Monocentric lens design pdf

Monocentric lenses conventional optics cannot accommodate widefov lf capture, so we employ a monocentric lens built from concentric glass spheres. This is due in part to the limitations of fisheye lenses, for which a fundamentally constrained entrance pupil diameter severely limits depth sensitivity. Design and fabrication of silicontessellated structures. Since that mirror also shares the same common center of curvature in this bouwers design. Telecentricity, monocentric systems, anamorphotic lenses, scheimpflug systems 10 18. Monocentric optical designs are free of field dependent aberrations because they are com pletely symmetric. Optimization of twoglass monocentric lenses for compact panoramic. For our panoramic imager, we thus couple straight and curved fiber bundles made from schott 24as fiberoptic material to a monocentric lens see figure 1. Superwideangle mobile lens design based on monocentric. The mobile phone lens is composed of 4 monocentric lenses.

Here the monocentric meniscus lens corrects for the spherical aberration of the mirror. Osa ray tracing in monocentric and ball lenses by a general. A widefieldofview monocentric light field camera donald g. The ramsden is a positive eyepiece that can be used as a simple magnifier, meaning that the focal plane is in front of the field lens. The small eye lens makes peering through high magnification huyghenian oculars rather like looking through a pin hole. Monocentric lensbased multiscale optical systems and. Osa field of view in monocentric multiscale cameras. Embodiments of the present invention comprise a monocentric lens as an objective lens that collects light from a scene. Kepler invented 1611 within a few years, the kepler eyepiece was invented. Simple lenses are lenses consisting of a single element. Tutorial of telecentric lens haosheng hu college of optical sciences university of arizona december 6, 2016 introduction.

The monocentric lens compared with a lytro illum and a conventional fisheye lens. Monocentric multiscale lenses further allow the implementation of an arbitrary field of view in camera volumes comparable to conventional single lens systems. Us9256056b2 monocentric lensbased multiscale optical. In order to meet the requirement of miniaturization, high image quality and large field of view of monitor lens, based on the characteristics of monocentric lenses, and the development of curved image sensors, we designed a monitor lens optical system and all refraction surfaces and its curved image. Optimization of twoglass monocentric lenses for compact. Design and scaling of monocentric multiscale imagers core. Kingslakejohnson lens design fundamentals, spie press, 2010 8. Ive made mirrors and hand figured large lenses but a ball lens is something ive. In one aspect, an optical imaging system includes an optical imaging module that collects light to form an image on an imaging surface, one or more imaging sensors each including an array of optical detectors located away from the imaging surface to. His eyepiece design consists of two plano convex crown lenses of equal focal lengths, separated by about 23d the sum of their focal lengths and with the plane surfaces facing outward away from each other. Us9329365b2 wide field of view monocentric lens system. An imaging system with wide field of view fov and high resolution is proposed in this paper. The design is still in use today, in very cheap binoculars and opera glasses. Our analysis indicates monocentric lenses imaging onto a curved detector outperform other systems for the same design constraints but do so at a cost in lens weight.

List the lens data in the text window by clicking on len in the text window header. Monocentric lens designs and associated imaging systems. A monocentric lens produces a spherical image, which we capture using tiled sensors and lenslet arrays 6. Superwideangle mobile lens design based on monocentric lenses.

Pdf oversampled triangulation of aware10 monocentric. Click on document introduction to lens design with practical zemax examples pdf. The degree of curvature required to obtain significant benefits are particular to the specific optical requirements field of view, aperture, chromatic bandwidth, etc. The monocentric lens is ideal for wide fieldofview applications. A lens design form can be a combination of positive optical power and negative optical power lens elements that share characteristics with each other.

Optics of near to eye displays neds dave kessler, oasis 20 tel aviv, february 19, 20. The monocentric is actually an old eyepiece design developed in the 1880s. The monocentric lens design used in this camera solves these problems. In order to meet the requirement of miniaturization, high image quality and large field of view of monitor lens, based on the characteristics of monocentric lenses, and the development of curved image sensors, we designed a monitor lens optical system and all refraction surfaces and its curved image surface have the same spherical center. Brian blandford 2005 7 opic lens design tutorial edu plotting a spot diagram now create a map of the pattern of rays falling on the image. Transformation optics relay lens design for imaging from a. Osa ray tracing in monocentric and ball lenses by a. In contrast with conventional widefieldofview systems, multiscale design can also achieve nearly uniform resolution across the entire field of view. Monocentric lenses have recently changed from primarily a historic curiosity to a potential solution for. Geary lens design with practical examples, willmannbell 6. Pdf fibercoupled monocentric lens imaging researchgate. Pdf monocentric lenses provide highresolution panoramic imaging onto a. Just like a telescope, photographic objective, or any other optical device, ophthalmic lenses are designed to maximize performance.

