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All Products / Optics / Optical Mirrors / Flat Mirrors / Precision Polished Dielectric Coatings / Ultra-High Reflectivity (UHR) Broadband Dielectric Mirrors
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12.7mm Dia. UHR Broadband Dielectric Mirror, 400-750nm

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Stock #17-500 Clearance 3-4 days
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£199.71
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£199.71
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Diameter (mm):
12.70 +0.00/-0.10
Surface Flatness (P-V):
λ/10
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Surface Quality:
10-5
Coating Specification:
Ravg >99.9% @ 400 - 750nm (45°, s-pol)
Ravg >99.8% @ 410 - 750nm (45°, p-pol)
Coating:
UHR Dielectric Mirror (400-750nm)
Coating Type:
Dielectric
Angle of Incidence (°):
45
Clear Aperture CA (mm):
11.7
Edges:
Ground
Parallelism (arcmin):
<3
Thickness (mm):
6.35 ±0.20
Type:
Flat Mirror
Wavelength Range (nm):
400 - 750

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • >99.8% Reflectivity over Broad Visible or NIR Wavelength Ranges
  • 10-5 Surface Quality for Reduced Scatter in Sensitive Laser Applications
  • λ/10 Surface Flatness

Ultra-High Reflectivity (UHR) Broadband Dielectric Mirrors are ideal for use with broadband laser or illumination sources in applications that require low reflection loss. These mirrors feature laser grade substrates with λ/10 surface flatness and 10-5 surface quality to minimize scattering effects. Coated with durable dielectric coatings, these mirrors are designed for >99.8% average reflectivity throughout the visible (400 - 750nm) or NIR (740 - 1100nm) spectra, independent of polarization. With a high-quality fused silica substrate, Ultra-High Reflectivity (UHR) Broadband Dielectric Mirrors feature a low coefficient of thermal expansion.

Coating Note: Coating designs measured and verified at 532, 632.8, and 1064nm via cavity ring-down spectroscopy (CRDS). Specs may not be verifiable on traditional spectrophotometer equipment.