Request InfoOptical Surfaces Ltd.Beam collimators for modulation transfer function (MTF) optical testing have been announced by Optical Surfaces Ltd. MTF is a trusted technique for objectively evaluating the image-forming capability of optical systems. Reflective beam collimators are mirror assemblies that take divergent or convergent incoming light rays and produce parallel light output. They can be used to replicate a target at infinity without parallax. As a consequence, reflective beam collimators are the device of choice for performing polychromatic MTF measurements over extended wavelength ranges. The high...See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 1/20/2021Beam CollimatorsThe LW series of high-performance beam collimators from Optical Surfaces Ltd. is designed for Modulation Transfer Function (MTF) testing of optical systems. Benefiting from a lightweight design...Photonics.com 2/10/2020Off-Axis Parabolic MirrorsOff-Axis Parabolic (OAP) Mirrors from Optical Surfaces Ltd. combine the achromatic and diffraction-limited imaging properties of a parabolic mirror with the ability to deviate the light path off-axis...Photonics Spectra October 2019 IssueHyperbolic MirrorsHyperbolic mirrors from Optical Surfaces Ltd. are designed for deep space observation telescopes and earth observation satellites. Hyperbolic mirrors are used in a telescope design to correct...Photonics.com 4/29/2020Optical MountsOptical Surfaces Ltd.’s high-precision OS Mounts support off-axis paraboloids, spheres, and optical flats up to 600 mm in diameter. The devices provide a secure and stable platform for...ARTICLESEuroPhotonics Summer 2019 IssueComputational Methods Enable Solid-State Lighting to Self-adjustResearchers from the Catalonia Institute for Energy Research (IREC) and Ledmotive Technologies have developed a two-step approach to precisely and efficiently generate spectral power distributions...Photonics.com 1/28/2020Portable Biosensor Uses Light at Nanoscale to Detect Sepsis in MinutesTime is critical when diagnosing sepsis, but the tests currently used to identify this disease can take up to 72 hours. Researchers at the Laboratory of Bionanophotonic Systems (BIOS) at École...Photonics.com 7/30/2020Robust Laser Technology Will Enable Satellite to Measure Greenhouse GasThe MERLIN satellite, a collaboration between DLR RfM in Germany and CNES in France, will use a radar-like laser system to measure the methane concentration in Earth’s atmosphere. The...Photonics Spectra July 2019 IssueStartup Accelerates Object Labeling of Image and Video Files for Machine LearningThe startup understand.ai improves labeling, also called annotation, of single-image elements such as a tree, a pedestrian, or a road sign to accelerate machine learning for autonomous vehicles....PHOTONICS HANDBOOK ARTICLESPhotonics HandbookFluorescence Lifetime Imaging: Choosing the Best Approach: Fluorescence lifetime imaging microscopy (FLIM), which measures the spatial distribution of the fluorescence decay, can be achieved either in the time or in the frequency domain. Each approach exhibits advantages and disadvantages, depending on the type of light detector and acquisition method employed.The term fluorescence is often applied as a synonym for photoluminescence, although luminescence actually covers fluorescence and phosphorescence. Both of these terms describe the process of...Photonics HandbookAcousto-Optic Devices: Charts showing the characteristics of acousto-optic scanning devices, acousto-optic figures of merit, and solutions for common problems with acousto-optic processor devices.ACOUSTO-OPTIC SCANNING DEVICES: CHARACTERISTICS MODULATORS Material Bandwidth (MHz) Rise Time (ns) Acousto Input Power (W) (Saturation) Material Wavelength Range...Photonics HandbookAspheric Lenses: Design Considerations: This first of two articles will cover design and manufacturing options for aspheres; the second will include more detail on manufacturing and testing processes. These articles will provide the tools optics designers need to tailor their designs to the appropriate manufacturing process and to optimize the cost of component fabrication.Aspheric 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 HandbookCamera Resolution: Combining Detector and Optics Performance: Most image-quality discussions center on resolution, which is thought to uniquely determine system performance. Resolution, however, is a more complex concept.Camera 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,...WHITEPAPERSPhotonics.com 9/17/2019Cassegrain Telescope with Fold MirrorThe following document will cover the analysis of a Cassegrain Telescope system. The polarization properties of the system will be measured with the Polaris-M