Download or read book Waveguide Fabrication in Nonlinear Glass Using a Femtosecond Laser Oscillator written by Jennifer Alexandra Gray and published by . This book was released on 2009 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nonlinear Glass Waveguide Devices Fabricated by Femtosecond Laser Writing with Thermal Poling and Waveguide Modeling for Silver Ion Exchange in Glass written by Guangyu Li and published by . This book was released on 2006 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Waveguide Nonlinear Optic Devices written by Toshiaki Suhara and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most comprehensive book on waveguide nonlinear optic devices, this volume presents a systematic description of the NLO field, with an emphasis on devices that use ferroelectric waveguides. It ranges from an introduction to the concepts of waveguides to the most recent experimental results.
Download or read book Understanding how Femtosecond Laser Waveguide Fabrication in Glasses Works written by Wilbur Jordan Reichman and published by . This book was released on 2006 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Three dimensional Fabrication of Functional Single Crystal Waveguides Inside Glass by Femtosecond Laser Irradiation written by Adam Stone and published by . This book was released on 2014 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrafast femtosecond (fs) pulsed lasers are capable of inducing a wide range of local structural modifications inside transparent materials, enabling direct three dimensional (3D) patterning of features inside monolithic samples. As such, direct laser-writing of waveguides, gratings, and other optical components has attracted considerable interest for the purpose of 3D optical integration. Much progress has been made in writing index-gradient waveguides in glass, but such amorphous waveguides are inherently passive structures. For the important class of active optics applications that require a second-order nonlinear optical response, glasses are fundamentally unsuitable due to their isotropically disordered structure. Bulk single crystals of non-centrosymmetric phases are typically used when such functionality is needed, but by choosing specific glass compositions which crystallize into these phases, nonlinear optical properties may be introduced locally into a glass through laser-induced crystallization. In this dissertation, major issues of practical and theoretical importance for fs laser crystallization are examined in the model LaBGeO5 glass system--including focal depth effects, nucleation mechanisms, growth dynamics, and obtained morphologies--in order to develop a model framework that guides the optimization of process parameters for obtaining high quality single crystal waveguides with functional capability. Initiation of new crystals from bulk glass in this strongly glass-forming system involves a complex multi-step process with a strong sensitivity to focal depth. The key mechanism is identified as a reliance on heterogeneous nucleation to increase the nucleation rate to practical laboratory timescales, which is facilitated by the formation of free surface in the form of bubbles and the local composition modification induced by the laser heating. The role of focal depth is to modulate the heat source geometry through optical aberration and thereby influence the geometry of the melt, the bubble distribution, and the element redistribution. The convergence of local composition and local temperature at the bubble surface ultimately determines the nucleation rate, so focal depth may be used as a process parameter to accelerate crystallization. If consistent heating conditions are desired at different focal depths, which would generally be the case for 3D fabrication, aberration effects are detrimental. A novel method is described for correcting aberration effects when irradiating through multiple refracting layers in order to produce consistent focal conditions at arbitrary focal depths inside externally heated samples inside a closed furnace. This enables simultaneous aberration correction and in-situ annealing, which is essential for the suppression of cracks. Patterning of continuous crystal features like waveguides requires scanning the focus through the glass. Counterintuitively, a preferential and seemingly consistent lattice orientation with respect to the scan direction is found to be associated with polycrystallinity rather than single-crystallinity, as has generally been thought. Rather, the retention of preferential orientation even across changes in scan direction arises from directional filtering and competitive maximization of growth rate between grains of multiple orientations, of which new instances are frequently attempted at the growth front. Crystal lines exhibiting preferential orientation may thus contain many similarly-oriented but distinct grains separated by low-angle grain boundaries, and these would generally be overlooked by low angular resolution optical methods of assessment. Nevertheless, irradiation conditions which are capable of suppressing this polycrystallinity are identified and explained in terms of the collective interactions between the laser-induced temperature gradient, the focal scan rate, the intrinsic temperature and orientation dependences of crystal growth rate, and the tendency of the growth front to initiate competing grains. Single crystallinity of lines written under these conditions is confirmed by high resolution electron backscatter diffraction, and a model of the dynamics of fs laser-induced single-crystal growth is presented. Finally, the waveguiding capability of fs laser-written single crystal lines inside a glass is demonstrated and quantified for the first time. A substantial power transmission is obtained in the case of the waveguide with the most consistent long-range uniformity. This confirms the potential applicability of the technique for writing nonlinear optical crystal waveguides, which until now has been largely hypothetical. This work thus provides the proof-of-concept for three dimensional fabrication of functional single-crystal waveguides inside glass.
