Contact Us

Athermal Crystals

Athermal crystals are engineered to maintain exceptional optical performance under fluctuating temperature conditions, ensuring reliability in high-precision applications. They are essential in applications where temperature-induced changes in refractive index, expansion, or contraction could compromise optical accuracy.

comparison table

Crystal
Transmission Range (µm)
Refractive Index
Key Features
Applications

Zerodur

0.3 - 2.5
1.54
Near-zero thermal expansion, high stability, excellent mechanical properties
Telescope mirrors, optical components, semiconductor lithography

Ohara Clearceram-Z

0.35 - 2.5
1.55
Ultra-low thermal expansion, high optical clarity, excellent dimensional accuracy
Metrology, laser systems, high-end telescopes

Zerodur

Zerodur is a glass-ceramic material with a near-zero coefficient of thermal expansion (CTE), ensuring dimensional stability across a wide temperature range. Its optical homogeneity and superior mechanical properties make it ideal for high-precision optical systems, including telescope mirrors, optical components, and stable platforms in astronomy, aerospace, and semiconductor lithography.
Learn More

Ohara Clearceram-Z

Ohara Clearceram-Z is a high-performance glass-ceramic with an ultra-low CTE, offering exceptional thermal stability and optical clarity. Ideal for precision instruments exposed to temperature variations, it is widely used in metrology, laser systems, and high-end telescopes. Its dimensional accuracy and environmental stress resistance ensure reliable performance in demanding conditions.
Learn More
//body code