Sharp Focusing Of Laser Light

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Sharp Focusing of Laser Light

Victor V. Kotlyar,Sergey S. Stafeev,Anton Nalimov
Sharp Focusing of Laser Light Book PDF

Author : Victor V. Kotlyar,Sergey S. Stafeev,Anton Nalimov
Publisher : CRC Press
Page : 268 pages
File Size : 55,9 Mb
Release : 2019-10-28
Category : Technology & Engineering
ISBN : 9781000711639

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Sharp Focusing of Laser Light by Victor V. Kotlyar,Sergey S. Stafeev,Anton Nalimov Pdf

Readers will learn in which ways light can be "confined" within a subwavelength region smaller than half a wavelength. Strictly within the focal spot, all degrees of freedom of light interact and manifest themselves in a dramatic way. The size and shape of the focal spot and the magnitude of side-lobes depend on the polarization state alongside phase and amplitude distributions of a light beam. Readers will learn techniques in which inhomogeneously (i.e., azimuthally and radially) polarized optical beams can be focused. In sharp focus, exotic phenomena can occur, including the negative propagation of light and a toroidal optical flow. Throughout the book, the numerical simulation is performed using the rigorous solution of Maxwell’s equations based on a Finite-Difference Time-Domain (FDTD) approach, which makes the results of modeling highly reliable. The photonic components, including optical metasurfaces, discussed in the book have been implemented using state-of-the-art techniques of electron beam writing and reactive ion-beam etching of microrelief. Two chapters are concerned with photonics hot spots, which deal with the control of light by means of optical metasurfaces and the generation of an energy backflow in the region of sharp focus of a laser beam. Another hot topic is diffractive polarization converters implemented as subwavelength diffraction gratings to convert polarization of light. By way of illustration, such converters are shown to perform linear-to-radial or linear-to-azimuthal polarization conversion. The book describes advanced photonic components fabricated by the authors to perform sharp focusing of light, including binary zone plates, binary axicons, a planar photonic crystal lens, diffraction polarization converters, and metalenses. This book is a must-have for individuals and institutions studying cutting edge optics.

Optical Hall Effect in the Sharp Focus of Laser Light

Victor V. Kotlyar,Alexey A. Kovalev,Anton G. Nalimov
Optical Hall Effect in the Sharp Focus of Laser Light Book PDF

Author : Victor V. Kotlyar,Alexey A. Kovalev,Anton G. Nalimov
Publisher : Springer
Page : 0 pages
File Size : 50,9 Mb
Release : 2024-09-12
Category : Science
ISBN : 3031646827

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Optical Hall Effect in the Sharp Focus of Laser Light by Victor V. Kotlyar,Alexey A. Kovalev,Anton G. Nalimov Pdf

This book explores the optical Hall effect in the sharp focus of laser light. It builds upon the established theory of Richards-Wolf (1959), providing numerous real-world examples that illustrate both spin and orbital Hall effects near the focal point. Within the focal zone, distinct regions of left and right circular polarization emerge, showcasing the orbital Hall effect. This effect becomes apparent when localized areas within the focal plane experience transverse energy flow, rotating either clockwise or counterclockwise. The spin Hall effect, a fundamental occurrence, is demonstrated when a linearly polarized Gaussian beam is concentrated. Furthermore, the book reveals spin and orbital Hall effects in light fields with nonuniform linear polarization, where the polarization direction varies within the beam cross section. While the optical or photonic Hall effect has been recognized since 2004, a comprehensive monograph detailing its focal dynamics has been lacking until now. Drawing from the cohesive theoretical framework of the Richards-Wolf theory, this book offers specific examples and results from computer modeling. It equips readers with analytical relations for calculating energy and spin fluxes near a sharp focus across various initial light vector fields. Designed for a diverse audience, including scientists, engineers, and students in optics and photonics, this book serves as a valuable resource. It caters to undergraduate and graduate students in applied mathematics, physics, informatics, and optics, and can also benefit researchers and professionals in the field. Moreover, the book holds potential as a foundational text for advanced graduate courses

Diffractive Nanophotonics

Victor A Soifer
Diffractive Nanophotonics Book PDF

Author : Victor A Soifer
Publisher : CRC Press
Page : 697 pages
File Size : 51,5 Mb
Release : 2016-04-19
Category : Science
ISBN : 9781466590700

