Ir fresnel lens design software

You can search our products by conditions such as specifications, features, applications, production status. Lens series offer fresnel lens for murata pyroelectric infrared sensor. Design and fabrication of sihdpe hybrid fresnel lenses for infrared. Design a fresnel lens photopia optical design software. Data sheet pyro electric infrared sensor fresnel lens. The mlx90615 is a miniature infrared thermometer for noncontact temperature measurements. Dispersive optical systems for highlyconcentrated solar spectrum. A fresnel lens b is a collapsed version of a conventional lens a. Our main products include glass fresnel lens, infrared fresnel lens, pmma fresnel lens, laser lens, wide angle lens and so on. Urban security group 1080p 2mp 1080p hidden spy covert security camera. Results of initial fresnel lens tests 17 results of improved fresnel lens tests 19 attenuation testing results 20 remade original lens 20 initial fresnel lens 0. Design and fabrication of sihdpe hybrid fresnel lenses. 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.

Pir sensor passive infrared sensor motion detector. Refractive index of hdpe for different ir wavelengths. Fresnel lens was designed by means of zemax optical design software. 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. Please see our brochure on the poly ir materials for more spectral details. Meanwhile, the ir band in longer wavelength ranges 1. Design and fabrication of sihdpe hybrid fresnel lenses for. Pir sensor module pyroelectric sensor motion detector. Leutz, nonimaging fresnel lenses, springerverlag berlin heidelberg, nonimaging fresnel lens design, 2001, 7799. Feb 01, 2016 optical design of the fresnel lens for leddriven flashlight.

As an alternative, design considerations of fresnel lens and its effect on various efficiencies, reflectance, transmittance and associated losses are discussed. Fresnel lenses are used in conjunction with pyroelectric infrared sensors pirs, also known as passive infrared sensors. Fresnel lens arrays for pir applications produce a broad, tailored field of view through the accumulation of many repeated narrow fields of view. However, the main issue would be to match the refraction index to the lens angle, which may take a little experimentation. The zemax optical design software has been used to build a broadband lwir camera. Premium grade fresnel lens pocket wallet credit card size magnifier. Save the project by selecting file save as from the main menu, naming the project fresnel lens. 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. Since the 1990s, we have been engaged in the research and production of optical lenses. Currently, our fresnel technology for producing is 5 different methods, such as hotpress, injection, casting, rolltoroll, and hotembossing. Translucent plastics provide good optical characteristics for passing ir and can be formed to make a variety of fresnel lens arrangements. Fresnel lenspyroelectric infrared sensorssensorsproduct.

Although the image quality is generally poor, fresnel lenses can be desirable for use in condenser and lighting systems to collimate and collect. The groove side of the lens usually faces the pir sensor. Reflective fresnel wide angle mirror can be used for banks atm, bank window and other fields. The basic idea of the fresnel lens for the 2d cpv system is depicted in figure 1b. Fresnel lens pir,infrared fresnel lens, ir fresnel lens,pir,pir fresnel,pyroelectric infrared sensor. Define the lens create the parametric lens with the following steps. Rays from 6 point sources at 1 m arrive on the fresnel lens at around 0 onaxis, 10, 19, 26, and 36 degrees incident angles.

The design of an infrared transmitting fresnel lens involves many complex considerations. Thorlabs fresnel lenses offer light focusing and collimation without the bulk associated with traditional lenses. Secondary optics design considerations for superflux leds introduction secondary optics are those optics which exist outside of the led package, such as reflector cavities, fresnel lenses, and pillow lenses. Such lenses are often used as condensors in overhead projectors, spotlights and signal lamps. Lightemitting diode cover lens design for largescale liquid crystal device television backlight jinjia chen and kaihung cheng opt. The fundamental problem of the fresnel lenses is the beam divergence, which wasresolved by decreeing the output stain diameter on the image plane.

A double lens system, which consists of a spherical and an aspherical planoconvex fresnel lens, was designed using a sihdpe hybrid substrate. Design of metasurface ir lenses using comsol multiphysics. Design and fabrication of a midwavelength infrared. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction of the thickness. In this work, novel hybrid fresnel lenses for infrared ir optical applications were designed and fabricated. The advantages of a fresnel lens are that more light is transmitted due to lower absorption and dispersion. Optical materials lens design fresnel technologies. Each groove of fresnel lens focus bundle of parallel rays to focal point p ng, then the bundle of light has been distributed over receiver with uniform. The actual fresnel lenses they will purchase will not be made from this model, but it simulates the design well enough. The fresnel structures were replicated from an ultraprecision diamondturned aluminum mold to an extremely thin layer tens of microns of highdensity polyethylene polymer, which was directly bonded onto a flat singlecrystal silicon wafer by press molding without using adhesives. Beginner tutorial 4 designing a fresnel lens with the.

