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“A lot of ideas won't work, but the ones that do, those are really good.” ... In 1970, the company created optical fiber, a highly pure optical glass, as thin as a strand of human hair, that ...
Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors.Unlike window glass or crystal, whose formula is adapted to the desired aesthetic effect, optical glass contains additives designed to modify certain optical or mechanical properties of the glass: refractive index, dispersion, transmittance, thermal expansion and ...
This list covers optical lens designs grouped by tasks or overall type. The field of optical lens designing has many variables including the function the lens or group of lenses have to perform, the limits of optical glass because of the index of refraction and dispersion properties, and design constraints including realistic lens element center and edge thicknesses, minimum and maximum air ...
Precision glass moulding is a replicative process that allows the production of high precision optical components from glass without grinding and polishing. The process is also known as ultra-precision glass pressing. It is used to manufacture precision glass lenses for consumer products such as digital cameras, and high-end products like ...
Read for a chance to win prizes! Choose adult, teen or the children’s program; registration is required. Storytimes at the Central Library, 10:30 a.m. Fridays Feb. 2, 9, 16 and 23. Kids ages 2-5 ...
The new Jena optical glass also opened up the possibility of increased performance of photographic lenses. The first use of Jena glass in a photographic lens was by Voigtländer, but as the lens was an old design its performance was not greatly improved.
Ries spent the next two years under the mentorship of Littleton. Ries's interest in glass's optical properties grew, and began carving cold glass instead of blowing hot glass. Tools to sculpt large blocks of glass weren't available at the time, so Ries independently developed much of the equipment he needed during his spare time. [6]
A pendant made from modern dichroic glass. Dichroic glass is glass which can display multiple different colors depending on lighting conditions.. One dichroic material is a modern composite non-translucent glass that is produced by stacking layers of metal oxides which give the glass shifting colors depending on the angle of view, causing an array of colors to be displayed as an example of ...
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