Design and experimental study on fresnel lens of the combination of equalwidth and equalheight of grooves. Novel design of primary optical elements based on a linear. This optometric clinical practice guideline for care of the contact lens patient describes appropriate examination and. Byrnes,1,2, alan lenef,3 francesco aieta,1,4 and federico capasso1,5 1 harvard john a. Sta vroudis february 18, 1959 this paper describes a new method of defining the total aberrations of a n optical system. The knowledge and skills achieved in this course will prepare participants for advanced level study in optical design. Optical design using fresnel lenses basic principles and some practical examples the fresnel lens can be used in a wide variety of applications. Introduction to lens design with practical zemax examples. In zemax software with the lens width definition, it is possible to design the fresnel lens in radial and cylindrical modes, it is obvious that the width of the radial fresnel lens is zero 10,11. Care of the contact lens american optometric association. And this is all human based lens design where the fun part, and most important part, comes before we do any computer optimization.
The surface f satisfies a system of firstorder partial differential equations that can be solved in terms of g and the refractive indices of the. Given a threedimensional surface g, not necessarily rotationally symmetric, and away from a point source, we design a surface f such that the lens sandwiched between the two surfaces refracts radiation into a given direction or into a given point. Optical design of the fresnel lens for leddriven flashlight. Because of miniaturization, pure ray tracing may no longer be. Compared to a standard lens, the surface of the fresnel lens is divided into a number of concentric grooves. This tutorial assumes you know how to setup and run a photopia analysis inside of solidworks. Continuing the bestselling tradition of the authors previous books, lens design, fourth edition is still the most complete and reliable guide for detailed design information and procedures for. Each block of thickness serves no purpose for refraction but only attenuates. This list covers optical lens designs grouped by tasks or overall type. Penelope przekop 2008 aberrations fiction introduction to lens design. The field of optical lens designing has many variables including the function the lens or group of lenses have to perform, the limits of optical glass because of the index of refraction and dispersion properties, and design constraints including realistic lens element center and edge thicknesses, minimum and maximum air. Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. Design of fresnel lens optical components coursera. To do that, well go back to fresnel s principle which is the exact calculation we did to understand.
Conference proceedings papers presentations journals. The process of designing lenses is both an art and a science. This paper presents a novel fresnel lens capable to significantly reduce chromatic aberration in solar applications. In this paper, we present a design and optical simulation of a novel linear fresnel lens. Design and machining of fresnel solar concentrator surfaces. Designing large, highefficiency, highnumericalaperture, transmissive metalenses for visible light steven j. Each block of thickness serves no purpose for refraction but only attenuates the wave. Optical design using fresnel lenses wiley online library. The numerical aperture of a lens system is defined to be the sine of cone angle, that the marginal ray makes with the. Pdf design and optimization of fresnel lens for high. Table 45 contains the symbols used in contact optics. It teaches how a satisfactory design can be obtained in a straightforward way. Spectacle lens design the goal of the spectacle lens designer is to give the patient clear vision at all distances through any portion of the spectacle lens. Thus, he is ideally suited to write an uptodate edition of lens design fundamentals.
This spie field guide provides a working reference for practicing physicists, engineers, and scientists for deciphering the nuances of basic lens design. Geary, some miscellaneous notes on zemax, and some notes based on zemax knowledgebase articles with proper links and attribution of course. Design analysis of a fresnel lens concentrating pv cell article pdf available in international journal of lowcarbon technologies 63 august 2011 with 615 reads how we measure reads. The best known microstructured optic is the fresnel lens. Design of a chmsl based on fresnel lens pdf free download. Design examples of several widely used modern lenses are provided. Structural modifications zero operands, lens splitting, lens addition, lens removal, material selection 3 30. The quadratic phase profile of a lens is quantized to a onewavedeep kinoform profile. In this tutorial you will design a narrow beam fresnel lens using the parametric optical design tools podt and the cree cxb18303000k cob led. Zoom lens design of mobilephone camera with globalexplorer optimization chaoyu hung and jyhlong chern department of photonics, institut e of electrooptical engineering microelectronic and information system research center national chiaotung university, hsinchu, taiwan, 30050, r. Let rx be the power of the contact lens tear lens system.
A course in lens design is an instruction in the design of imageforming optical systems. A tutorial for designing fundamental imaging systems. Pdf design and machining of fresnel solar concentrator. If the power of the contact lens in air is fc and the power of the tear lens in air is ft, then fc.
Participants will learn how to design various lenses from simple landscape lens to the complex triplet. Fresnel lenses have the advantage of being able to. Fresnel lens and described the design optimization process, and results. Thoroughly revised and expanded to reflect the substantial changes in the field since its publication in 1978 strong emphasis on how to effectively use software design packages. The fabrication quality of the microstructures and the accuracy of the geometrical curvature of the fresnel lens affect the optical characteristics of the emitted light traveling through the. Practical conditions specify lens materials, safety considerations fix lens thickness, fashion dictates lens. Pdf fresnel lens is found to simplify the system structure and enhance the performance of photovoltaic systems.
How to make a fresnel lens l 2l 3l 4l 5l 6l 7l mark o the longitudinal zones of thickness where the waves inside and outside the material are in phase. Design and modeling of a costeffective achromatic fresnel lens for. The book closes a gap in solar concentrator design, and descri. Design and experimental study on fresnel lens of the. Lenses in a photo system, the lens is most critical lenses are characterized by prime vs. Let rx be the power of the contact lenstear lens system. Tasks that can benefit from such a library include choosing a starting point for a new design, finding benchmarks for an existing design, and assessing design targets.
