This swir lens and camera series is ideal for quality assurance and material analysis for a wide variety of industries including semiconductor, biomedical, and agriculture industries. In this study, a realtime pixel based early apple bruise detection system based on hsi in the shortwave infrared swir range has been developed. The system can capture hyperspectral or multispectral images in the spectral range of 9001700 nm. In the swir path the fnumber is adapted to the corresponding chip dimensions. Please find below best books for optics and lens design. Lens design is, therefore, a strong component of a wellrounded education in optics, and a skill valued by industries employing optical engineers. This title is directed primarily towards health care professionals outside of the united states.
This technology requires that the motions themselves be controlled at the design stage to be reasonably monotonic and often to have certain mutual. Optical design fundamentals for infrared systems, second. Lenses include megapixel,day and night,1inch format,line scan with fmount,f0. Gholographic company has extensive experience with nearly every kind of optical system, including instrumentation, astronomical, illumination, nightvision, infrared, eyepieces, architectural lighting, automotive, medical, solar industry and more. When the first edition of modern lens design mld was published, there was a great need for a collection of suitable design forms at which to start the design process, and mld provided almost 300 lens designs for this purpose. Gholographic company has extensive experience with. The alignment of the lrf with respect to the swir camera line of sight can be controlled by adjustable integrated wedges. Shortwave infrared swir light is typically defined as light in the 0. Gholographic company has extensive experience with nearly every kind of optical system. Solutions include complete optomechanical and optoelectronic assembly and subassembly systems. A design study is presented to reveal combinations of plastic and glass lenses suitable for aberration correction.
In order to accomplish this task, the lens design and coatings must be capable of maintaining a high level of transmission throughout a broad wavelength range. Since swir wavelengths transmit through glass, lenses, and other optical components optical filters, windows, etc. A practical guide to lens design focuses on the very detailed practical process of lens design. Opti 517 designing optical systems university of arizona.
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. This paper explores the viability of using plastic optics in broadband swir imaging applications and the efficacy of using plastic lenses as a method of weight reduction. Lumitron offers our customers a wide range of offtheshelf optical solutions for each of our camera products. Highresolution, lowdistortion design offers megapixel clarity in hyperspectral application. 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.
Every system includes one aspheric surface and free positioned aperture stop. Design examples of several widely used modern lenses are provided. Swir lens 15um mwir lens 25um mwir lens 35um lwir lens 8. Even though there has been much progress in optical design software since the book was written, the principles are timeless. And the maximum field of a detector is fully filled with the same size of target object at the minimum approaching distance 50 m. The lens surfaces are rotational symmetr ic and calculated to have good control of nonparaxial rays. Our preengineered lenses give our customers the option to choose from a variety of preliminary designs based on what suits their application best. A liquid crystal tunable filter based shortwave infrared. A zoom lens derivative of the sonnar, the variosonnar also exists, in which a number of lens groups are replaced with floating pairs of lens groups. He teaches short courses and has published many papers on fundamental lens design, replicating optical elements, and diamond turning diffractive optical components for applications in the infrared spectrum. Field guide to lens design 2012 bentley publications. 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. Plastic diffractionlimited wideangle airspaced cooke.
Mechanical cams are still in widespread use for the practical realization of the required motions in zoom lenses. Photo model number lens format focal length iris range fstop mount data sheet compare. Affordable swir camera targets costsensitive markets. In this paper, several different broadband reflective and refractive lens design solutions are presented and compared. Kowas zoom swir lenses offer high transmission from to 2000 nanometers and are ir corrected to ensure flawless transitions from day to night without manual adjustments. Swir fixed focal length lenses ideal for applications including solar cell inspection, security, and biomedical imaging are available at edmund optics. A comprehensive guide to camera lens design and zeiss nomenclature. When utilized in conjuction with a swir camera, these lenses will permit imaging through silicon, imaging outdoors without additional illumination, detecting bruising on fruit, and a host of additional infrared. The variosonnar is a carl zeiss photographic lens design named in relation to the zeiss sonnar. Swir lenses,high resolution megapixel vari focal lenses for fa factory automation machine vision industrial. Barry johnson is a disciple of conrady and kingslake, and who has a deep background in lens design theory as a professor of optics and many years of experience as a practicioner in the real world of lens design.
