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Products / Optics / Optical Mirrors / Flat Mirrors / ZERODUR® λ/10 First Surface Mirrors
See all 54 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

20mm Dia. Enhanced Aluminum Coated, λ/10 ZERODUR® Mirror

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Stock #39-850
S$147.25
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Qty 1-5
S$147.25
Qty 6+
S$114.70
Volume Pricing
Request Quote
Diameter (mm):
20.00 +0.00/-0.20
Surface Flatness:
λ/10
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
ZERODUR®
Back Surface:
Commercial Polish
Surface Quality:
20-10
Coating Specification:
Ravg >95% @ 450 - 650nm
Coating:
Enhanced Aluminum (450-650nm)
Coating Type:
Metal
Clear Aperture (%):
90
Edges:
Ground, protective bevel as needed
Parallelism (arcsec):
30
Thickness (mm):
3.00 ±0.20
Type:
Flat Mirror
Typical Energy Density Limit:
0.2 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
450 - 650
Coefficient of Thermal Expansion CTE (10-6/°C):
0.1

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 223:
Compliant
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Product Family Description

  • Precision ZERODUR® Substrates
  • λ/10 Flatness
  • Low Coefficient of Thermal Expansion

TECHSPEC® ZERODUR® λ/10 First Surface Mirrors are well suited for applications where temperature fluctuation is a concern. The ZERODUR® substrates have a coefficient of thermal expansion (CTE) of ±0.10 x 10-6/°C, which is an order of magnitude lower than most glass types. The low CTE allows these mirrors to have a consistent reflected wavefront, even when exposed to environments with varying temperature or illumination sources with changing intensity. TECHSPEC® ZERODUR® λ/10 First Surface Mirrors feature precision polished substrates with λ/10 flatness and 20-10 surface quality. Multiple metallic and enhanced metallic coating options are available, allowing for these mirrors to be easily integrated into applications in both the visible and infrared spectrum.

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