Request InfoEdmund Optics Inc.Optimized for use in collimated light with small fields of view, Edmund Optics’ TechSpec spherical aberration-compensation plates feature a precision BK7 substrate. The plates are designed to compensate and correct known amounts of spherical aberration. They can be combined to induce the desired amount of compensatory spherical aberration in a given system. Negative sign plates create overcorrected spherical aberration, while positive plates result in undercorrected spherical aberration. The devices are available in 12.5-, 25- and 50-mm diameters in both positive and negative sign...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2022 IssueNonpolarizing Cube BeamsplittersThe TECHSPEC® Nonpolarizing Cube Beamsplitters from Edmund Optics Inc. have a 50/50 reflection/transmission ratio and are constructed from high-tolerance N-BK7 right angle prisms. Three...Photonics Spectra November 2022 IssueLaser Line MirrorsTECHSPEC® Dual Band Laser Line Mirrors from Edmund Optics Inc. offer 99% reflectivity at both IR and visible wavelengths. Options are available for 532-nm or 635- to 670-nm guide beams....Photonics Spectra February 2023 IssueMounted Color FiltersMounted Machine Vision Filters from Edmund Optics Inc. are color filters optimized for use with popular LEDs with ≥85% transmission and blocking capabilities. The hard-coated filters are...Photonics.com 8/31/2022Antireflection Laser WindowsTECHSPEC® Dual-Band Antireflection (AR) Laser Windows from Edmund Optics Inc. feature <0.25% reflection at 532 nm and <0.1% reflection at 1064 nm for high laser throughput. ...ARTICLESPhotonics Spectra September 2023 IssueActive-passive GaN Scheme Shows Promise for Photonic IntegrationResearchers from Nanjing University have proposed an active-passive photonic integration scheme that showcases a photonic integrated circuit chip that combines a light source, modulator, photodiode,...BioPhotonics.com April 2024 IssueMicroprism-Mediated Calcium Imaging Reveals Neural Dynamics Over TimeAn approach to deep brain imaging developed at the University of Washington uses microprisms to provide stable tracking of neuronal activity over a large field of view. According to the research...Photonics Spectra December 2023 IssueCoherent, Faraday 1867 Partner on Fusion-TechCoherent Corp. and Faraday 1867 Holdings LLC, which is based in Kangawa, Japan, have established a partnership to scale up manufacturing of high-temperature superconducting (HTS) tape to enable mass...Photonics.com 3/31/2023Reusable Substrate Enhances Raman Signal by Factor of 50Materials scientists at Kiel University have developed a photoinduced enhanced Raman spectroscopy (PIERS) method to detect analytes at concentrations one to three orders of magnitude lower than that...PHOTONICS HANDBOOK ARTICLESPhotonics 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 HandbookDigital Still Cameras: The Changing Face of ImagingThe digital camera represents an integration of optics, mechanics and electronics consisting of three layers (Figures 1a, b and c). The top and the middle layers are printed circuit boards (PCBs),...Photonics HandbookCamera Resolution: Combining Detector and Optics PerformanceCamera resolution depends upon the optical blur diameter and the detector size. Schade combined these to create an equivalent resolution that is a function of Fλ/d where F is the focal ratio,...Photonics HandbookAspheric Lenses: Optimizing the DesignWith the understanding of aspheric lens manufacturing provided in part one of this article, designers have the tools to optimize their aspheres; the next step is to understand how to specify and...WHITEPAPERSPhotonics.com 11/6/2023Calibration Makes The DifferenceAs a leading manufacturer of light measurement technology, measurement quality has top priority at Instrument Systems. To this end, we operate an DAkkS accredited testing laboratory. There are hardly...Photonics.com 7/12/2023Telops New HD and Super HD Infrared CamerasHIGH-DEFINITION THERMAL INFRARED CAMERAS WITH UP TO 3 MEGAPIXELS. The HD and Super HD Series are high-performance thermal infrared cameras designed to provide unprecedented image quality with crisp...Photonics.com 9/29/2023Accuracy in Optical DesignAnswering some common questions new users of optical design and analysis software have are “How accurate are the results?” or “Can I trust the results I get?” and discussing the importance of...Photonics.com 9/19/2022Advantages of VPH GratingsThe term 'diffraction grating' often brings to mind a surface relief grating, with