He has a very limited number of degrees of freedom. An assessment of the advantages and disadvantages for each of the lens design forms will be provided together with. Realtime pixel based early apple bruise detection using. Modern lens design mcgrawhill professional engineering, warren j. Designed for swir can be manufactured using the same techniques used for visible components.
Different versions of the class of lenses are presented and can be used to form a practical startingpoint base for many types of lens. Fixed focal length lenses are designed for swir cameras. The percival philosophy is similar to that used in modern spectacle lens design. The new bobcat320series from xenics is made up of 3 high performance, compact swir cameras. Our products range from high magnification motorized zoom imaging systems to fisheye projection lenses used in a wide variety of industries. Swir hyperspectral lenses navitar optical solutions. Navitar designs, develops and manufactures innovative optical solutions for clients and enterprises across the globe.
Swir lenses can be used in a variety of applications including solar cell testing, outdoor night vision imaging security application, fruit surface. One is a singlet lens and the other is a doublet lens system. Swir imaging applications require the optical system to. This inhouse developed ingaas detector is sensitive from 0. Beck optronic solutions offers a range of high performance fixed focal length lenses and a zoom lens suitable for use in the swir 0. These designs were selected not only as starting points, but also as illustrations of important design principles.
Modern lens design is an excellent textbook in optical design using personal computer software. Unique coating technology delivers high transmission from 800nm1,700nm. This edition has been thoroughly updated and contains integral. 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.
Later, the method was extended for designing imaging optics. It is essential to use a lens that is designed, optimized, and coated for the swir wavelength range. He currently resides in bavaria, germany, and is a fellow of spiethe international society for optical engineering. In order to accomplish this task the lens design and coatings must be capable of maintaining a high level of. A design study is presented to reveal combinations of plastic. Navitars 1 fixed focal length swir hyperspectral lenses are specifically designed for swir short wave infra. Swir hyperspectral lenses navitars fixed focal length swir hyperspectral lenses are designed for swir short wave infrared cameras and applications.
The system mainly consisted of an lctf, an ingaas camera, a swir lens, and an illumination unit. The application of the sms method for imaging optic s was first introduced for the design of an ultrahigh numerical aperture rx lens com posed by two aspheric surfaces 9. Automatic and quasiautonomous computational methods and techniques is the first book that interactively describes the newest modern lens design tools. This book holds a unique place in the optics literature. This book is superb because it lays out different lens design forms suitable for different fnumber and fov. The german optical systems manufacturer, carl zeiss, has had a 168 year legacy in creating some of the worlds best lenses. Unique coating technology delivers high transmission from 800nm1,700nm highresolution, lowdistortion design offers megapixel clarity in hyperspectral application.
Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. Net books we recommend for optical design video how tos, hint, tips and secrets for lens design software from qioptiq linos photonics optical design is a highly complex subject. The solo 50 is a high performance 50mm focal length lens designed for imaging in the 0. Detailing design methods for a variety of lens forms, this book shows that fixed focus and zoom lenses can be optimized, starting from planeparallel surfaces, in a brief time on a modern fast pc compared to traditional tools that require many days or weeks of tedious work. Oct 19, 2012 this paper explores the viability of using plastic optics in broadband swir imaging applications and the efficacy of using plastic lenses as a method of weight reduction. Plastic diffractionlimited wideangle airspaced cooke triplet lens designs for swir imaging applications. Goyo optical inc,established in 1976, produces a wide variety of lenses used in machine vision and cctv surveillance. Parameters include surface profile types spherical, aspheric, holographic, diffractive, etc. Just tell us your application requirements dimensions, wavelength range, etc. The methodologies for designing the lctfbased spectral imaging. We have recently introduced a new and novel design with switchable zoom ranges with coplanar foci to provide a x12. Swir lens 15um mwir lens 25um mwir lens 35um lwir lens 812um swir lenses. In addition to the stock specifications available, kowa offers madetoorder zoom swir lenses to fit any longrange surveillance application. Swir lenses, fa factory automation machine vision industrial lens.
