Request InfoWestech Optical CorporationA line of glass and plastic hybrid lens assemblies for charge-coupled device board cameras has been introduced by Westech Optical Corp. The lenses are designed for 1/3-in. format and range in focal length from 2.5-mm f/2.0 to 25-mm f/2.5. They are suitable for machine vision, optical character recognition, document scanning and other inspection applications.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra January 2024 IssueF-Theta Objective LensThe JENar™ Silverline™ 340-355-332-S from Jenoptik is an F-Theta objective lens for laser material processing that is specially designed to meet the requirements of solar cell production....BioPhotonics Jan/Feb 2023 IssueZinc Selenide OpticsHigh-quality zinc selenide (ZnSe) lenses, output couplers, and mirrors from Laser Research Optics are optimized at 1.06 μm for medical laser OEMs. The devices are manufactured to...Photonics Spectra November 2023 IssueLEDiL Optics KitThe New Energy LEDiL Optics Kit (NELOK) from NewEnergy consists of a single LED mounted on a printed circuit board and attached to a heatsink along with 15 lenses, three each from five lens families....Promoted Content December 2022 IssueNew Ultra-Wide No Distortion Lens!The MY23F 2.3-mm fixed focal length lens is the newest to utilize Theia’s patented Linear Optical Technology® and is available for 1/1.8-in. sensors. When used on a camera with a 1/1.8-in....ARTICLESPhotonics Spectra January 2024 IssueEnhanced LCD Resolution Enables More Comfortable, Immersive VRResearchers from Innolux Corp. have developed a 3.1-in. light-field liquid crystal display (LCD) featuring an ultrahigh pixel density to overcome limitations in near-eye display, such as light-field...Photonics.com 12/12/2022In Memoriam: Editorial Board Member Bruce Walker Dies at 86Longtime editorial board member Bruce Walker, whose frequent contributions to Optical Spectra and later Photonics Spectra spanned more than five decades, died last month at the age of 86. ...Photonics Spectra September 2023 IssueHow to Preserve Your Laser Optics Against UV DegradationUltraviolet laser optics tend to have limited lifetimes, due primarily to two processes: laser-induced contamination (LIC) and UV fatigue. LIC is caused by the deposition of unwanted material on the...Photonics.com 6/28/2023Optica MRS, SPIE Name 2023-24 Congressional Fellows: People in the News: 06/28/23Optica, the Materials Research Society (MRS), and SPIE have named the 2023-2024 Congressional Science and Engineering Fellows. Claire Cody will serve as the Arthur H. Guenther Congressional Fellow,...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookGaussian and Newtonian Thin Lens FormulasEquation (1) is known as the Gaussian form of the lens equation, after the mathematician Karl F. Gauss. Equation (2), first derived by Sir Isaac Newton, is the Newtonian form of a lens equation. The...Photonics HandbookNano-Optics Technology: Optical AlchemyOptics today needs alchemy, and the forces that motivate microchip technology are a key reason why. Today, light can transmit and process digital information as well as electricity can — in...Photonics HandbookAspheric Lenses: Design ConsiderationsAspheric surfaces are powerful tools that combine the optical corrections of multiple lenses into a single element (Figure 1) and affect performance in ways that spherical optics cannot. For example,...Photonics HandbookMeasuring Aspheres: Selecting the Best TechniqueThe benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres...WHITEPAPERSPhotonics.com 12/2/2022Plano Optics - Complex Components and AssembliesWe offer custom prisms, polygons, windows, mirrors, and wedges from one source. FISBA not only has the complete production chain in-house, we can also develop entire systems built-to-spec or support...Photonics.com 12/2/2022Micro Lenses for Imaging Systems - Submillimeter Components and Complex Compound ElementsWe combine all resources for your successful micro imaging needs under one roof. We are specialists in ready-to-install, small and high-precision individual lenses and cemented elements. Our...Photonics.com 2/14/2023Visualizing Light Guide Performance Using Photorealistic RenderingDiscover the power of light guides with our free whitepaper! Learn about total internal reflection, surface features, and performance parameters with ease. Elevate your expertise and stay ahead in...Photonics.com 8/1/2023Deposition Sciences Inc. Notch FiltersWe are pros at designing, developing, and manufacturing notch filters!WEBINARSPhotonics.com 7/20/2023Motorized and Calibrated Lenses for Machine Vision ApplicationsMany applications have benefited from motorized varifocal lenses that allow automatic or remote adjustment of focus distance and field of view. Applications may need to change the focal length or...Photonics.com 11/16/2022Ray Optics SimulationsLearn about optical ray tracing using the COMSOL Multiphysics® software and watch a live demo of the software. The demo shows how to create a fully parameterized geometry of a typical lens...Photonics.com 7/21/2021Shrinking Pixels and Growing Sensors: Two Approaches for Increasing ResolutionThe drive for continuous innovation in machine vision results in a constantly increasing demand for higher resolution. Sensor manufacturers can take two main approaches to meeting this demand: They...Photonics.com 3/17/2022Emerging Technologies Changing Ophthalmology Access and Point of CareRising cases of ocular disorders are expected to boost the growth of the global ophthalmology diagnostics and surgical devices market. Supporting this growing demand will be new innovations that help...PHOTONICS DICTIONARY+ TERMSPhotonics DictionaryGeometrical opticsThe area of optics in which the propagation of light is described by geometrical lines (or rays) governed by Fermat's Principle. Geometrical optics is useful as long as the objects in which the light...Photonics Dictionarydiffractive lensAny optical device that utilizes diffraction in an image-forming capability. Familiar diffractive lenses are zone plates, holographic lenses, kinoform lenses and binary optics.Photonics Dictionaryaspheric lensAn aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical lenses, which have a constant curvature across their surfaces, aspheric lenses...Photonics DictionaryGaussian beam opticsThe area of optics that deals with the propagation of Gaussian laser beams in free space, or any general medium - i.e. lenses- under the paraxial (small divergence angle) approximations. Gaussian...VIDEOSPhotonics.com 8/13/2018LaCroix Precision OpticsTake a walk through our shop with LaCroix Precision Optics.Photonics.com 3/4/2024Designing for Manufacturability with Fluorides and Other High Expansion Materials - LaCroix Precision OpticsAs the demand for fluorides and other high expansion materials increases, it is important to understand the risks/challenges involved with these materials and how they affect various factors such as...Photonics.com 5/27/2022Rainbow Research Optics LLC Introduction VideoRainbow Research Optics LLC Introduction VideoPhotonics.com 8/23/2023Optical Design from AvantierOur optical design team employs DFM principles to ensure optimal performance, cost-efficiency, and timely production of our solutions. Our state-of-the-art metrology ensures thorough testing of each...PHOTONICS BUYERS' GUIDE CATEGORIESSapphire LensesBinocular MagnifiersA binocular magnifier is a device having a pair of decentered lenses, one for each eye, that focuses on a single object as a magnifier. The simplest binocular magnifier is formed by cutting pieces...Submillimeter OpticsLenses Corrected for Underwater UseCOMPANIESPhotonics Buyers' GuideWestech Optical CorporationWe are the best source for industrial and commercial optics needs, offering quality products at prices that will always beat those of catalog competitors. Our knowledgeable team of engineers,...Photonics Buyers' GuideFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have guided LaCroix Precision Optics to become the premier precision optics...Photonics Buyers' GuideShanghai Optics Inc.ISO 9001 & ISO 13485 certified and D&B DUNS # 113515303 Shanghai Optics is an unparalleled custom system solution provider offering advance precision custom optical design, engineering,...