ruled lines and a delicate surface. A transmission grating, however, opens up many new options for the optical...WEBINARSPhotonics.com 1/22/2021Automation in Microscopy Captures the Whole SampleKevin McCarthy explores recent advancements in motion control technology that improve the image quality, throughput, size, and cost of digital imaging systems. At the heart of many life science and...Photonics.com 4/25/2013Enabling Technology for Highly Aspheric or Free-Form Optics ManufacturingFree Webinar Additional Questions & Answers from the Webinar (below) Dr. Dae Wook Kim Assistant Research Professor College of Optical Sciences University of Arizona ...Photonics.com 6/11/2015Biophotonic Imaging for Medicine: A Digital ConferenceResearchers from around the world presented their latest work at “Biophotonic Imaging for Medicine: A Digital Conference.” Presentations focused on a range of light-based imaging and...Photonics.com 11/12/2020Optical and Electrical Microsystems for Advanced Biomedical Imaging and DiagnosisMedical diagnosis heavily depends on innovative methods for biomedical imaging. New system concepts that combine miniaturized optical MEMS components, such as scanning mirrors and spatial light...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryoptical manufacturing tools and machineryOptical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the fabrication, shaping, finishing, and testing of optical components and systems....Photonics DictionarynanotubeA nanotube, also known as a nanotubule or simply a tube-like structure, is a nanoscale cylindrical structure composed of various materials, including carbon, boron nitride, or other compounds....Photonics Dictionarynanoimprint lithographyNanoimprint lithography (NIL) is a nanolithography technique used for fabricating nanoscale patterns on a substrate. It is a high-resolution, high-throughput process that involves the mechanical...Photonics Dictionarymask1. A framelike structure that serves to restrict the viewing area of the screen when placed before a television picture tube. 2. In photolithography, a photomask (or mask) is typically a patterned...VIDEOSPhotonics.com 10/9/2020Product Demo: Display Testing in AR and VR HeadsetsEvaluating the visual quality of displays as viewed through augmented and virtual reality headsets requires testing from the vantage point of the user. Radiant Vision Systems provides a comprehensive...Photonics.com 4/19/2022Fluorescence Filter Set FITC DAPI - Optolong Optics Co. Ltd.Fluorescence filters like FISH products, single-band filters DAPI, FITC, TRITC, Texas Red, GFP, CFP, Cy5 are the other direction of Optolong. Filters we produce are with the dark background and bight...Photonics.com 4/19/2022Fluorescence Filter Images - Optolong Optics Co. Ltd.Optolong Optics Co. Ltd., brand owner of Optolong, is a manufacturer of fluorescence filters and astronomy filters. We also offer other interference filters including UV filters, visible filters, and...Photonics.com 4/19/2022Optolong Fluorescence Filter Set Comparation FITC/DAPI/TexasRed - Optolong Optics Co. Ltd.Fluorescent filter is a key component of biomedical and life science instruments, and its main function is to separate and select the characteristic band spectra of excitation light and emission...PHOTONICS BUYERS' GUIDE CATEGORIESSolderable CoatingsImage Tube FaceplatesFiber Optic FaceplatesA fiber optic faceplate is a plate made up of thousands of glass fibers arranged parallel to one another, i.e., in a coherent bundle, and fused together so that it is hermetically tight. It transfers...Diffractive LensesDiffractive lenses are any optical device that utilizes diffraction in an image-forming capability. Familiar diffractive lenses are zone plates, holographic lenses, kinoform lenses and binary optics.COMPANIESPhotonics 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' GuideOhara CorporationOHARA manufactures more than 130 environmentally safe optical glass types, free of both lead and arsenic. More than 300 tons of optical glass are melted per month, available in the following forms of...Photonics Buyers' GuideMLD Technologies LLCExperts In Thin-film Coating Design We practice a design-before-quote approach to help customers refine specifications and minimize technical risk. We understand how coated optical elements...Photonics Buyers' GuideCASTECH INC.CASTECH is a recognized leading supplier of nonlinear optical crystals, laser crystals and precision optical components for laser, telecom, medical, analysis and detector markets. Products...