The gaussian method for describing the imaging of optical lenses in paraxial approximation is applied to chargedparticle optics by linearizing the equations of motion. The trail behind a charged particle moving in a magnetic field. Beam optics and particle trajectory analysis software. Eod is based on potential computation with wellestablished first order finite element method, allowing to solve the 2d potential with high accuracy. Numerical techniques and software for static and dynamic image tubes design. This second edition is an extended version of the first edition of geometrical chargedparticle optics. Eod is program integrating software for particle optics computations spoc programs mld, eld, mmd, emd and trc. This paper describes some computerbased activities to bring the study of charged particle optics to undergraduate students, to be performed as a part of a onesemester acceleratorbased experimental course. A parallel beam of rays emerges from a linesegment, with density controlled by the ray density slider. We identified for every program the method of field calculation, which can be. Written by the leading research scientists, the second edition of the handbook of charged particle optics is a complete guide to understanding, designing, and using high resolution probe instrumentation. Topics include optical design, optical engineering, illumination, laser, optical materials, thin film coatings, and many more subjects needed to build and analyze complex optical systems.
It is intended as a guide for researchers, who are involved in the design of electron optical instruments and beamguiding systems for charged particles, and as a. In recent years, quantum theories of charged particle beam optics have been presented with the very expected feature of wavelengthdependent e ects. Integrateds software programs are the most reliable electromagnetic em simulation software tools for a wide variety of complex electromagnetic problems. The updated reference monograph is intended as a guide for researchers and graduate students who are seeking a comprehensive treatment of the design of instruments and beamguiding systems of charged particles and their propagation in electromagnetic fields. Geometrical chargedparticle optics harald rose springer. Nuclear instruments and methods in physics research a 363 1995 215219 nuclear instruments a methods in physics research section a elsevier the quicksands between wave and geometrical charged particle optics p. Explain how an image is formed by a converging lens using ray diagrams. Accurate interpolation of 3d fields in charged particle optics. It is intended as a guide for researchers, who are involved in the design of electron optical instruments and beamguiding systems for charged particles, and as a tutorial for graduate students seeking a comprehensive treatment. Eod electron optical design software, electron and ion optics. As opposed to light optics, where the refractive index changes abruptly in the surface separating two media, the change in velocity of a beam of charged particles varies continuously across an electrostatic lens.
Hybrid simulation tools for electromagnetic and particle trajectory design analysis software that lives up to the power of your ideas. Eod electron optical design software for design of charged particle optics devices. Lorentz is designed to analyze problems faced in charged particle. For example, spacecharge limited cathode emission, secondary emissions on. Links on optical design and engineering the purpose of this site is to provide a comprehensive list of links related to optics and optical simulation in general. A mirror whose shape is part of a circle, which is defined by three points. As is well known from geometrical optics, the lenses have a focusing.
Saturated magnetic electron lenses of complicated geometry built in error. Geometrical charged particle optics with 7 figures springer. Charged particle optics wikibooks, open books for an open world. Geometrical integrators for solving the equations of motion. Freund this item is only available on the spie digital library. Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. Eod electron optical design software for design of charged particle optics. An introduction identifies the most important concepts of charged particle optics theory, and derives each mathematically from the first principles of physics. Our software is used worldwide by many electron microscope manufacturers and by manufacturers of charged particle optical equipment for the semiconductor industry. The updated reference monograph is intended as a guide for researchers and graduate students who are seeking a comprehensive treatment of the design of instruments and beamguiding systems of.
Written by the leading research scientists, the second edition of the handbook of charged particle optics is a complete guide to understanding, designing, and. In recent years, quantum theories of charged particle beam optics have been presented with the very expected feature of wavelengthdependent effects. Geometrical chargedparticle optics springer series in. Electronbeam sources and chargedparticle optics 1995.
