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Frequently Asked Questions

Infrasil 301 and 302 are optical quartz glass grades manufactured by fusion of natural quartz crystals in an electrically heated furnace.

Infrasil 301 and 302 combine excellent physical properties with very good optical characteristics especially in the IR and the visible wavelength range.

The Suprasil 300x family of materials has the combination of ultra low total metal impurities (< 1 ppm) and low OH (< 1 ppm) that result in no absorption bands from the visible to the IR spectral region. This property makes this material family the ideal choice for any low absorption application in the near-IR.

The index homogeneity of Infrasil 301 and 302 is controlled and specified either in one direction (the direction of use or functional direction) or even in all three directions.

Suprasil 3001, 3002, 300 is the best choice for infrared region. Suprasil 311, 312 very... (truncated input)

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