Optics manufacturer Navitar Inc. has won a legal battle against Chinese metrology machine makers over income tax evasion, smuggling crimes of evading import duties and value-added tax, along with false advertising, to combat the counterfeiting of their video microscope. “Instead of...Read full articleRelated content from Photonics MediaARTICLESLightning Awards 'Luminate' RochesterLuminate — the world’s largest optics, photonics and imaging (OPI) accelerator focused on advancing next-generation OPI-enabled companies — announced at their Luminate Lightning...Photonics Spectra January 2018 IssueLuminate NY Names Double Helix Top Winner of Competition's First RoundDouble Helix Optics was named the overall winner in the first round of the Luminate NY competition. 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Enabling Structured Illumination Microscopy in Thick Tissue with Adaptive Optics Peter Kner University of Georgia ...Photonics.com 10/23/2013PHOTONICS DICTIONARY TERMScleaning equipmentIn optics, degreasers or ultrasonic arrangements used for removing pitch, cement or polishing material from lenses during manufacture. It also may refer to manual cleaning devices used immediately...EDU.photonics.com 9/8/2009toric lensA lens having one or more toric surfaces. A toric surface is one having a maximum power in one meridian and a minimum power in a perpendicular meridian. In ophthalmic optics, toric lenses are used to...EDU.photonics.com 9/8/2009plastic opticsThe integration of plastic materials into optical applications. When the materials are refined into lenses, prisms and mirrors, they serve the purpose of glass optics at a lower cost and a...EDU.photonics.com 3/24/2016dioptricsThe branch of optics that deals with the study of the refraction of light, particularly by the transmitting medium of the eye, and by lenses.EDU.photonics.com 9/8/2009PHOTONICS HANDBOOK ARTICLESAspheric 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 HandbookPlastic Optics: Specifying Injection-Molded Polymer Optics: The versatility of polymer optics opens new doors for optical designers who understand the whys and hows of specifications.The use of precision polymer optics is becoming an increasing necessity today as products demand sophisticated light handling components to achieve desired results. Polymer optics can be thought of...Photonics HandbookThe Long and the Short of It: Techniques for Measuring Aspheres: The metrology method should match the nature of the part and the inspection constraints.The 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...Photonics HandbookAspheric Lenses: Optimizing the Design: This second of two articles discusses the tools optical designers need to tailor their designs to the appropriate manufacturing process, optimizing the cost of component fabrication.With 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...Photonics HandbookPHOTONICS BUYERS' GUIDE CATEGORIESVideo MicroscopesMicroscope LensesEyepiece LensesFreeform OpticsCOMPANIESNavitar Inc.Navitar, Inc. designs, develops, and manufactures innovative optical solutions for clients and enterprises across the globe. Solutions include complete optomechanical and optoelectronic assembly and...Photonics Buyers' Guide