Photonics Dictionary

glass-melting furnace

A furnace used to heat glass materials. It may be a small laboratory-type furnace for small-scale experiments or large enough to hold gas-fired tanks for the commercial mass production of glass. Special types of optical glass often are made in 20-lb platinum pots, but the more common types are produced in ceramic or platinum-lined tanks. The raw materials are fed into one end and the molten glass withdrawn from the other end in a continuous fashion.
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