Download or read book Planar Waveguides and other Confined Geometries written by Gerd Marowsky and published by Springer. This book was released on 2014-10-07 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of the theoretical concepts and experimental applications of planar waveguides and other confined geometries, such as optical fibres. Covering a broad array of advanced topics, it begins with a sophisticated discussion of planar waveguide theory, and covers subjects including efficient production of planar waveguides, materials selection, nonlinear effects, and applications including species analytics down to single-molecule identification, and thermo-optical switching using planar waveguides. Written by specialists in the techniques and applications covered, this book will be a useful resource for advanced graduate students and researchers studying planar waveguides and optical fibers.
Download or read book Solid State Lasers and Applications written by Alphan Sennaroglu and published by CRC Press. This book was released on 2017-12-19 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of the favorable characteristics of solid-state lasers, they have become the preferred candidates for a wide range of applications in science and technology, including spectroscopy, atmospheric monitoring, micromachining, and precision metrology. Presenting the most recent developments in the field, Solid-State Lasers and Applications focuses on the design and applications of solid-state laser systems. With contributions from leading international experts, the book explores the latest research results and applications of solid-state lasers as well as various laser systems. The beginning chapters discuss current developments and applications of new solid-state gain media in different wavelength regions, including cerium-doped lasers in the ultraviolet range, ytterbium lasers near 1μm, rare-earth ion-doped lasers in the eye-safe region, and tunable Cr2+:ZnSe lasers in the mid-infrared range. The remaining chapters study specific modes of operation of solid-state laser systems, such as pulsed microchip lasers, high-power neodymium lasers, ultrafast solid-state lasers, amplification of femtosecond pulses with optical parametric amplifiers, and noise characteristics of solid-state lasers. Solid-State Lasers and Applications covers the most important aspects of the field to provide current, comprehensive coverage of solid-state lasers.
Download or read book Microoptics written by Karl-Heinz Brenner and published by Springer. This book was released on 2013-03-20 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microoptics is still an emerging field with a huge potential for a large number of applications. This monograph brings together the most recent developments in order to give a broad overview.
Download or read book Ultrafast Nonlinear Optics written by Robert Thomson and published by Springer Science & Business Media. This book was released on 2013-03-20 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of ultrafast nonlinear optics is broad and multidisciplinary, and encompasses areas concerned with both the generation and measurement of ultrashort pulses of light, as well as those concerned with the applications of such pulses. Ultrashort pulses are extreme events – both in terms of their durations, and also the high peak powers which their short durations can facilitate. These extreme properties make them powerful experiment tools. On one hand, their ultrashort durations facilitate the probing and manipulation of matter on incredibly short timescales. On the other, their ultrashort durations can facilitate high peak powers which can drive highly nonlinear light-matter interaction processes. Ultrafast Nonlinear Optics covers a complete range of topics, both applied and fundamental in nature, within the area of ultrafast nonlinear optics. Chapters 1 to 4 are concerned with the generation and measurement of ultrashort pulses. Chapters 5 to 7 are concerned with fundamental applications of ultrashort pulses in metrology and quantum control. Chapters 8 and 9 are concerned with ultrafast nonlinear optics in optical fibres. Chapters 10 to 13 are concerned with the applications of ultrashort pulses in areas such as particle acceleration, microscopy, and micromachining. The chapters are aimed at graduate-student level and are intended to provide the student with an accessible, self-contained and comprehensive gateway into each subject.
Download or read book Laser Growth and Processing of Photonic Devices written by Nikolaos A Vainos and published by Elsevier. This book was released on 2012-07-10 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of lasers in the processing of electronic and photonic material is becoming increasingly widespread, with technological advances reducing costs and increasing both the quality and range of novel devices which can be produced. Laser growth and processing of photonic devices is the first book to review this increasingly important field.Part one investigates laser-induced growth of materials and surface structures, with pulsed laser deposition techniques, the formation of nanocones and the fabrication of periodic photonic microstructures explored in detail. Laser-induced three-dimensional micro- and nano-structuring are the focus of part two. Exploration of multiphoton lithography, processing and fabrication is followed by consideration of laser-based micro- and nano-fabrication, laser-induced soft matter organization and microstructuring, and laser-assisted polymer joining methods. The book concludes in part three with an investigation into laser fabrication and manipulation of photonic structures and devices. Laser seeding and thermal processing of glass with nanoscale resolution, laser-induced refractive index manipulation, and the thermal writing of photonic devices in glass and polymers are all considered.With its distinguished editor and international team of expert contributors, Laser growth and processing of photonic devices is an essential tool for all materials scientists, engineers and researchers in the microelectronics industry. - The first book to review the increasingly important field of laser growth and processing of photonic devices - Investigates laser-induced growth of materials and surface structures, pulsed laser deposition techniques, the formation of nanocones and the fabrication of periodic photonic microstructures - Examines laser-induced three-dimensional micro- and nano-structuring and concludes with an investigation into laser fabrication and manipulation of photonic structures and devices
