Low-expansion optical materials

AGI offers many low-expansion glass and glass ceramic materials.

In addition to fused silica and fused quartz, AGI works with other low-expansion materials:

•  ZERODUR, Schott, 1300 kg in stock
• SUPREMAX 33/ BOROFLOAT 33, 6000 kg in stock
• CLEARCERAM-Z, Ohara, ~1000 Kg in stock
• ULE (Corning 7972) / TSG Titania Silicate Low Expansion Glasse, premium and standard qualities for tooling, ~1500 kg in stock
• Pyrex

The many applications using low expansion optical materials:

• Flat optics
• Substrates for telescope mirrors and other optics
• Large glass substrates
• Lightweight mirror holders
• Length gauges, block gauges, precision measurement technology
• Laser cavity
• Etc…

AGI offers low expansion optical materials in a range of quality ranging from premium to standard quality through tooling quality.