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  2. Optical manufacturing and testing - Wikipedia

    en.wikipedia.org/wiki/Optical_manufacturing_and...

    Optical manufacturing and testing is the process of manufacturing and testing optical components. It spans a wide range of manufacturing procedures and optical test configurations. The manufacture of a conventional spherical lens typically begins with the generation of the optic's rough shape by grinding a glass blank. [1]

  3. Optical lens design - Wikipedia

    en.wikipedia.org/wiki/Optical_lens_design

    Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Parameters include surface profile types (spherical, aspheric, holographic, diffractive, etc.), as well as radius of curvature, distance to the next surface, material type and optionally tilt and decenter.

  4. Thorlabs - Wikipedia

    en.wikipedia.org/wiki/Thorlabs

    Thorlabs, Inc. is an American privately held optical equipment company headquartered in Newton, New Jersey. [2] The company was founded in 1989 by Alex Cable, who serves as its current CEO. His daughter, Jennifer Cable, serves as president. [3] As of 2018, Thorlabs has annual sales of approximately $500 million. [4]

  5. Hakim Optical - Wikipedia

    en.wikipedia.org/wiki/Hakim_Optical

    On May 1, 2011, Hakim Optical opened its new flagship location at Yonge–Dundas Square in Toronto which is two blocks away from the original 1967 location.. In November 2017, Hakim Optical partnered with virtual reality and augmented reality agency VusionVR Inc. to expand the in-store service by offering an app that would take a customer's selfie and apply a Snapchat-like filter of the ...

  6. Precision glass moulding - Wikipedia

    en.wikipedia.org/wiki/Precision_glass_moulding

    On the tool surface, highly adherent thin coatings are synthesized. Materials for coatings on optical inserts are Platinum-based PVD (mostly iridium-alloyed, standard), diamond-like carbon (not yet commercially available), SiC (CVD) on SiC-ceramics (not yet commercially available, have to be post-machined) or TiAlN (not yet commercially available).

  7. Optical instrument - Wikipedia

    en.wikipedia.org/wiki/Optical_instrument

    An optical instrument is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic properties. Common examples include periscopes , microscopes , telescopes , and cameras .

  8. Which 38 Republicans voted against Trump's plan to keep the ...

    www.aol.com/38-republicans-voted-against-keeping...

    The U.S Capitol is seen after U.S, President-elect Donald Trump called on U.S. lawmakers to reject a stopgap bill to keep the government funded past Friday, raising the likelihood of a partial ...

  9. Essilor - Wikipedia

    en.wikipedia.org/wiki/Essilor

    After many years as rivals, Essel and Silor merged on 1 January 1972 to form Essilor, then the world's third-largest ophthalmic optical firm. [1] Its first year of existence was marked by the creation of Valoptec, a non-trading company composed of stockholder managers who held half the company's capital stock, and the purchase of Benoist-Bethiot, a French lens manufacturer specializing in ...