Using focal plane arrays of either 160x120 or 80x60 active pixels, lepton easily integrates into native mobiledevices and other electronics as an ir sensor or thermal imager. Conrady in applied optics and optical design and rudolph kingslake in lens design. Organized by subject, the book begins with the fundamental law of geometric optics, snells law of refraction, and states. He has over 20 years of experience in various areas, which include lens designs in fields of eyepiece, 3d projection design, 3d confocal optics, doe, ftheta lens, optical system with vir, nwir, mwir, lwir, gaussian beam propagation, cell phone lens design, machine vision, mirror system. Design for near and distant viewing distances is essentially identical. Short wave fixed focal length lenses are the best choice for use with swir cameras. A certificate of conformity coc accompanies each lens. The flir lepton is a radiometriccapable lwir camera solution that is smaller than a dime, fits inside a smartphone, and is one tenth the cost of traditional ir cameras. If one is after the detailed mathmatics of optical design, this is a good book. Organized by topic, the book begins with the fundamental law of geometrical optics, snells law of refraction, and states the. On february 2021, 2020, we gathered for the third time to discuss the latest trends and tackle the industrys biggest challenges. Full text of optical design fundamentals for infrared systems 3 see other formats. It teaches how a satisfactory design can be obtained in a straightforward way.
Navitar designs, develops and manufactures innovative optical solutions for clients and enterprises across the globe. While in a balanced design, each of the factors needs to be evaluated. The author has expanded the information found in his practical 1995 tutorial. Mwir, lwir, gaussian beam propagation, cell phone lens design, machine vision, mirror system design, telescope design. Mwir lwir collimating lenses have a high numerical aperture for maximum light collection for collimating light from mwir and lwir lasers, including quantum cascade lasers qcl. Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. It is therefore generally invisible to the human eye, although ir at wavelengths up to 1050 nanometers nms from specially pulsed lasers can be seen by humans under certain conditions. Iivi os also provides customized imaging lenses engineered and built to customer requirements for the vis, swir, mwir, and lwir. Principles of atoric lens design darryl meister, abom lens talk sola technical marketing vol. Note that this compact reference is not a substitute for a. Introduction to lens design with practical zemax examples by. Lepton lwir micro thermal camera module flir systems. Modern lens design mcgrawhill professional engineering amazon.
Modern lens design mcgrawhill professional engineering warren j. Parameters include surface profile types spherical, aspheric, holographic, diffractive, etc. Each chapter is a great introduction for a specific optics subspecialties. Jan 01, 1978 a large part of this book is devoted to a study of possible design procedures for various types of lens or mirror systems, with fully worked examples of each.
The aspheric design enables a single lens to replace complex multiple component optical system. Optec swir lenses are tested and certified one by one. Field guide to lens design 2012 bentley publications. This book is different from most other books on lens. Cleartran is the most commercially available clear zinc sulfide and it can be used for windows and lenses from the visible through to the lwir. The impact of diffraction effects on the lens design is considerably increased. For any given sensor and state of the technology employed, it may be the case that the sensor is signaltonoise limited. Our premier range of ir lens for cooled and uncooled camera system includes. On optec website, on the proper page, the customer can download the certificate at any time by entering the part number and the serial number of the purchased lens. The sigesi triplet lens design can be used for the mwir and lwir spectral bands, whereas the geznsege triplet lens can be used only for the lwir spectral band. We manufacture flir, nir, mwir, swir, lwir cameras and much more.
Ir lenses are optical lenses that use specific substrates or antireflection coatings to maximize performance for applications operating above 700nm including thermal imaging, flir, or spectroscopy. The handbook of optics, from the optical society of america, is a tremendously valuable resource for all optics practitioners. Further, 50% of these wearers have corrections with over 0. Optical design fundamentals for infrared systems, second. Our products range from high magnification motorized zoom imaging systems to fisheye projection lenses used in a wide variety of industries. Explore design principles such as bending, symmetry, stop shift, and lens splitting. Optical design fundamentals for infrared systems researchgate. As i described in a paper at the 2014international optical design conference, this class of optics is interesting be they are of a reasonable complexity that the designs are likely to be instructive, they offer a small range of design constraints because of the standardization of cmos imager sizes. The following discussions are organized by subjects, starting with a thin lens and progressing to increasingly more sophisticated components and multielement systems. The book begins with the derivation of the fundamental law of geometrical optics, snells law of refraction, and states the paraxial ray trace equations. The use of thin fresnel and diffractive lenses made from lwir transmissive material for thermal cameras has been considered over the years. He has over 20 years of experience in various areas, which include lens designs in fields of eyepiece, 3d projection design, 3d confocal optics, doe, ftheta lens, optical system with vir, nwir, mwir, lwir, gaussian beam propagation, cell phone lens design, machine vision, mirror system design, telescope. Two lens designs for modern uncooled and cooled ir imaging devices. A practical guide to lens design focuses on the very detailed practical process of lens design.
Twolens designs for modern uncooled and cooled ir imaging devices. Half of its content is devoted to the design of sixteen types of lenses, described in detail from beginning to end. Modern lens design mcgrawhill professional engineering. Because the optical design process is historically and quite practically closely related to ray optics, this book is intended as a companion to the field guide to geometrical optics, in which rstorder optics, thin lenses, and basic optical systems are treated in more detail. There is at least one company that took the idea of using plastic fresnel lenses into production for relatively low resolution tasking. Contents v authors vii conference committee session 1 optical system design i 10627 02 refractive optically multiplexed lwir imaging system invited paper 106271 10627 03 design study of a mwirlwir mulitple fov lens 106272 10627 04 the relation between uncooled arrays pixel size and optics in the longwave infrared 106273. Applying the fundamentals is written for engineers and scientists who have some experience in the field of optics and want to know more about the details and derivations of equations used in optical design. The book introduces geometrical optics, optical instruments and aberrations. Two major factors determine how bright an object appears to a thermal imager.