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Diffractive Nanophotonics by Victor A Soifer Pdf

Diffractive Nanophotonics demonstrates the utility of the well-established methods of diffractive computer optics in solving nanophotonics tasks. It is concerned with peculiar properties of laser light diffraction by microoptics elements with nanoscale features and light confinement in subwavelength space regions. Written by recognized experts in t

Diffractive Optics and Nanophotonics

V. A. Soifer
Diffractive Optics and Nanophotonics Book PDF

Author : V. A. Soifer
Publisher : CRC Press
Page : 736 pages
File Size : 47,9 Mb
Release : 2017-09-01
Category : Technology & Engineering
ISBN : 9781315351032

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Diffractive Optics and Nanophotonics by V. A. Soifer Pdf

Diffractive Optics and Nanophotonics is devoted to achievements in diffractive optics, focusing on the creation of new nanophotonic components and devices, as well as instrumentation and available information technology. The author describes methods of calculation of diffractive optical elements to solve actual problems of nanophotonics. Coverage includes mathematical methods for calculation of diffraction gratings, calculation of modes of inhomogeneous waveguides, integral methods of calculation of electromagnetic field near the focus, and methods of calculation of diffractive optical elements generating vortex laser beams.

Dynamic Light Scattering Spectroscopy of the Human Eye

Jeffrey N. Weiss
Dynamic Light Scattering Spectroscopy of the Human Eye Book PDF

Author : Jeffrey N. Weiss
Publisher : Springer Nature
Page : 98 pages
File Size : 42,8 Mb
Release : 2022-09-28
Category : Medical
ISBN : 9783031066245

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Dynamic Light Scattering Spectroscopy of the Human Eye by Jeffrey N. Weiss Pdf

Blindness or serious vision impairment is one of the most feared disabilities known to humankind. A 2016 report compiled by the National Eye Institute (NEI) of the National Institutes of Health (NIH) and Prevent Blindness America states that although half of all blindness can be prevented, the number of people who suffer vision loss continues to increase. The technique of dynamic light scattering (DLS) was developed by physicists in the late 1960s to early 1970s. DLS is now emerging as a potential ophthalmic tool, making possible studies of virtually every tissue and fluid comprising the eye, thus pushing the envelope for broader applications in ophthalmology. This book presents a comprehensive review of the application of light scattering in clinical use. It is the first of its kind, offering insight to how DLS can be applied to the human eye as well as animals. Chapters discuss DLS in neurological diseases, including protocols, informed consent, and patents. Dynamic Light Scattering Spectroscopy of the Human Eye is a must-have resource for physicians, engineers, and physicists interested in the clinical application of DLS to diagnose and potentially treat medical conditions in a non-invasive, quantitative and novel way.

Topological Charge of Optical Vortices

Victor V. Kotlyar,Alexey A. Kovalev,Anton G. Nalimov
Topological Charge of Optical Vortices Book PDF

Author : Victor V. Kotlyar,Alexey A. Kovalev,Anton G. Nalimov
Publisher : CRC Press
Page : 321 pages
File Size : 47,6 Mb
Release : 2022-12-30
Category : Technology & Engineering
ISBN : 9781000788396

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Topological Charge of Optical Vortices by Victor V. Kotlyar,Alexey A. Kovalev,Anton G. Nalimov Pdf

This book is devoted to the consideration of unusual laser beams – vortex or singular beams. It contains many numerical examples, which clearly show how the phase of optical vortices changes during propagation in free space, and that the topological charge is preserved. Topological Charge of Optical Vortices shows that the topological charge of an optical vortex is equal to the number of screw dislocations or the number of phase singularities in the beam cross-section. A single approach is used for the entire book: based on M. Berry’s formula. It is shown that phase singularities during beam propagation can be displaced to infinity at a speed greater than the speed of light. The uniqueness of the book is that the calculation of the topological charge for scalar light fields is extended to vector fields and is used to calculate the Poincare–Hopf singularity index for vector fields with inhomogeneous linear polarization with V-points and for the singularity index of vector fields with inhomogeneous elliptical polarization with C-points and C- lines. The book is written for opticians, and graduate students interested in an interesting section of optics – singular optics. It will also be of interest to scientists and researchers who are interested in modern optics. In order to understand the content of the book, it is enough to know paraxial optics (Fourier optics) and be able to calculate integrals.

