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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 ...
The resulting glass code is the value of n d − 1 rounded to three digits, followed by V d rounded to three digits, with all decimal points ignored. For example, BK7 has n d = 1.5168 and V d = 64.17, giving a six-digit glass code of 517642. [1] Consequently, a linear approximation for the refractive index dispersion close that wavelength is ...
Okemos (/ ˈ oʊ k ə m ə s / OH-kə-məss) is a census-designated place (CDP) in Ingham County in the U.S. state of Michigan. The population of the CDP was 25,121 at the 2020 census . Okemos is part of the urban area of Lansing–East Lansing , and is located nearby the campus of Michigan State University .
Glasses are classified using the Schott Glass letter-number code to reflect their composition and position on the diagram. Flint glass is optical glass that has relatively high refractive index and low Abbe number (high dispersion). Flint glasses are arbitrarily defined as having an Abbe number of 50 to 55 or less.
*Note: this list includes joint-ventures based in Michigan, subsidiaries of Michigan-based companies also located in Michigan, and companies based in Michigan currently owned or controlled by private equity, venture capital, or other similar entities. Below is a separate list of outside companies with a significant presence in Michigan.
Van Buren Township is a charter township in Wayne County in the U.S. state of Michigan. A western suburb of Detroit, Van Buren Township is located roughly 28 miles (45.1 km) southwest of downtown Detroit, and 17 miles (27.4 km) southeast of Ann Arbor. As of the 2020 census, the township had a population of 30,375. [3]
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