To bring pyroelement into the focus of fresnel lens, please push the sensor until the step inside the fresnel lens. On the backside of the curved plastic is an elaborate layout of fresnel lenses. Spie 6196, 61960n 2006 the analysis of light extraction efficiency of ganbased leds with a novel microcavity. Fresnel lenses are specialized optical components with grooved surfaces instead of traditional curved ones.

For a binary fresnel lens, the radius of each ring r p can be expressed as r p. Fresnel lens, ray tracing simulation tool 1introduction it is well known that refractive fresnel lenses 1,2 are much thinner and lighter than their refractive counterparts. The difference between doe and a fresnel lens is that. Sep 06, 2010 fresnel therefore designed a lens in which most of the inside glass is removed and the outside surface is collapsed, steplike, into the space that is left. The refractive index data was then entered into the zemax software for lens design and analysis. Sciopt develops and offers paraxiaplus software tools for laser system design on windows based computers. Potential applications for the imager include more. Potential applications for the imager include more affordable surveillance, particularly. Additionally, because the lens is so thin little light is lost by absorption. Pdf new concentrator multifocal fresnel lens for improved. Design of ir optical systems needs to account for key specifications impacting the complexity of construction and cost.

The fresnel lens can be used in a wide variety of applications. A205 secondary optics design considerations for superflux leds application rief 2015 lumileds holding all rights resered. Custom pmma acrylic fresnel lenses knight optical ir optics. Pdf fresnel lens sidewall design for imaging optics. Pir sensor module pyroelectric sensor motion detector must be with fresnel lens. Simulate light through the system and compute images and intensities at various locations in the design. With more uniform thickness a fresnel lens is typically easier to replicate by molding. The tce3pf is unique in the compact digital camera arena, it is the first to be based around a phase fresnel fraynell lens which has a series of concentric circles engraved onto it similar to canons do slr lens.

As a result, lower cost plastic is most common because facets and fresnel type lenses can be scribed, etched, or imprinted into the ir passing plastic membrane figure 1. Customizable fresnel lens 3d cad model library grabcad. Please design housing and set of sensor and lens to prevent from dislocation and coming off. Infrared optics polymer optics limited is a leading suppliers of passive infrared pir lenses and pir lens design services to the security and lighting control industries. The responsibility of the fresnel lens is twofold, to condense light providing a larger range of ir to the sensor and dividing the detection area into much broader more intricate zones than two large simple rectangular zones seen by the sensors windows. It has been called the invention that saved a million ships. Optical design using fresnel lenses basic principles and some practical examples the fresnel lens can be used in a wide variety of applications. Design of metasurface ir lenses using comsol multiphysics background combine fresnel lens theory w new generalized form of snells law to refract light incident upon a planar interface that mimics the phase gradient of a bulk lens normal incidence light couples to anomalous refraction mode, creating a broadside. Poly ir is our registered trademark for our line of infraredtransmitting polymers.

Each step thereby acts as a refractive surface, much like a prism. To overcome disadvantages of conventional fresnel lens we propose a novel technique to design fresnel lens. These simulations are used to ensure that an acceptable signal is available from all the fresnel facets, to guide the products electronic design. 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. Converts zemax optical designs to povray and shows photorealistic renderings of optical designs. For these reasons fresnel lenses are being considered for improved laser scanning. Osa design and fabrication of sihdpe hybrid fresnel lenses. Unusual intermediate silicon ir fresnel lens is compact, useful for inexpensive thermal ir imaging. As straightforward as it sounds, this specification refers to the angle and distance at which your cameras pir can actively recognize motion and heatir radiation to record a trigger. A fresnel lens is usually thin and flexible and is about 0. Infrared ir fresnel lenses used as collecting optics for infrared detectors with minimal absorption loss in the infrared are available at edmund optics. Lens design software free download lens design top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices.

Handles generic surfaces cone, sphere, cylinder, userdefined including fresnel or microstructured material. Also, this method can be used to design concentrated photovoltaic cpv system without secondary optics lens soe. So for now, i just hard coded what you had provided, but eventually understanding that would be helpful in refining the design of the fresnel lens. Our inhouse developed raytrace software can accurately predict the. Infrared pir fresnel lenses willow technologies limited. The grooved side of a fresnel lens should face the longer conjugate away from the detector when used to collect radiation. Positive focal length fresnel lens used as a collimator. Buy 3d polarizer film and fresnel lens from leading supplier and manufacturer at lowest price. Fresnel lenses pmma acrylic precision range optics. Design considerations when using passive infrared sensors. Please design the housing that the sensor does not receive infrared ray through the area shown as diagram in figure a. Hybrid optics infrared lens press molding fresnel night imaging.

