Author: Svetlana RudnayaPublisher:
ISBN:
Category :
Languages : en
Pages : 198
Book Description
Analysis and Optimal Design of Diffractive Optical Elements
Author: Svetlana RudnayaDesign and Fabrication of Diffractive Optical Elements with MATLAB
Author: Shanti BhattacharyaPublisher: SPIE-International Society for Optical Engineering
ISBN: 9781510607057
Category : Diffraction
Languages : en
Pages : 276
Book Description
"Given the many different applications and uses of diffractive optics, the importance of this field cannot be underestimated. This book supplements the available literature on diffractive optic elements (DOEs) by equipping readers with the skills to begin designing, simulating, and fabricating diffractive optics. The design of DOEs is presented with simple equations and step-by-step procedures for simulation--from the simplest 1D grating to the more complex multifunctional DOEs--and analyzing their diffraction patterns using MATLAB. The fundamentals of fabrication techniques such as photolithography, electron beam lithography, and focused ion beam lithography with basic instructions for the beginner are presented. Basic error analysis and error-correction techniques for a few cases are also discussed. The contents of all the chapters are supported throughout by practical exercises and clearly commented MATLAB® codes (the codes are also on an accompanying CD), making this book useful even to a novice programmer"--
Rigorous Analysis and Design of Diffractive Optical Elements
Author: Jianhua JiangPublisher:
ISBN:
Category : Diffraction gratings
Languages : en
Pages : 314
Book Description
Computer Design of Diffractive Optics
Author: V A SoiferPublisher: Elsevier
ISBN: 0857093746
Category : Technology & Engineering
Languages : en
Pages : 896
Book Description
Diffractive optics involves the manipulation of light using diffractive optical elements (DOEs). DOEs are being widely applied in such areas as telecommunications, electronics, laser technologies and biomedical engineering. Computer design of diffractive optics provides an authoritative guide to the principles and applications of computer-designed diffractive optics.The theoretical aspects underpinning diffractive optics are initially explored, including the main equations in diffraction theory and diffractive optical transformations. Application of electromagnetic field theory for calculating diffractive gratings and related methods in micro-optics are discussed, as is analysis of transverse modes of laser radiation and the formation of self-replicating multimode laser beams. Key applications of DOEs reviewed include geometrical optics approximation, scalar approximation and optical manipulation of micro objects, with additional consideration of multi-order DOEs and synthesis of DOEs on polycrystalline diamond films.With its distinguished editor and respected team of expert contributors, Computer design of diffractive optics is a comprehensive reference tool for professionals and academics working in the field of optical engineering and photonics. Explores the theoretical aspects underpinning diffractive optics Discusses key applications of diffractive optical elements A comprehensive reference for professionals and academics in optical engineering and photonics
Design and Analysis of Finite Aperture Diffractive Optical Elements
Author: Stephen Douglas MellinPublisher:
ISBN:
Category : Diffraction gratings
Languages : en
Pages : 428
Book Description
Diffractive Optics
Author: Donald C. O'SheaPublisher: SPIE Press
ISBN: 9780819451712
Category : Science
Languages : en
Pages : 266
Book Description
This book provides the reader with the broad range of materials that were discussed in a series of short courses presented at Georgia Tech on the design, fabrication, and testing of diffractive optical elements (DOEs). Although there are not long derivations or detailed methods for specific engineering calculations, the reader should be familiar and comfortable with basic computational techniques. This text is not a 'cookbook' for producing DOEs, but it should provide readers with sufficient information to assess whether this technology would benefit their work, and to understand the requirements for using the concepts and techniques presented by the authors.
Design, Analysis, and Optimization of Diffractive Optical Elements Under High Numerical Aperture Focusing
Author: Toufic G. JabbourPublisher:
ISBN:
Category : Beam optics
Languages : en
Pages : 147
Book Description
The demand for high optical resolution has brought researchers to explore the use of beam shaping diffractive optical elements (DOEs) for improving performance of high numerical aperture (NA) optical systems. DOEs can be designed to modulate the amplitude, phase and/or polarization of a laser beam such that it focuses into a targeted irradiance distribution, or point spread function (PSF). The focused PSF can be reshaped in both the transverse focal plane and along the optical axis. Optical lithography, microscopy and direct laser writing are but a few of the many applications in which a properly designed DOE can significantly improve optical performance of the system. Designing DOEs for use in high-NA applications is complicated by electric field depolarization that occurs with tight focusing. The linear polarization of off-axis rays is tilted upon refraction towards the focal point, generating additional transverse and longitudinal polarization components. These additional field components contribute significantly to the shape of the PSF under tight focusing and cannot be neglected as in scalar diffraction theory. The PSF can be modeled more rigorously using the electromagnetic diffraction integrals derived by Wolf, which account for the full vector character of the field. In this work, optimization algorithms based on vector diffraction theory were developed for designing DOEs that reshape the PSF of a 1.4-NA objective lens. The optimization techniques include simple exhaustive search, iterative optimization (Method of Generalized Projections), and evolutionary computation (Particle Swarm Optimization). DOE designs were obtained that can reshape either the transverse PSF or the irradiance distribution along the optical axis. In one example of transverse beam shaping, all polarization components were simultaneously reshaped so their vector addition generates a focused flat-top square irradiance pattern. Other designs were obtained that can be used to narrow the axial irradiance distribution, giving a focused beam that is superresolved relative to the diffraction limit. In addition to theory, experimental studies were undertaken that include (1) fabricating an axially superresolving DOE, (2) incorporating the DOE into the optical setup, (3) imaging the focused PSF, and (4) measuring aberrations in the objective lens to study how these affect performance of the DOE.
Optimal Design of Diffractive Optical Structures
Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
An optimal design method for low-order periodic dielectric diffractive structures in E-parallel polarization has been developed. A key property of the method is that nonsmooth design profiles present no theoretical or practical difficulties so that manufacturable designs can be achieved. The method is based on an accurate partial differential equation diffraction model. It has been theoretically justified, implemented, and applied to reveal some unexpected high-efficiency diffractive structures for potential use in photonic and micro-optical devices. Research associated with the development of the method has led to efficient numerical methods for calculating diffraction through grating structures and improved understanding of total variation methods for image processing and inverse problems, and has established the groundwork for three-dimensional design methods.
Design and Analysis of Single and Cascaded Diffractive Optical Elements
Author: Eric Gordon JohnsonPublisher:
ISBN:
Category : Holography
Languages : en
Pages : 268
Book Description
Author: John Stuart Hoch