Expert colloquium on ZERODUR® parameters crucial for mirror substrate selection

SCHOTT’s ZERODUR® glass-ceramic, with its near-zero thermal expansion and exceptional CTE homogeneity, is engineered to meet the toughest demands of space applications. Discover how its mechanical stability and cutting-edge processing techniques ensure unmatched reliability in the most extreme conditions

Key take aways from this session:

  • Extreme precision, even in space
    Discover how ZERODUR® glass-ceramic keeps its shape and optical performance — despite massive temperature swings and the stress of rocket launches.
  • CTE homogeneity that sets the standard
    See why consistent thermal expansion across large volumes is critical for space optics — and how ZERODUR® delivers unmatched uniformity, even in serial production.
  • Engineered for mechanical resilience
    Learn how SCHOTT optimizes the surface condition of mirror blanks to maximize strength and durability — right down to the micrometer.
  • Less subsurface damage, more stability
    Explore how ultra-fine grinding and acid etching drastically reduce microcracks — resulting in bending strength that exceeds 90 MPa.
  • Real data, real reliability
    Understand the testing, validation, and statistical methods behind ZERODUR®’s impressive strength and performance metrics — proven over decades in space missions.

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Profile Picture Michel Liebscher-Winckler
Michel Liebscher-Winckler

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