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| BB4-E02 - Ø4" Broadband Dielectric Mirror, 400-750 nm |
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| Product Summary: |
Features
- Ø4" Round Mirror
- Fused Silica Substrates
- Ravg >99% for S and P Polarization for Angles of Incidence from 0-45°
This Thorlabs' Broadband Dielectric Mirrors offer excellent reflectivity over the 400 - 750 nm wavelength range. Due to unavoidable variations in each coating run, please note that the specified spectral range listed for each coating is smaller than the actual spectral region over which the mirror is effective.
Specifications
- Material: Fused Silica
- Surface Flatness: λ/10
- Surface Quality: 10-5 Scratch-Dig
- Back Surface: Fine ground
- Clear Aperture: >85% of Diameter
- Parallelism: ≤3 arcmin
- Thickness: 19.05 mm (0.75")
- Thickness Tolerance: ±0.2 mm
- Diameter Tolerance: +0.00 mm/-0.10 mm
- -E02 Ravg: >99% (400-750 nm)
- Damage Threshold: 0.25 J/cm2 (532 nm, 10 ns, 10 Hz, Ø 0.133 mm)
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