Infrared radiation entering the monocentric lens passes sequentially through the front shell lens elements, the core lens. Optical design reasoning over the past years several customers asked me why we force the making of lenses with rather fast focal ratios. Wedemonstrate thetradeoffbetweenspectralband,fnumberandlenscomplexity, andprovide. The design of miniaturization and super wide angle monitor. Does anyone has a design for monocentric eyepieces. The lens consisted of a thick cemented triplet, with an equiconvex barium crown flanked by borate flint negative meniscus elements. I am not saying that the production and design did not look like this. Pdf monocentric lenses have proven exceptionally capable of high. Nowadays, high accuracy and performance of critical to many machine vision system, a method that use telecentric lens. A legacy in lens design and optical engineering, 586508 18 august 2005. The final design shows that the mtf is larger than 0. Monocentric multiscale mms lenses are a new approach to highresolution wideangle imaging, where a monocentric objective lens is shared by an array of identical rotationallysymmetric secondary imagers which each acquire one overlapping segment of a mosaic. If you flip a monocentric lens over to the other side of its common center of curvature nothing changes about the systems aberrations.

For example, solving this lens design only leads to a secondary design constraint, in that the total resolution of such wide angle lenses may easily exceed 100 megapixels. Monocentric lenses support both a wide fov and a wide aperture but. In this work, we derive a general raytracing formula for monocentric lenses based on a linear form of snells law. Methods, systems, and devices are disclosed for capturing and forming large high quality images using monocentric optical imaging. Higher order aberrations high na systems, broken achromates, induced aberrations. Panoramic monocentric imaging using fiber coupled focal. Monocentric lens geometries and algorithms for systematic optimization fig. Design and scaling of monocentric multiscale imagers citeseerx. Monocentric lens based multiscale optical systems and methods of use.

This is beyond the current spatial resolution and communications bandwidth of a single. To conform to the hemispherical focal plane of the lens, we use. Sep 10, 2014 page 2 of 4 making and using a monocentric eyepiece from commercial parts posted in eyepieces. Patent of the month monocentric lens the triz journal. Introduction to lens design with practical zemax examples pdf. The center design shows a related compact design which sacrifices both resolution and light collection. 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. Pdf broadspectrum fibercoupled monocentric lens imaging. A widefieldofview monocentric light field camera stanford.

Wo2014074202a2 monocentric lens designs and associated. The luneburg lens is a special case of integrated lenses, with nonuniform refractive index, where ideally an incident plane wave is focused on the antipodal point on the lens surface, see figure 2b. Visible spectrum 2gs mc lens b mtf design performance and prescription. A methodology to design optical systems with curved sensors. Optical design of ophthalmic lenses introduction we tend to prescribe ophthalmic lenses as though any lens with the right back vertex power will do. Leveraging capabilities of the lf representation, we propose a novel method for ef. The design is a hybrid between the two implementations introduced in figures 4 and 5.

For example in the monocentric lens design form, which. From this formula, we can directly get the meridional formula for a single symmetric or asymmetric monocentric lens. May 23, 2016 in this paper, we introduce the design and implementation of a segmented, hemispherical, cmoscompatible silicon image plane for a 10mm diameter spherical monocentric lens. Aspheres correction with aspheres, forbes approach, optimal location of aspheres, several aspheres 4 06.

Smith modern optical engineering, graw hill 2000 5. We quantify image quality metrics such as spot size, field of view, and light efficiency along with manufacturing cost metrics such as index contrast and anisotropy. He has a very limited number of degrees of freedom. It consisted of a single divergent planoconcave lens, which provided an enlarged, upright image.

