Einzel lens design software

Einzel lens chopper and behavior of the chopped beam in the kek digital. Free version of the winlens3d optical design package, which provides serious design and analysis tools for optical engineer, student or designer. Analysis of diffraction gratings of arbitrary groove profiles. The design base line is 5 ma beam extraction from a 3 mm aperture. Another idea is a einzel lens or a unipotential lens which focuses the charged particles without changing their energy 1.

Refractive index and transmission tables for 112 sellmeier and. The ortho tool software purchase was the best investment that i ever made practicing orthok along with the trial set to define the lens design. I have been using orthotool for the past few years for most of my initial orthok fitting and the success rate improved in a great deal when the diagnostic fitting was incorporated. These lenses are also found in ion propulsion systems as well as ion and electron beam experiments. Get the latest industry news and expert insights delivered straight to your inbox. Get the latest industry news and expert insights delivered straight to. Mar 02, 2005 hi, im working on a project in designing a tof mass spectrometer and want to include an einzel lens in order to help focus the ion beam onto the detector.

Now based on this angle of refraction, the ray hits the other opposite, surface 2 of the lens. What are some open sourcefree optical design software. The method turns into a tool to design an es einzel lens for wide applications. Define the lens create the parametric lens with the following steps. What i dont understand is that the potential is lowest at the centre of a cylindrical lens highest closer to the central electrode. Hesq helical electrostatic quadrupole, a low energy beam. A detailed summary of the einzel models used for the code has been presented. Optical design software for optical systems comprised of light sources, lenses, apertures, prisms, imagers, photometers, etc. Focal length calculations show good agreement with other results from the literature. We dont know when or if this item will be back in stock. Fresnel lens design software precision engineering. An einzel lens is an electrostatic device used for focusing charged particle beams. Q is the total charge enclosed inside the volume bounded by the surface.

Make a box selection around the area to zoom in on by holding the left mouse button on one corner of your zoom area, dragging the mouse to the second corner of your zoom area, and releasing your left mouse button as such. An abstract of the thesis of jessica gifford for the degree of honors baccalaureate of science in physics presented on may 27, 2011. As an ion is exiting the first electrode, the uphill electric field slows its axial kinetic energy and also begins to push the ion outward radially. E ex e x, e y, e z is the electric field at point xx,y,z a ax a x, a y, a z represents an infinitesimal portion of the surface. One particularly interesting variation on the ion funnel geometry, coined the s lens, was patented by thermo in 2010. I havent had the chance to test all of them, so youre going to have to try the free ones out for yourself and see what works best for your needs. Gravitational waves and the laser interferometer space. 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. Thin film cloudthis thin film coating design software is becoming very powerful with very fast optimization. The number and location of multiple axis crossovers shown here are dependent also on the dimensions of the simulation domain and geometric design of the einzel lens. 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.

Einzellinse single lens 1, or unipotential lens, 2 is a charged particle electrostatic lens that focuses without changing the energy of the beam. Einzel lens dpace partner in the commercial accelerator. With 3d printed ophthalmic lenses you will have more design freedom to create customized products for your customers. Luxexcel will provide ophthalmic labs with a custom lens design software suite called the luxexcel visionmaster. Of these cylinders, the middle one maintains a fixed voltage, while the outer two cylinders are grounded. However the discontinuous structure of the fresnel. W e deri ve the paraxial ray equation for such rotational symmetric electric elds. Lens design software free download lens design top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. An inwaveguide microwave plasma source has been utilized as the ion beam neutralizer 2. An einzel lens is an electrostatic lens that focuses without changing the energy of the beam.

I know only the angle of refraction at surface 1 of the lens, now i need to draw a line from surface 1 of the lens to surface 2 of the lens based on the angle of refraction at surface 1 of the lens. It doesnt currently look like much, but this is an xy cross sectional view of a threeelectrode cylindrical lens with ion paths blue shown flying axial through it. Lens design software free download lens design top 4 download. Performance of a slow positron beam using a hybrid lens design. Nov 15, 2017 to accurately study these factors in einzel lens designs, we can use particle tracing simulation. Focusing on einzel lenses with particle tracing simulation. Etalon designerone of our most popular and useful design tools, provides a close approximation to the performance you can expect from our fabry perot etalon. The multiple processors available in todays computers have opened the door to parallel processing. This figure shows the upper half of a cylindricallysymmetric einzel lens with the x. Simulate light through the system and compute images and intensities at various locations in the design. Gravitational waves and the laser interferometer space antenna lisa 1.

