Crown glass (optics) - Wikipedia
Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with Abbe numbers between 50 and …
Crown glass (window) - Wikipedia
Crown glass. Crown glass was an early type of window glass. In this process, glass was blown into a "crown" or hollow globe. This was then transferred from the blowpipe to a punty and …
Crown glass | Making, Properties & Uses | Britannica
crown glass, handmade glass of soda-lime composition for domestic glazing or optical uses. The technique of crown glass remained standard from the earliest times: a bubble of glass, blown …
Crown glass - Wikipedia
Crown glass is either of two kinds of glass: Crown glass (window) was a type of hand-blown window glass. Crown glass (optics) is a type of optical glass used in lenses.
Optical Glass - Edmund Optics
Crown glasses tend to have lower dispersion than flints. Transmission Standard optical glasses offer high transmission throughout the entire visible spectrum and beyond in the near …
Crown glass (optics) - Wikiwand
Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with Abbe numbers between 50 and …
Crown Glass - an overview | ScienceDirect Topics
Traditional optical glasses are designated as either crown or flint glasses. Crown glasses were originally based on the soda-lime-silica ternary system and were developed for use as window …
A New Dawn for Glass Lenses - 20/20 Mag
The name crown glass comes from the crown shape taken by molten glass as it is spun and blown. If a window was to be made, the spinning would continue, expanding and further …
Crown glass | All About Glass - Corning Museum of Glass
Sheet glass made by blowing a parison, cutting it open, and rotating it rapidly, with repeated reheating, until the centrifugal force has caused it to become a flat disk. After annealing, the …
Crown Glasses – refractive index, chromatic dispersion - RP …
Crown glasses are optical glasses with an Abbe number above 55 or above 50 – there is no general agreement on that limit. A high Abbe number indicates weak chromatic dispersion and …