software and the effects on imaging will...Photonics.com 6/19/2020UV Bandpass Filters for SterilizationUV light at 222 nm is capable of sterilization without harming human skin, making it a safe and effective technology to combat bacteria and viruses, including COVID-19. Optical filters can be...Photonics.com 6/11/2019The Fast Lane to Embedded VisionSensor Modules are small imaging solutions used to easily integrate customized vision technologies into machines and devices that allow them to see. Developers of robots, drones, IoT, consumer...Photonics.com 8/5/2019Making Innovation Faster: 7 Lessons from Luminate on Building Effective Accelerators for Optics EntrepreneursAll entrepreneurs face obstacles moving a product from lab to launch. Companies developing optics, photonics, and imaging (OPI) technologies face additional challenges often not addressed by...WEBINARSPhotonics.com 11/13/2013The Past, Present and Future of Freeform OpticsFree Webinar Post Webinar Notes We will be posting additional questions and answers from the webinar soon. The presentation slides will not be available for download but we will have a list...Photonics.com 6/9/2016Photonics for OphthalmologyPhotonics Media invites you to join us for our upcoming FREE digital conference, "Photonics for Ophthalmology." The event will feature several 15-minute online presentations on the use of light-based...Photonics.com 8/28/2019High-End Asphere Design for ManufacturabilityIn this webinar, Edmund Optics’ asphere experts will discuss the benefits of using aspheres in optical system design and the factors to take into account during the design process. You will...Photonics.com 1/22/2020Advancements in Precision Motion Control for Electro-Optical Manufacturing and Laser Materials ProcessingWith a focus on high-throughput/high-yield positioning and microrobotic solutions for leading-edge manufacturing, Scott Jordan and Matt Price from Physik Instrumente (PI) will present the latest...PHOTONICS DICTIONARY+ TERMSEDU.photonics.com 9/8/2009sol-gelA gelatinous fluid that can be used as a porous thin-film coating for optical components, including laser beam collimators, or as a protective coating for glass and crystalline materials.EDU.photonics.com 9/8/2009scatterometerAn instrument used to determine the absolute or relative scatter levels of optical surfaces.EDU.photonics.com 3/5/2018laser guide starAn artificial star used to aid in adaptive optics imaging of the sky. The guide star is provided from a telescope system on the ground and is directed into the imaged region. The wavefront...EDU.photonics.com 9/8/2009centrationIn a perfectly centered lens, the mechanical axis (defined by the ground outside the diameter of the lens) is made to be exactly coincident with the optical axis (defined by a line through the...VIDEOSPhotonics.com 6/19/2018Tech Transfer Programs Bridge Gap Between Industry and ResearchTechnology Transfer Programs are often a concerted effort to share skills, knowledge, technologies, methods of manufacturing, samples of manufacturing, and facilities among governments or...Photonics.com 7/5/2018Capasso Group Revolutionizes Flat LensesResearchers at the Harvard John A. Paulson School of Engineering and Applied Sciences have developed a single flat lens that can focus the entire visible spectrum of light in the same spot and in...Photonics.com 2/21/2018Photonics on the Showroom Floor and in the Lab - LIGHT MATTERS 02.2018On this month's episode of Light Matters, we take you on a brief tour of the Higgins Laboratories at Worcester Polytechnic Institute (WPI). Quinsigamond Community College and WPI received a $4M grant...Photonics.com 7/30/2018PIC Fundamentals, Design at Heart of AIM Photonics Summer AcademyStudents from large and small size companies and bigger Department of Defense affiliates of the AIM Photonics Institute took part in the recent AIM Photonics Summer Academy at MIT. This was the third...PHOTONICS BUYERS' GUIDE CATEGORIESFreeform OpticsAngular and Linear Measuring InterferometersLarge-Format LensesInformation Display SystemsCOMPANIESPhotonics Buyers' GuideA.R.W. Optical CorporationARW Optical is your reliable manufacturer of quality optics and coatings. Beamsplitters • Prototyping through volume-production quantities • High-performance and durable optical...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' GuideOhara Corporation, Western OfficeOhara manufactures precision optical glasses: strip/slab, cut/molded blanks, pressings, high homogeneity blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic...Photonics Buyers' GuideLaCroix Precision OpticsOptics that Defend, Build, Cure and Discover The LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have placed LaCroix Precision Optics...