Download or read book Pulsed Laser Ablation written by Ion N. Mihailescu and published by CRC Press. This book was released on 2018-01-09 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pulsed laser–based techniques for depositing and processing materials are an important area of modern experimental and theoretical scientific research and development, with promising, challenging opportunities in the fields of nanofabrication and nanostructuring. Understanding the interplay between deposition/processing conditions, laser parameters, as well as material properties and dimensionality is demanding for improved fundamental knowledge and novel applications. This book introduces and discusses the basic principles of pulsed laser–matter interaction, with a focus on its peculiarities and perspectives compared to other conventional techniques and state-of-the-art applications. The book starts with an overview of the growth topics, followed by a discussion of laser–matter interaction depending on laser pulse duration, background conditions, materials, and combination of materials and structures. The information outlines the foundation to introduce examples of laser nanostructuring/processing of materials, pointing out the importance of pulsed laser–based technologies in modern (nano)science. With respect to similar texts and monographs, the book offers a comprehensive review including bottom-up and top-down laser-induced processes for nanoparticles and nanomicrostructure generation. Theoretical models are discussed by correlation with advanced experimental protocols in order to account for the fundamentals and underline physical mechanisms of laser–matter interaction. Reputed, internationally recognized experts in the field have contributed to this book. In particular, this book is suitable for a reader (graduate students as well as postgraduates and more generally researchers) new to the subject of pulsed laser ablation in order to gain physical insight into and advanced knowledge of mechanisms and processes involved in any deposition/processing experiment based on pulsed laser–matter interaction. Since knowledge in the field is given step by step comprehensively, this book serves as a valid introduction to the field as well as a foundation for further specific readings.
Download or read book Aetistas italianos de hoje written by and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Integrated Microsystems written by Krzysztof Iniewski and published by CRC Press. This book was released on 2017-12-19 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: As rapid technological developments occur in electronics, photonics, mechanics, chemistry, and biology, the demand for portable, lightweight integrated microsystems is relentless. These devices are getting exponentially smaller, increasingly used in everything from video games, hearing aids, and pacemakers to more intricate biomedical engineering and military applications. Edited by Kris Iniewski, a revolutionary in the field of advanced semiconductor materials, Integrated Microsystems: Electronics, Photonics, and Biotechnology focuses on techniques for optimized design and fabrication of these intelligent miniaturized devices and systems. Composed of contributions from experts in academia and industry around the world, this reference covers processes compatible with CMOS integrated circuits, which combine computation, communications, sensing, and actuation capabilities. Light on math and physics, with a greater emphasis on microsystem design and configuration and electrical engineering, this book is organized in three sections—Microelectronics and Biosystems, Photonics and Imaging, and Biotechnology and MEMs. It addresses key topics, including physical and chemical sensing, imaging, smart actuation, and data fusion and management. Using tables, figures, and equations to help illustrate concepts, contributors examine and explain the potential of emerging applications for areas including biology, nanotechnology, micro-electromechanical systems (MEMS), microfluidics, and photonics.
Download or read book Femtosecond Phenomena and Nonlinear Optics III written by Sean Kirkpatrick and published by SPIE-International Society for Optical Engineering. This book was released on 2006 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Download or read book Laser Micromachining for Optoelectronic Device Fabrication written by Andreas Ostendorf and published by SPIE-International Society for Optical Engineering. This book was released on 2003 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Photonic Waveguides written by Azzedine Boudrioua and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the principles of non-linear integrated optics. The first objective is to provide the reader with a thorough understanding of integrated optics so that they may be able to develop the theoretical and experimental tools to study and control the linear and non-linear optical properties of waveguides. The potential use of these structures can then be determined in order to realize integrated optical components for light modulation and generation. The theoretical models are accompanied by experimental tools and their setting in order to characterize the studied phenomenon. The passage from theory to practice makes the comprehension of the physical phenomena simple and didactic. The book also gives a presentation of the industrial applications of the integrated optical components. The studied topics range from the theory of waveguides and the linear and non-linear optical characterization techniques to photonic crystals. This last field constitutes a major challenge of photonic technologies of the 21st century.
Download or read book Femtosecond Laser Micromachining written by Roberto Osellame and published by Springer Science & Business Media. This book was released on 2012-03-05 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Femtosecond laser micromachining of transparent material is a powerful and versatile technology. In fact, it can be applied to several materials. It is a maskless technology that allows rapid device prototyping, has intrinsic three-dimensional capabilities and can produce both photonic and microfluidic devices. For these reasons it is ideally suited for the fabrication of complex microsystems with unprecedented functionalities. The book is mainly focused on micromachining of transparent materials which, due to the nonlinear absorption mechanism of ultrashort pulses, allows unique three-dimensional capabilities and can be exploited for the fabrication of complex microsystems with unprecedented functionalities.This book presents an overview of the state of the art of this rapidly emerging topic with contributions from leading experts in the field, ranging from principles of nonlinear material modification to fabrication techniques and applications to photonics and optofluidics.
