Chart showing Transmission Ranges for Optical Materials.Read full articleRelated content from Photonics MediaArticlesLens Made with Hybrid Glass Enables Responsive Micro-Optical DevicesA mm-sized optical lens made from a hybrid glass material demonstrated the ability to change its refractive behavior in the presence of gas. Developed by researchers at the University of Jena, the...Photonics.com 7/8/2024Multimodal Solution Points to Broader Adoption of MetamaterialsMetamaterials, artificial nanostructures that manipulate light, are costly and technologically challenging to fabricate. The broad, practical use of metamaterials depends on lowering their...Photonics Spectra January 2024 IssueAmplitude-Only Modulator Targets Photonic Device EfficiencyA thin-film, amplitude-only spatial light modulator made from phase-change-based material was developed by researchers at the University of Exeter and the Institute of Optics in Madrid. 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Aluminum 23.8 0.10 Brass (cast) 18.8 0.30 Carbon (diamond) 1.2 0.25 Carbon (graphite) 7.9 - Copper 16.2 0.32...Photonics HandbookOptical Materials: Double-Sided Lapping and PolishingDouble-sided processing is a batch-type process that uses planetary action — generally with loose, abrasive particles suspended in a liquid vehicle — to abrade material almost equally...Photonics HandbookCommon Infrared Optical Materials and Coatings: A Guide to Properties, Performance, and ApplicationsThe optical materials selected for an optical system depend upon the application, the required system performance and the environment in which the system is to perform; thus the materials’...Photonics HandbookDensity to Percent Transmission Conversion TableDensity – % Transmission (Opacity x % Transmission = 100) Density Opacity %T 0 1.0 100 0.1 1.3 80 0.2 1.6 63 0.3 2.0 50 0.4 2.5 40 0.5 3.2 32 0.6 4.0 25 0.7 5.0 20 0.8 6.3 16 0.9 8.0 13...Photonics HandbookWhite PapersPG&O Provides Highly Precise, Large Polished OpticsA global leader in optical manufacturing, precision thin-film coatings, and complete optical solutions, offers precision optics on large polished substrates up to 30” in diameter. 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