Optical Glass

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Product Variants

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• High homogeneity Optical glass types up to H5 class, measured using highly advanced interferometers

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• Nd and Vd tolerances up to Step 0.5 (±0.0001 / ±0.1%) for selected glass types

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• "N-" glasses as an environmentally friendly alternative to conventional lead and arsenic containing glass

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• Classic glass types with lead oxide as an essential component for outstanding Optical properties

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• "P-" glasses with low glass transition temperature (Tg) for precision molding

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• "HT" & "HTultra" Optical glasses with enhanced transmission values in the visible spectrum

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• i-line glasses with extremely high refractive index homogeneity and high UV transmittance

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• Radiation resistant glass types for use in high-energy radiation environments

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Optical Glasses are specified in accordance to their Optical and internal properties

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• Refractive index with tolerances

• Abbe value with tolerances

• Refractive index homogeneity

• Internal transmission

• Color code

• Striae

• Bubbles and inclusions

• Stress birefringence

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Optical glass is subjected to stringent quality inspection before delivery. All stages of the Optical glass production are continuously monitored. Additionally, comprehensive final inspection is performed.

 

All products are routinely supplied with melt data and a certificate of conformity.