Im working with a client on a concentrated solar project in which we need to test using a software called rayviz the focal shifting of sunlight to a. We offer design assistance, diamond machining, prototyping, tooling, and production. In a finiteconjugate system, the grooved side of the fresnel lens should face the longer conjugate figures 3 4 because this produces the best performance. Thin silicon fresnel lens enables inexpensive thermal. These are classified as a product for lead type sensor and smd type sensor. Can a 3d printing machine fabricate a fresnel lens. Fresnel lens design completes the detection zones andor detection areas. This new teleconverter is 33% smaller and 33% lighter than the older tc. Polymer optics ltd is a leading supplier of passive infrared pir. If the smooth side needs to face the longer conjugate for some nonoptical reason, the maximum aperture of the lens should be f1. Erismann, design of a plastic aspheric fresnel lens with a spherical shape. Designing the optimal fresnel lenses by using zemax software. It focuses light with a thin opaque foil sheet punched with specially shaped holes, thus focusing light on a certain point by using the phenomenon of diffraction. Design and simulations to design a binary fresnel lens, we can consider the whole fresnel lens structure in two parts.

A fresnel lens can easily collimate a point source by placing it one focal length away from the source. As shown in the figure below, this has the refracting effect of the lens without its thickness or weight. The cloud based system uses big data technology to store thousands of designs and optimize their performance for your requirements. Thin silicon fresnel lens enables inexpensive thermal ir imaging. Secondary optics design considerations for superflux leds. One is the radius of each annular step and the other is the depth of the steps 14. The end result is a lens that is almost flat, with a smooth centre area surrounded by a series of triangular steps that become progressively steeper towards the edges. Optical design of the fresnel lens for leddriven flashlight. Nikon today announced a new three times teleconverter lens for the coolpix 8400. With paraxiaplus you can study laser resonator caracteristics or laser beam interactions with components outside the. The design allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design. Optical design software for optical systems comprised of light sources, lenses, apertures, prisms, imagers, photometers, etc. This tutorial assumes you know how to setup and run a photopia analysis inside of solidworks. While our lenses are mostly used for security and lighting applications they have numerous other area sensing applications for products such as fan control, door activation, temperature measurement and.

This is illustrated in figure1, which shows a crosssectional view of a planoconvex spherical lens 1a and a fresnel lens 1b, whose focal length is the same. Solidworks visualization is a relatively new tool for me, but it appears to be easier to control things than what i can do on rendering within solidworks, at least the control mechanisms and tools seem more user friendly. Fresnel lens arrays for passive infrared pir applications are useful in a wide range of devices, such as automatic lighting switches, occupancy sensors, and motion sensor alarms. Usually doe is implemented in the form of circled zones on the surface of optical substrate like in fresnel lenses.

Lens design software free download lens design top 4 download. Optical design software for simulating systems of lenses, prisms, etc. Thin silicon fresnel lens enables inexpensive thermalir imaging. For this purpose,two types of radial and cylindrical fresnel lenses are simulated with different groovesusing global and hammer optimization methods.

Openraytrace is an optical lens design software that performs ray tracing. Please choose the suitable lens for target detective area. The most important requirements are described below. 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. This is because reflectors gather all of the light, which is emitted as ab205 secondary optics design considerations for superflux leds application brief 20150330 2015 lumileds holding b. Pdf conception of a cheap infrared camera using a fresnel lens. Lens and focusing devices for pyroelectric infrared sensors. Infrared pir fresnel lenses pyroelectric infraredwillow offer a wide array of infrared fresnel ir lenses moulded in consistently thin flexible opaque plastic with the advantage of least absorption loss. Both the ir sensitive thermopile detector chip and the signal conditioning asic are integrated in the.

Infrared pir fresnel lenses pyroelectric infrared willow offer a wide array of infrared fresnel ir lenses moulded in consistently thin flexible opaque plastic with the advantage of least absorption loss. Unusual intermediate silicon ir fresnel lens is compact. Near infrared, also called nir near infrared, has various applications. Zoom out by right clicking your mouse and selecting zooming zoom out or just click on the zoom out button on the toolbar. Light collimation of a point source with a fresnel lens. Software for design and analysis of illumination and. Making it all work 2nd edition complete document this is especially true of the polyethylene used in far ir fresnel lenses, as used in automatic porch lights. A fresnel lens both captures more ir radiation and focuses it to a small point. In this paper, we propose a novel technique to design flat fresnel lens to achieve big concentration ratio, high uniform irradiance distribution while keeping fnumber small using both refraction and total internal reflection tir phenomena. A fresnel imager is a proposed ultralightweight design for a space telescope that uses a fresnel array as primary optics instead of a typical lens.

Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Design considerations when using passive infrared sensors for. Owing to their unique design, fresnel lenses are thin and lightweight, typically have short focal lengths, and are more efficient than conventional optical lenses. In this paper, the optimal fresnel lenses are designed by zemax software.

In this tutorial you will design a narrow beam fresnel lens using the parametric optical design tools podt and the cree cxb18303000k cob led. Software for design and analysis of illumination and optical. Fresnel factory specializes in manufacturing pir series fresnel lens. Pir sensors work best detecting right angle movements detection angle and distance.