A practical optimization design is proposed, in which the solar direct light spectrum and multijunction cell response range are taken into account in combination, particularly for the fresnel concentrators with a high concentration and a small aspect ratio. Contact lenses from the centre to the periphery is a rotationally symmetric aspherical surface. Everyday low prices and free delivery on eligible orders. Field guide to lens design 2012 bentley publications. The book begins with an outline of the general process before delving into aberrations, basic lens design forms, and optimization. If youre going to design and build a fresnel lens, pretty much your first question is where do the various periods of the diffraction grating go, and how small a feature do i have to make, to make a particular lens. Once you have found a candidate design, exporting the lens to your optical design program, where the design can be modified, is quick and easy. Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Optical engineers working in lens design will find this book an invaluable guide to lens design in traditional and emerging areas of application. This practical, handson course will provide you with the fundamental principles in optical lens design. A practical guide to lens design focuses on the very detailed practical process of lens design. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Pdf fresnel lens sidewall design for imaging optics researchgate.
Zones the area of a contact lens displaying the required dioptric power for the correction is called the optic zone. But all of these software packages share one critical flaw. Pdf design analysis of a fresnel lens concentrating pv cell. A system of partial differential equations defi ning optical. When we design optical systems, we need to decide specifications of optical systems. My notes from the book introduction to lens design by joseph. This material can be removed and the remaining material collapsed to produce a fresnel lens which has the. Mechanical cams are still in widespread use for the practical realization of the required motions in zoom lenses. While advancements in the field over the past two centuries have done much to transform it from the former category to the latter, much of the lens design process remains encapsulated in the experience and knowledge of industry veterans. Theory is limited to a minimum, and used to support the practical design work. Magnification of this optical system mmm is given by the following equation 1.
Using lensview to search for designs which are similar to the design you need, takes only a few minutes and gives you a great source of starting points. This video presentation showcases the design and manufacturing process of historic fresnel lens reproductions use to illuminate lighthouse in the mid to late. This shows that we can calculate back focal length. In addition, the change of refractive index due to temperature variation in outdoor operation conditions is also considered in the design. Thorlabs fresnel lenses offer light focusing and collimation without the bulk associated with traditional lenses. The novel nonimaging fresnel lens can be designed as stationary solar.
Introduction to lens design with practical zemax examples by. The fresnel lens is composed of micrometersized vgroove structures that determine the maximum illuminance and brightness uniformity of leddriven flashlights, which are used in highquality photography. Zoom lens design of mobilephone camera with global. To account for the effect of a rigid contact lens we must take into account the power of the contact lens and the power of the tear lens formed between the back of the lens and the cornea. You can see how a new design can evolve around a simple starting point idea or structure. Auto suggestions are available once you type at least 3 letters. Nonimaging optics welford, winston 1989 o er the possiblity to design fresnel lenses as station ary concentrators with low concentration ratios. The book introduces geometrical optics, optical instruments. Pdf fresnel lens sidewall design for imaging optics. My notes from the book introduction to lens design by. Concentrated solar energy applications using fresnel lenses. This optometric clinical practice guideline for care of the contact lens patient describes appropriate examination and treatment procedures for. Aspheres correction with aspheres, forbes approach, optimal location of aspheres, several aspheres 4 06.
Pdf a practical optimization design is proposed, in which the solar direct light spectrum and multijunction cell response range are taken into. Object is placed at front focal plane of an objective lens, and an image is given at back focal plane of an imaging lens. Structural modifications zero operands, lens splitting, lens addition, lens removal. Radial fresnel lenses are concentric circles and cylindrical fresnel lenses are rectangular 2,1517. Designing large, highefficiency, highnumerical aperture. A file exchange site for lens designs a library of lens designs is helpful for the optical engineer. Some basic optimization rules are presented which may facilitate a first order design or feasibility study. In this course you will learn to design and analyze optical systems using geometrical optics and. Nov 10, 2019 a file exchange site for lens designs a library of lens designs is helpful for the optical engineer. 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. Paulson school of engineering and applied sciences, cambridge, massachusetts 028, usa 2 charles stark draper laboratory, cambridge, massachusetts 029, usa. Advanced photonics journal of applied remote sensing. Special correction features i 20171204 herbert gross winter term 2017.
Pdf we developed a ray tracing simulation tool for imaging systems including a fresnel lens with a quasiarbitrary sidewall structure. This repository contains my own notes made from the book introduction to lens design by joseph m. I have used zemax, pyzdde, and ipython notebook for creating these notes. Parameters include surface profile types spherical, aspheric, holographic, diffractive, etc. Miniaturization of fresnel lenses for solar concentration bphot. He has a very limited number of degrees of freedom. Background a fresnel lens is an optical component which can be used as a costeffective, lightweight alternative to conventional continuous surface optics. Zoom lens design of mobilephone camera with globalexplorer. Introduction to lens design with practical zemax examples pdf. This technology requires that the motions themselves be controlled at the design stage to be reasonably monotonic and often to have certain mutual.
1256 1179 493 128 1097 602 1034 144 1162 1198 1145 416 1458 832 385 437 932 544 320 216 662 3 1433 1421 1279 1000 323 390 1114 1307 913 139 694 4 377 42 42 1113 350 1483 625 1329 279 47 804 373 1457