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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25.4mm Dia. 400 - 750nm Broadband λ/10 Mirror

TECHSPEC Broadband Dielectric λ/10 Mirrors

TECHSPEC Broadband Dielectric λ/10 Mirrors
Stock #39-212 In Stock
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Dielectric Mirror (400-750nm)
Coating Specification:
Ravg >98% @ 400 - 750nm (0 - 45°)
Ravg >99% @ 400 - 750nm (0°)
Wavelength Range (nm):
400 - 750
Diameter (mm):
25.40 +0.00/-0.10
Surface Flatness (P-V):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Back Surface:
Commercial Polish
Surface Quality:
Coating Type:
Angle of Incidence (°):
Clear Aperture (%):
Ground, 0.5mm max bevel
Parallelism (arcmin):
Thickness (mm):
6.35 ±0.20
Flat Mirror
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
0.5 J/cm2 @ 532nm, 20ns, 20Hz

Regulatory Compliance

RoHS 2015:
Reach 209:
Certificate of Conformance:

Product Family Description

  • Enhanced Reflectivity and LIDT over Metallic Coatings
  • Average Reflectivity >99% Over Broad UV, Visible, and NIR Wavelengths
  • Designed for all Polarization States from 0 – 45° AOI

TECHSPEC® Broadband Dielectric λ/10 Mirrors are ideal for beam steering or reflection applications utilizing multiple laser sources. These mirrors feature greater than 99% reflection, significantly better than metal-coated mirrors, and increase system performance by minimizing energy loss. The highly durable fused silica substrate offers a low thermal expansion coefficient and a high abrasion resistance. TECHSPEC® Broadband Dielectric λ/10 Mirrors are designed for applications from the UV to the near-infrared spectra.