To focus charged particle beams, some crts use einzel lenses. Milliampererange argon ion current can be extracted from the source. The modified einzel lens is composed of four electrodes, and the two center electrodes are specially designed quadrupole lenses having keyhole type rather than circular apertures. Led simulation reflector lenses led reflector and lens simulation using tracepro illumination design and analysis software 2 as the interactive optimizer, the user is able to begin a project with an initial or basic design, which can be validated with interactive ray tracing and. Inverse design tool for ion optical devices using the. The central element of electrostatic ion optics is the accelerating tube lens immersion lens. Assuming that the concentration of charged aerosol particles injected into the focusing region is low, the distortion of the electric field by space charge due to the. This ability has revolutionized the speed of our field solvers to analyze models. The utility and accuracy of the einzel lens models has been demonstrated in the development of a diagnostic model of. It consists of three or more sets of cylindrical or rectangular tubes in series along an axis. An einzel lens, or unipotential lens, is a charged particle electrostatic lens that focuses without changing the energy of the beam. Einzel lens calculation and design for the alpha experiment b. Beginner tutorial 4 designing a fresnel lens with the.

The total simulation space with a rectangular cross section and neumann boundaries is 180 mm in length and 5 mm in height. Electrostatic devices dpace partner in the commercial. A cdrom database with more than 30000 design examples from us patent literature and japanese patent literature. Citeseerx a new design and computer simulation of a 5. However the discontinuous structure of the fresnel zone transitions may generate undesirable diffraction effects. Einzel lens purdue rare isotope measurement laboratory, purdue university, 525 northwestern avenue, west lafayette, in 479072036 telephone. A new design and computer simulation of a 5electrode ion. Optical design software for simulating systems of lenses, prisms, etc. With its powerful psd algorithm, synopsys can do in one second a job that takes other programs more than an hour.

With this tool, labs and eventually eye care professionals can design custom lenses for their patient. Latest qioptiq catalog lens list for the gaussian beam mode lens suggestions. It may be found in cathode ray tubes, ion beam and electron beam experiments, and ion propulsion systems. The einzel lens shape as it is set up for an optimization is shown as a cross section in fig. Johnson, university of manchester and the cockcroft institute, t. The purdue rare isotope measurement laboratory prime lab is a dedicated research and service facility for accelerator mass spectrometry ams. At the same time, the widespread access to 64 bit systems allows the software a more effective use of available ram. The problem is to slow a packet of ions so that they converge in time. Particle tracing in an einzel lens with comsol multiphysics this einzel lens example consists of three cylinders aligned on the same axis. The neutralization source was placed 20 cm downstream from the. Clip summary all winlens3d clips all winlens3d basic clips tell a friend a very gentle introduction to using winlens3d. The optimization of a lowenergy scanning microcolumn is proposed by adopting a modified einzel lens sandwiched between an aligner and a deflector.

In many cases, the selection of tolerances is determined by experience, as well as by outputs from optical design software. Implementation of an einzel lens showing the ion path. The s lens concept takes advantage of the fact that when the interplate spacing of a ring stack is increased, the rf field penetrates further in radially since the plates dont effectively cancel out as easily. Predesigner free optical layout tool lens calculator. Lens design software with 3d printed ophthalmic lenses you will have more design freedom to create customized products for your customers. The quadrupole lens consists of two single quadrupoles turned 90 with respect to each other. Pdf einzel lens chopper and behavior of the chopped beam in. Rotman lens designer software from remcom rf globalnet. This particular model consists of three axially aligned cylinders. Thin lenses are less expensive to manufacture via injection molding and have less chromatic dispersion. The hesq lenses provide stronger firstorder focusing in contrast to weak secondorder focusing of einzel lenses and is also stronger than alternating gradient focusing. An einzel lens works via a semidelicate balance of ion kinetic energy and the potential difference between the central electrode and the outer electrodes. The extraction has been designed to be versatile and easy to match to different plasma densities. The above shows what einzel lens simulation results looks like after it is loaded and the flym has run.