Infrared ir, sometimes called infrared light, is electromagnetic radiation emr with wavelengths longer than those of visible light. A large part of this book is devoted to a study of possible design procedures for various types of lens or mirror systems, with fully worked examples of each. Full text of optical design fundamentals for infrared. Although i have taken a great deal of effort to assure accuracy, the user of any of. A course in lens design ebook by chris velzel rakuten kobo. A new section discusses wave aberrations, with a comparison of the spherical. In lens design with large computers, proceedings of the conference, institute of optics, government superintendent, rochester, new york. Lens design fundamentals, second edition, is the most comprehensive treatise to be published on the subject of lens design. Because the optical design process is historically and quite practically closely related to ray optics, this book is intended as a companion to the field guide to geometrical optics, in which firstorder optics, thin lenses, and basic optical systems are treated in more detail. Beck optronic solutions offers a range of high performance fixed focal length lenses and a zoom lens suitable for use in the swir 0. Lumitron offers our customers a wide range of offtheshelf optical solutions for each of our camera products.
Tamron lwir zoom lenses imaging and machine vision europe. There is at least one company that took the idea of using plastic fresnel lenses into production for. Navitars fixed focal length swirhyperspectral lenses are designed for swir short wave infrared cameras and applications. This book is ideal as a textbook for advanced undergraduate or graduate course in lens design principles and as a selflearning tutorial and reference for the practitioner.
The total length of the geznsege triplet lens is shorter than the sigesi triplet lens by 47. Optical design fundamentals for infrared systems, second edition. These objectives are design, built, and tested in the usa for high optical performance. Tamron, a specialist in industrial and oem lens assemblies, has recently selected sierraolympic technologies as the new stocking distributor for the costeffective tamron lwir zoom lenses. The reader is urged to follow the logic of these examples and be sure that he understands what is happening, noticing particularly how each available degree of freedom is used to control.
Design examples of several widely used modern lenses are provided. The computer program oslo was used to design the work, but the writeups are programneutral. A tutorial on electroopticalinfrared eoir theory and systems. A tutorial on electroopticalinfrared eoir theory and. This book holds a unique place in the optics literature. This book provides the skills and knowledge to move into the exciting world of contemporary lens design and develop practical lenses needed for the great variety of 21 stcentury applications. The reader is urged to follow the logic of these examples and be sure that he understands what is happening, noticing particularly how each available degree of freedom is used to control one aberration. Spie 10998, advanced optics for imaging applications.
The percival philosophy is similar to that used in modern spectacle lens design. Swir hyperspectral lenses navitar optical solutions. The design of a sensor is a tradeoff between these three factors, placed in the context of characteristics of the target and environment. We have recently introduced a new and novel design with switchable zoom ranges with coplanar foci.
The practical, popular 1995 tutorial has been thoroughly revised and updated, reflecting developments in technology and applications during the past decade. Ir wavelengths extend from the nominal red edge of the visible. Pdf twolens designs for modern uncooled and cooled ir. The materials include germanium, amtir 1, zinc sulfide, and zinc selenide.
Optical design fundamentals for infrared systems max j. Theory is limited to a minimum, and used to support the practical design work. Ir lenses and athermal ir lenses for lwir uncooled thermal. A course in lens design is an instruction in the design of imageforming optical systems. Our thermal infrared cameras and systems are perfect for a broad spectrum of industries.
We stock lwir lenses for our uc320 product, mwir lenses for our rc320 product and swir lenses for our nir320 product with a wide range of focal length choices to optimize performance for a given application. Chapters relevant to lens design include doug goodmans chapter on generic principles of geometric optics, glenn boremans chapter on transfer function. Lens files for the optimized airspaced geznsege and. Geometrical snells law bends geometrical rays most aberrations can be expressed in this framework. In the mwir and lwir, many other materials also can be used as substrates for. Advanced lens design uci division of continuing education. Infrared cameras inc is proud to present our development of thermal cameras, as well as multispectral infrared cameras and complete package systems. Achromats are covered in more detail, with an updated discussion of beam expanders. The swir spectrum is an ideal choice for a variety of applications, including solar cell inspection, security, and biomedical imaging.
Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. Continuing to focus on fundamental methods and procedures of lens design, this revision by r. Introduction to lens design with practical zemax examples. Lens design fundamentals edition 2 by rudolf kingslake. A course in lens design springer series in optical sciences 183. Download citation optical design fundamentals for infrared systems. Zinc sulfide is commonly manufactured by chemical vapor deposition cvd. Infrared lenses trace pro, oslo, optiwave design consultancy. Transformation optics relay lens design for imaging from a. We learned how great design, great research, and profitability convergethrough four keynote presentations, six panels, 4 trend moments with industry leading building product companies, three lively roundtables, and hours of networking discussions. All are for folded zooms, which provide an interesting study. Ball lens, gradient optics, and three mirror configurations have been added to the chapter on special optical surfaces and components. Ir lenses are used to collect, focus, or collimate light in the nearinfrared, shortwave infrared, midwave infrared, or longwave infrared spectra. Therefore, this book can be used with any lens design software.
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