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 Initiative Welcomes Bio-Heavy Cohort IINew York state’s Luminate NY accelerator held its Lightning Awards at the Dryden Theatre at the George Eastman House in Rochester, going from 21 chosen competing companies to 10 finalists. ...Photonics Spectra January 2019 IssueNeutron Interferometer Uses Silicon Lenses to Probe MaterialsScientists have demonstrated that a three phase-grating moiré neutron interferometer in a neutron beam could be a robust candidate for large area interferometry applications and for the...Photonics Spectra August 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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The lenses feature a durable metal body and come...Photonics Spectra December 2017 IssuePrecision Optical ManufacturerOperating since 2001, BMV Optical Technologies is a manufacturer of very high precision optical components, systems and thin-film coatings. Manufacturing from prototype to volume quantities, our...Promoted Content April 2017 IssueMEDIAPIC 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.com 7/30/2018Binding Light in Optics and Photonics - LIGHT MATTERS 11.2017Tune into this month's edition of Light Matters for 'Part 1' of an exclusive interview with SPIE CEO, Eugene Arthurs, as he speaks about his upcoming retirement. 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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 TERMSadapter1. In optics, the housing, usually cylindrical, that contains the lenses and iris diaphragm of a camera. 2. In fiber optics, a device for coupling two connectors.EDU.photonics.com 9/8/2009dioptricsThe 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 9/8/2009toric 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 9/8/2009metamaterialA material engineered from artificial matter not found in nature. The artificial makeup and design of metamaterials give them intrinsic properties not common to conventional materials that are...EDU.photonics.com 2/15/2013PHOTONICS 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 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 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 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 LensesCylindrical LensesCyclindrical lenses are lenses having at least one surface that is formed like a portion of a cylinder. Cylindrical lenses are used to correct astigmatism in the eye, and, in rangefinders, to produce...Fresnel LensesFresnel lenses are lenses resembling a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and...COMPANIESNavitar 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