Laser Safety

Roy Henderson,Karl Schulmeister
Laser Safety Book PDF

Author : Roy Henderson,Karl Schulmeister
Publisher : CRC Press
Page : 475 pages
File Size : 40,8 Mb
Release : 2003-12-01
Category : Science
ISBN : 9781420034042

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Laser Safety by Roy Henderson,Karl Schulmeister Pdf

Covering both underlying theory and practical applications, Laser Safety provides a unique and readily-understandable review of current laser safety. This resource explains in detail the biological effects of laser radiation, particularly on the eye, and the provisions and requirements of the international laser safety standard IEC 60825-1, includi

Everyday Physics: Colors, Light And Optical Illusions

Michel A Van Hove
Everyday Physics Colors Light And Optical Illusions Book PDF

Author : Michel A Van Hove
Publisher : World Scientific
Page : 294 pages
File Size : 55,5 Mb
Release : 2021-09-07
Category : Science
ISBN : 9789811238352

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Everyday Physics: Colors, Light And Optical Illusions by Michel A Van Hove Pdf

This book aims to popularize physics by emphasizing conceptual ideas of physics and their interconnections, while avoiding mathematics entirely. The approach is to explore intriguing topics by asking and discussing questions, thereby the reader can participate in developing answers, which enables a deeper understanding than is achievable with memorization.The topic of this volume, 'Colors, light and Optical Illusions', is chosen because we face colors and light every waking minute of our lives, and we experience optical illusions much more often than we realize.This book will attract all those with a curious mind about nature and with a desire to understand how nature works, especially the younger generation of secondary-school children and their teachers.

Schlieren and Shadowgraph Techniques

G.S. Settles
Schlieren and Shadowgraph Techniques Book PDF

Author : G.S. Settles
Publisher : Springer Science & Business Media
Page : 388 pages
File Size : 52,6 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783642566400

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Schlieren and Shadowgraph Techniques by G.S. Settles Pdf

Schlieren and shadowgraph techniques are basic and valuable tools in various scientific and engineering disciplines. They allow us to see the invisible: the optical inhomogeneities in transparent media like air, water, and glass that otherwise cause only ghostly distortions of our normal vision. These techniques are discussed briefly in many books and papers, but there is no up-to-date complete treatment of the subject before now. The book is intended as a practical guide for those who want to use these methods, as well as a resource for a broad range of disciplines where scientific visualization is important. The colorful 400-year history of these methods is covered in an extensive introductory chapter accessible to all readers.

Laser Ultrasonics Techniques and Applications

L.E Drain
Laser Ultrasonics Techniques and Applications Book PDF

Author : L.E Drain
Publisher : Routledge
Page : 462 pages
File Size : 43,5 Mb
Release : 2019-01-22
Category : Science
ISBN : 9781351435598

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Laser Ultrasonics Techniques and Applications by L.E Drain Pdf

The first book devoted to laser techniques in the generation and reception of ultrasonic waves in materials, Laser Ultrasonics: Techniques and Applications provides a full description of the state of the art in all fields involving both lasers and ultrasonics. This practical book focuses mainly on the possible applications of the techniques, yet th

Cell Culture Models of Biological Barriers

Claus-Michael Lehr
Cell Culture Models of Biological Barriers Book PDF

Author : Claus-Michael Lehr
Publisher : CRC Press
Page : 465 pages
File Size : 52,7 Mb
Release : 2002-08-08
Category : Medical
ISBN : 9780203219935

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Cell Culture Models of Biological Barriers by Claus-Michael Lehr Pdf

Over the past ten years several sophisticated in vitro test systems based on epithelial cell cultures have been introduced in the field of drug delivery. These models have been found to be very useful in characterizing the permeability of drugs across epithelial tissues, and in studying formulations or carrier systems for improved drug delivery and

Handbook of Optoelectronics

John P. Dakin,Robert G. W. Brown
Handbook of Optoelectronics Book PDF

Author : John P. Dakin,Robert G. W. Brown
Publisher : CRC Press
Page : 1029 pages
File Size : 47,9 Mb
Release : 2017-10-06
Category : Science
ISBN : 9781482256970

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Handbook of Optoelectronics by John P. Dakin,Robert G. W. Brown Pdf