A version was sold by zeiss as an astronomical eyepiece until the mid1950s. A wide field of view monocentric lens system for an infrared aerial reconnaissance camera includes front and rear lens shell elements and a core lens element, with the number of front and rear shell lens elements depending on the ir band of interest lwir, mwir or swir. Panoramic fullframe imaging with monocentric lenses and. Author links open overlay panel nan zheng a scott c. Each sensor is coupled with a lens that decreases focal distance, allowing fov to overlap between adjacent sensors. Most of them were afraid that the optical correction of such lenses would not be satisfactory for nighttime observations. For example in the monocentric lens design form, which uses spherical elements. Computational imaging widefov monocentric light field camera.

In lens design with large computers, proceedings of the conference, institute of optics, government superintendent, rochester, new york. Making and using a monocentric eyepiece from commercial. Traditional lens systems suffer from significant distortion and loss of resolution with increased fov, and also tend to increase in size and complexity. The optical design employed monocentric objective lens design combined with the unique arrangement of multiaperture array, which empowers the system of good tradeoff between imaging performances and structural complexity. Monocentric imaging system with wide field of view and. Design and scaling of monocentric multiscale imagers. Lenses in this section may overlap with lens designs in other sections, for example the wollaston landscape lens is a single element and also a camera lens design. In monocentric designs with the stop at the center of curvature and a monocentric image surface, the performance is the same for any field angle. This novel design of photographic objective underlay the monocentric eyepiece. In one aspect, an optical imaging system includes an optical imaging module that collects light to form an image on an imaging surface, one or more imaging sensors each including an array of optical detectors located away from the imaging surface to receive light. The mojocentrics are my favorite eyepieces by far fixed my signature to reflect my new mojo.

Kingslakejohnson lens design fundamentals, spie press, 2010. The eyepiece consists of a single triplet lens with all the curved lens surfaces having their centers of curvature at the same point. Lens design is, therefore, a strong component of a wellrounded education in optics, and a skill valued by industries employing optical engineers. In this work we describe a novel, compact optical design that couples a monocentric lens with multiple sensors using microlens arrays, allowing lf capture with an unprecedented fov. A scaling law for computational imaging using spherical optics. Request pdf on jan 30, 2019, xiangyue meng and others published the design of miniaturization and super wide angle monitor lens based on monocentric lens find, read and cite all the research. I would like to analyze this design for use in telescopes. Monocentric imaging system with wide field of view and high. Computer experiment and global optimization of layered monocentric lens systems. Visible spectrum 2gs mc lens b mtf design performance and prescription, c prototype photo and vnir 4ga mc lens d mtf design. Broadspectrum fibercoupled monocentric lens imaging. A monocentric lens based multiscale imaging system is disclosed. Design and fabrication of silicontessellated structures for. Huyghenian eyepieces have a restricted afov and there isnt a lot of eye relief.

Optimization free parameters lens curvature, width, position, type of glass some can be fixed, other vary with focal length, focus e. Another assymetric version had an even thicker crown and forward flint with a thinner double extradense flint eye lens. Oversampled triangulation of aware10 monocentric ball lens using an autostigmatic microscope. Practical conditions specify lens materials, safety considerations fix lens thickness, fashion dictates lens. Optimization of twoglass monocentric lenses for compact panoramic imagers. Tutorial of telecentric lens university of arizona. In this work we describe a novel, compact op tical design that couples a monocentric lens with multiple sensors using microlens arrays, allowing lf capture with. Special correction topics ii 20181211 herbert gross winter term 2019. Computer experiment and global optimization of layered. In this paper, we introduce the design and implementation of a segmented, hemispherical, cmoscompatible silicon image plane for a 10mm diameter spherical monocentric lens. Design and scaling of monocentric multiscale imagers eric j. Pdf a history of the photographic lens semantic scholar.

Malacaramalacara handbook of lens design, dekker 1994 3. The effect of add power on simultaneous vision, monocentric. Pdf monocentric lenses provide highresolution panoramic imaging onto a spherical image surface. All of these formulas can be reduced to their corresponding paraxial forms, and their spherical aberration exact formulas can be easily derived. Field, aperture, pupil, magnification, infinity cases, lens makers formula, etendue, vignetting. Monocentric multiscale mms lenses are a new approach to highresolution wideangle imaging, where. Structural modifications zero operands, lens splitting, lens addition, lens removal, material selection 3 30. Based on this analysis we identify and fully optimize a monocentric lens in combination with a todesigned grin image relay optic.