In addition, the problem of designing and producing broadband ar coatings for such a wide wavelength region will be considered. In swir imaging applications there is a need for the optical system to efficiently transmit light in the visible, nir and swir wavelengths. Each lens can be customized or designed to meet customer specifications. Using a lens designed for the visible spectrum will result in lower. Every optec swir lens is internally coated with a specifically designed for the swir range black. Modern lens design mcgrawhill professional engineering. We have achieved designs with excellent performance, and with. High performance swir 50mm lens option solo sensors. Swir lenses have a super wide focal length 6mm and 8mm and low distortion of 0. Design for near and distant viewing distances is essentially identical. In this study, the optical performance of plastic acrylicpolycarbonateacrylic, acrylicpolystyreneacrylic, pmmapolycarbonatepmma, and. Combined with the previously mentioned gon meaning angle, a distagon is a wideangle lens with a large distance to the image. The process of designing lenses is both an art and a science.
This systems consists of a novel, homogeneous swir illumination unit and a line scan camera. Conrady in applied optics and optical design and rudolph kingslake in lens design. We have recently introduced a new and novel design with switchable zoom ranges with coplanar foci. The surfaces of an aspheric lens are designed to minimize spherical aberration, thereby providing a robust single element solution for many applications, such as collimating the output of a fiber or. Navitars fixed focal length swir hyperspectral lenses are specifically designed for swir short wave infrared cameras and applications. Jan 01, 2006 this title is directed primarily towards health care professionals outside of the united states. Comparing the acrylicpolycarbonateacrylic airspaced cooke triplet lens design with the other three plastic lens designs, the obtained results indicate that the acrylicpolycarbonateacrylic design can achieve the best image quality performance at 50% contrast 56 cyclesmm and strehl ratio 0. Whether it is be for the medical field, in an industrial setting, or even for use in electrical thermography, process control, or precision agriculture including the use of aerial drones, our goal is to. 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. Since silicon sensors have an upper limit of approximately 1.
Lens design fundamentals, second edition, is the most comprehensive treatise to be published on the subject of lens design. The practical, popular 1995 tutorial has been thoroughly revised and updated, reflecting developments in technology and applications during the past decade. For visible lens designs, several books give good starting points warren smith modern lens design milton laikin lens design rudolf kingslake the history of the photographic lens patents are also a good source lens view is a program with over 10,000 patents. It adds impressive building blocks to the foundation established by a. 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. Practical conditions specify lens materials, safety considerations fix lens thickness, fashion dictates lens. The dista in distagon is derived from the word distance. Highlights a liquid crystal tunable filter lctf based shortwave infrared swir spectral imaging system. Optec swir lenses are tested and certified one by one. In this picture, water is darker in swir lighting which. Dec 30, 2014 incompatible with every slr and dslr design because the rear element protrudes into camera body. Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. The swir spectrum is an ideal choice for a variety of applications, including solar cell inspection, security, and biomedical imaging.
Computar swir lens series m5018sw saber1 technologies, llc. 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. A certificate of conformity coc accompanies each lens. Spherical aberration often prevents a spherical lens from achieving diffractionlimited design. In lens design with large computers, proceedings of the conference, institute of optics, government superintendent, rochester, new york. Swir short wave infrared lenses are specifically designed for machine vision applications in nir and swir. Nasse wrote a series of technical papers for carl zeiss detailing their modern lens history and. High performance swir 50mm lens option solo sensors unlimited. A comprehensive guide to camera lens design and zeiss. Lenses infrared, xray, space optec swir lenses are optimized to work in three bands of use. The system performance was tested on jonagold apples bruised less than two hours before scanning.
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