Handbook of Optoelectronics offers a self-contained reference from the basic science and light sources to devices and modern applications across the entire spectrum of disciplines utilizing optoelectronic technologies. This second edition gives a complete update of the original work with a focus on systems and applications. Volume I covers the details of optoelectronic devices and techniques including semiconductor lasers, optical detectors and receivers, optical fiber devices, modulators, amplifiers, integrated optics, LEDs, and engineered optical materials with brand new chapters on silicon photonics, nanophotonics, and graphene optoelectronics. Volume II addresses the underlying system technologies enabling state-of-the-art communications, imaging, displays, sensing, data processing, energy conversion, and actuation. Volume III is brand new to this edition, focusing on applications in infrastructure, transport, security, surveillance, environmental monitoring, military, industrial, oil and gas, energy generation and distribution, medicine, and free space. No other resource in the field comes close to its breadth and depth, with contributions from leading industrial and academic institutions around the world. Whether used as a reference, research tool, or broad-based introduction to the field, the Handbook offers everything you need to get started. (The previous edition of this title was published as Handbook of Optoelectronics, 9780750306461.) John P. Dakin, PhD, is professor (emeritus) at the Optoelectronics Research Centre, University of Southampton, UK. Robert G. W. Brown, PhD, is chief executive officer of the American Institute of Physics and an adjunct full professor in the Beckman Laser Institute and Medical Clinic at the University of California, Irvine.

Handbook for Sound Engineers

Glen Ballou
Handbook for Sound Engineers Book PDF

Author : Glen Ballou
Publisher : Taylor & Francis
Page : 1738 pages
File Size : 45,8 Mb
Release : 2013-05-02
Category : Technology & Engineering
ISBN : 9781136122538

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Handbook for Sound Engineers by Glen Ballou Pdf

Handbook for Sound Engineers is the most comprehensive reference available for audio engineers. All audio topics are explored: if you work on anything related to audio you should not be without this book! The 4th edition of this trusted reference has been updated to reflect changes in the industry since the publication of the 3rd edition in 2002 -- including new technologies like software-based recording systems such as Pro Tools and Sound Forge; digital recording using MP3, wave files and others; mobile audio devices such as iPods and MP3 players. Over 40 topics are covered and written by many of the top professionals for their area in the field, including Glen Ballou on interpretation systems, intercoms, assistive listening, and image projection; Ken Pohlmann on compact discs and DVDs; David Miles Huber on MIDI; Dr. Eugene Patronis on amplifier design and outdoor sound systems; Bill Whitlock on audio transformers and preamplifiers; Pat Brown on fundamentals and gain structures; Ray Rayburn on virtual systems and digital interfacing; and Dr. Wolfgang Ahnert on computer-aided sound system design and acoustics for concert halls.

The Compact Disc Handbook

Ken C. Pohlmann
The Compact Disc Handbook Book PDF

Author : Ken C. Pohlmann
Publisher : A-R Editions, Inc.
Page : 369 pages
File Size : 54,7 Mb
Release : 1992-01-01
Category : Music
ISBN : 9780895793003

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The Compact Disc Handbook by Ken C. Pohlmann Pdf

Revision of the 1989 book The compact disk; a handbook of theory and use. A technical discussion of the system. Annotation copyrighted by Book News, Inc., Portland, OR

Focus Like a Laser Beam

Lisa L. Haneberg
Focus Like a Laser Beam Book PDF

Author : Lisa L. Haneberg
Publisher : John Wiley & Sons
Page : 151 pages
File Size : 42,7 Mb
Release : 2010-12-03
Category : Business & Economics
ISBN : 9781118041024

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Focus Like a Laser Beam by Lisa L. Haneberg Pdf

In Focus Like a Laser Beam, acclaimed management consultant and business blogger Lisa Haneberg offers business leaders a new way to direct their focus that, like a laser beam, is direct, fast, and on track. The book offers leaders ways to improve energy and engagement in the workplace and redirect how people communicate at work. Focus Like a Laser Beam is filled with useful suggestions for dealing with distractions and diversions and outlines the ten practices that will help leaders focus on what’s most important. Know and feel the power of laser focus Get connected with your employees Have fun and be fun Relax to energize Turn meetings into focus sessions Invite a challenge Huddle Stop multitasking and put your focus where it belongs Do one great thing Let go of outdated goals, projects, and tasks