The focusing ability of an einzel lens depends on the following factors. Synopsys code v optical design software provides industryleading solutions for lens design and other imaging systems design. Fresnel lens design software precision engineering consortium. Zoom out by right clicking your mouse and selecting zooming zoom out or just click on the zoom out button on the toolbar. Practical computeraided lens design by gregory hallock smith. Consequently, the potential of the lens drops and the beam is diverged. Simple analytical method to design electrostatic einzel lens. The introduction of the computer revolutionized the way lenses optical systems are designed and evaluated.

Choosing the right optical design software is about more than just the software. The accelerating tube lens consists of tw o metal tubes with different electrical potentials v 1 and v 2 as indicated in fig. The people at lightmachinery are veterans of the laser and optics world with many years of experience in the areas of optical design, high power lasers, optical fabrication, laser systems, metrology, thin film coatings and custom machinery fabrication. In this paper, we will present a design and results of a pic code simulation with space charge. The literature seems pretty consistent that the beam diverges in the first gap and converges in the second gap.

A beam focus is produced just down beam from the end of the grided einzel lens, and this focus then repeats at regular intervals as a result of the cyclotron motion. A threedimensional simulation software for charged. The trick is to have them decelerate in a linear field and then when they are in the middle of it chop the field to zero. Tharp, marquette university, alpha collaboration an einzel lens can be made from a series of hollow. The electrostatic focusing of nanoparticles using a 3electrode einzel lens is investigated through particle trajectory simulations. Optimization of electrostatic lens systems for lowenergy. By harnessing the power of opticstudio, opticsbuilder, and opticsviewer, optical, mechanical, and manufacturing engineers can speak the same language across the optical product development process. Electrostatic lenses are used for the extraction, preparation and rst acceleration of electron and ion beams. It consists of three or more sets of cylindrical or rectangular apertures or tubes in series along an axis.

It is used in ion optics to focus ions in flight, which is accomplished through manipulation of the electric field in the path of the ions. Lenses of general shapes can be modeled, with light rays entering arbitrary angles. At purdue we have constructed a major national ams facility centered around the physics departments. A tour of the simion demo simion 2019 supplemental.

Product engineering teams can share complete design data and analyze performance in a. Im working on a project in designing a tof mass spectrometer and want to include an einzel lens in order to help focus the ion beam onto the detector. Six plates are parallel to the ion flight path with the middle plate at a particular potential. The outer cylinders are grounded, while the cylinder in the middle is held at a fixed. The synopsys optical solutions group osg, formerly optical research associates ora, has been providing worldclass support to our code v customers for over 40years. Computational study of electrostatic focusing of aerosol. Fresnel lenses are attractive for scanning systems because they provide optical power from a thin lens. Optics elements for modeling electrostatic lenses and. Einzel lens calculation and design for the alpha experiment. The outer cylinders are grounded, while the cylinder in the middle is held at a fixed voltage. The better design would be to design the system using a zoom lens rather than an einzel, and to move the target much closer to the lens. The method design and optical evaluation are supported by the standard code simion. Gravitational waves and the laser interferometer space antenna lisa.

Drawings can now be edited by dragging on key features with the mouse lens drawing. I know the basics behind the operation of the lens, but am struggling to find any equations for the focal length of an einzel lens. Ams is an ultrasensitive analytical technique for measuring low levels of longlived radionuclides and rare trace elements. The neutralization source was placed 20 cm downstream from the extraction system. V ery often ion optics with electrostatic lenses is called electron optics. This figure shows the upper half of a cylindricallysymmetric einzel lens with the xaxis as symmetry axis. Example of increasing graphic sophistication, from a simple crosssectional line plot to a 3d wireframe to a 3d solid model in modern lens design software. Parallelization for electromagnetic software integrated. Nov 18, 2008 im trying to design an einzel lens to focus an ion beam.