Openraytrace is an optical lens design software that performs ray tracing. Charged particle optics software package for designing. The ray in geometric optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances the simplifying assumptions of geometrical optics include that light rays. Analogies between light optics and chargedparticle optics. The newest edition of a bestseller, the handbook of charged particle optics, second edition provides essential background information for the design and operation of high resolution focused probe instruments. Cpo is a software application that calculates electrostaticmagnetic fields and the trajectories of charged particles through those fields, a bit like simion. This reference monograph covers all theoretical aspects of modern geometrical chargedparticle optics. In such cases the field acting on the electrons must be solved as a fully 3d problem. Proceedings volume 2522 electronbeam sources and charged particle optics. Field emission fe is a process in which a metal surface will emit current when that surface is exposed to a sufficiently high electric field typically on the order of 1 vnm and under high vacuum to avoid an electric arc.
Geometrical optics approximation we are in the realm of geometrical optics when wavelength is considered b lbl d h 0 lim physical optics geometrical optics. These programs help you design innovative em applications faster, more costeffectively, and accurately. Use this tool in amcap video capturing app to test the cameras usb feed. Harald h rose this second edition is an extended version of the first edition of geometrical charged particle optics. Field emission simion 2019 supplemental documentation. It models both magnetic and electrostatic fields, can cope with electrodes of varying shapes and sizes, and enhances the mass resolution of mass spectrometers and the performance of electron lenses. Abstract not available bibtex entry for this abstract preferred format for this abstract see preferences find similar abstracts. Assuming an advanced undergraduatelevel understanding of calculus, this book follows a logical progression. Eod electron optical design software, electron and ion. For more information you may visit my game programming portfolio at. The updated reference monograph is intended as a guide for researchers and graduate students. The updated reference monograph is intended as a guide. Charged particle optics software package for designing charged. The emission current density is a function of the cathode material work function and the local electric field magnitude over the surface and can be.
Download this tool to access and change your cameras ip address updated tool windows v2. Geometrical chargedparticle optics ebook by harald rose. The force on a charged particle in a magnetic field. Understanding how light rays can be manipulated allows us to create better contact lenses, fiber optic cables, and high powered telescopes. Use this tool to recalibrate the focus of your 12x or 20x ptzoptics camera. Beam optics and particle trajectory analysis software lorentz we go beyond traditional. We are a small, agile, efficiently run company, dedicated to supporting customers in hightechnology sectors, based. Home of the charged particle optics software worldbeating programs for solving 2 and 3dimensional electrostatic problem the boundary element method, bem, deals with surface charges and has many advantages over the methods used in almost all other commercial programs. Handbook of charged particle optics jon orloff download. The close analogy between geometrical optics and the classical theories of charged particle beam optics have been known for a very long time. Relativistic motion and spin precession of the electron are treated in a covariant way by introducing the lorentzinvariant universal time and by extending hamiltons principle from three to four spatial dimensions where the laboratory time is considered as the fourth pseudospatial coordinate. This is the main difference between light and charged particle optics. A list of ion optics software available on the internet including. To evaluate the optical properties of lenses, one needs to know the field in the vicinity of the optical axis very precisely.
Thus, an electrostatic lens always works as a thick lens. It should run on any platform that python, wxpython and pyopengl run on. Contents 1 introduction 1 2 general properties of the electron 5 2. This second edition is an extended version of the first edition of geometrical charged particle optics. This wikibook will try to explain principles of charged particle optics. The particle beam optics interactive computer laboratory pbo lab is an educational software concept to aid students and professionals in learning about charged particle beams and particle beam optical systems. The quicksands between wave and geometrical charged. Geometrical chargedparticle optics cern document server. With the growing proliferation of nanotechnologies, powerful imaging technologies are being developed to operate at the subnanometer scale. Assuming an advanced undergraduatelevel understanding of calculus, this book follows a logical progression, with each concept building upon the preceding one. With the current development of nontraditional prescriptions of helmholtz and maxwell optics. Learn about how our researchers have developed software that is now established as the gold standard for modelling lowenergy chargeparticle optics. The program applies highaccuracy finiteelement techniques to calculate single particle orbits or to simulate steadystate. Watch how the image changes when you adjust the focal length of the lens, move the object, move the lens, or move the screen.