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All Products / Optics / Optical Mirrors / Flat Mirrors / Precision Polished Metal Coatings / Precision Optical Flat Mirrors
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

4" Dia. Protected Aluminum, λ/10 Flat ZERODUR®

Optical Flats 1
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Stock #31-392-522 Contact Us
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S$1,326.75
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S$1,326.75
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S$1,194.80
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Surface Flatness (P-V):
λ/10
Back Surface:
Commercial Polish
Surface Quality:
60-40
Diameter (mm):
101.60 +0.0/-1.0
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
ZERODUR®
Coating Specification:
Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Coating:
Protected Aluminum (400-2000nm)
Coating Type:
Metal
Clear Aperture CA (mm):
91.44
Note:
Flatness is specified as Peak to Valley
Thickness (mm):
19.10 ±1.5
Thickness Tolerance (mm):
±1.5
Type:
Flat Mirror
Wavelength Range (μm):
0.4 - 2
Wavelength Range (nm):
400 - 2000
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
0.3 J/cm2 @ 532nm & 1064nm, 10ns

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
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REACH 241:
Compliant
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Product Family Description

  • Fused Silica and ZERODUR® Substrates
  • λ/10 and λ/20 Surface Flatness
  • Variety of Coating Options Offered

TECHSPEC® Precision Optical Flat Mirrors are ideal for various applications, including interferometry, imaging systems, laser applications, optical path folding, and autocollimation. These mirrors are available in multiple coating and substrate options and surface flatness options of λ/10 and λ/20. The first substrate option ZERODUR®, a yellow-tinted glass ceramic, features an extremely low coefficient of thermal expansion. TECHSPEC® Precision Optical Flat Mirrors are ideal for applications where temperature fluctuation is a concern using the ZERODUR® substrate. The second option, Fused Silica, is optically clear and features excellent resistance to abrasion and high durability, making it the best choice for applications in harsh environments.

TECHSPEC® λ/10 and λ/20 Precision Optical Flats are available for testing and measurement applications.

Note: Surface flatness specifications are measured before coating.