total Pages : 438 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Polymer Optical Fibres by : Christian-Alexander Bunge

Download or read book Polymer Optical Fibres written by Christian-Alexander Bunge and published by Woodhead Publishing. This book was released on 2016-08-25 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer Optical Fibres: Fibre Types, Materials, Fabrication, Characterization, and Applications explores polymer optical fibers, specifically their materials, fabrication, characterization, measurement techniques, and applications. Optical effects, including light propagation, degrading effects of attenuation, scattering, and dispersion, are explained. Other important parameters like mechanical strength, operating temperatures, and processability are also described. Polymer optical fibers (POF) have a number of advantages over glass fibers, such as low cost, flexibility, low weight, electromagnetic immunity, good bandwidth, simple installation, and mechanical stability. Provides systematic and comprehensive coverage of materials, fabrication, properties, measurement techniques, and applications of POF Focuses on industry needs in communication, illumination and sensors, the automotive industry, and medical and biotechnology Features input from leading experts in POF technology, with experience spanning optoelectronics, polymer, and textiles Explains optical effects, including light propagation, degrading effects of attenuation, scattering, and dispersion

Fabrication of Low-Loss Polymeric Optical Waveguide for Multi-Mode and Polymer Optical Fibers Based on Hot-Emboss Technique

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Publisher : Information Gatekeepers Inc
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4./5 ( download)

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Book Synopsis Fabrication of Low-Loss Polymeric Optical Waveguide for Multi-Mode and Polymer Optical Fibers Based on Hot-Emboss Technique by :

Download or read book Fabrication of Low-Loss Polymeric Optical Waveguide for Multi-Mode and Polymer Optical Fibers Based on Hot-Emboss Technique written by and published by Information Gatekeepers Inc. This book was released on with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of Stress Induced Birefringence in a Single Mode and Single Mode Polarization Preserving Optical Fiber

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Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (469 download)

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Book Synopsis Investigation of Stress Induced Birefringence in a Single Mode and Single Mode Polarization Preserving Optical Fiber by : Sanjay Phatak

Download or read book Investigation of Stress Induced Birefringence in a Single Mode and Single Mode Polarization Preserving Optical Fiber written by Sanjay Phatak and published by . This book was released on 2000 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polarized Light and Optical Systems

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Publisher : CRC Press
ISBN 13 : 1351129074
Total Pages : 884 pages
Book Rating : 4.3/5 (511 download)

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Book Synopsis Polarized Light and Optical Systems by : Russell A. Chipman

Download or read book Polarized Light and Optical Systems written by Russell A. Chipman and published by CRC Press. This book was released on 2018-07-16 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polarized Light and Optical Systems presents polarization optics for undergraduate and graduate students in a way which makes classroom teaching relevant to current issues in optical engineering. This curriculum has been developed and refined for a decade and a half at the University of Arizona’s College of Optical Sciences. Polarized Light and Optical Systems provides a reference for the optical engineer and optical designer in issues related to building polarimeters, designing displays, and polarization critical optical systems. The central theme of Polarized Light and Optical Systems is a unifying treatment of polarization elements as optical elements and optical elements as polarization elements. Key Features Comprehensive presentation of Jones calculus and Mueller calculus with tables and derivations of the Jones and Mueller matrices for polarization elements and polarization effects Classroom-appropriate presentations of polarization of birefringent materials, thin films, stress birefringence, crystal polarizers, liquid crystals, and gratings Discussion of the many forms of polarimeters, their trade-offs, data reduction methods, and polarization artifacts Exposition of the polarization ray tracing calculus to integrate polarization with ray tracing Explanation of the sources of polarization aberrations in optical systems and the functional forms of these polarization aberrations Problem sets to build students’ problem-solving capabilities.

Temperature Dependence of Stress Induced Birefringence in Single Mode Optical Fiber

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Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (347 download)

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Book Synopsis Temperature Dependence of Stress Induced Birefringence in Single Mode Optical Fiber by : Benjamin K. Evans

Download or read book Temperature Dependence of Stress Induced Birefringence in Single Mode Optical Fiber written by Benjamin K. Evans and published by . This book was released on 1996 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Science and Applications of Conducting Polymers, Papers from the Sixth European Industrial Workshop

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Publisher : CRC Press
ISBN 13 : 1000157059
Total Pages : 198 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Science and Applications of Conducting Polymers, Papers from the Sixth European Industrial Workshop by : W.R. Salaneck

Download or read book Science and Applications of Conducting Polymers, Papers from the Sixth European Industrial Workshop written by W.R. Salaneck and published by CRC Press. This book was released on 2020-11-26 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Science and Applications of Conducting Polymers emphasizes potential industrial applications of conducting polymers. The papers presented discuss the basic physics and chemistry of conducting polymers, followed by an in-depth examination of applications. The book is ideal for researchers in polymer physics, electronics, optics, and semiconductor physics.

Integrated Optical Circuits and Components

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Publisher : CRC Press
ISBN 13 : 1000146804
Total Pages : 482 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Integrated Optical Circuits and Components by : Edmond J. Murphy

Download or read book Integrated Optical Circuits and Components written by Edmond J. Murphy and published by CRC Press. This book was released on 2020-08-27 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updates the advancements made in the level of achievable integration of optical circuits and components in the last ten years--highlighting the commercial success of particular devices as well as introducing multiple facets of integrated optics.

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.