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25mm Dia. Schwarz λ/10 Mirror

Schwarz Mirrors

Schwarz Mirrors

Stock #18-691 New
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Diameter (mm):
25.00 +0.0/-0.20
Surface Flatness:
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Engineered Fused Silica
Back Surface:
Commercial Polish
Surface Quality:
Coating Specification:
Ravg >98% @ 400 - 750nm (0 - 45°)
Ravg >99% @ 400 - 750nm (0°)
Dielectric Mirror (400-750)
Coating Type:
Angle of Incidence (°):
Protective bevel as needed
Clear Aperture (%):
Damage Threshold, Pulsed:
0.5J/cm2, 20ns , 20Hz @ 532nm
Parallelism (arcsec):
Thickness (mm):
6.35 ±0.10
Flat Mirror
Typical Energy Density Limit:
0.5J/cm2, 20ns , 20Hz @ 532nm
Wavelength Range (μm):
0.40 - 0.75
Wavelength Range (nm):
400 - 750

Regulatory Compliance


Product Family Description

  • Engineered Highly- Absorptive Fused Silica Substrate
  • Optical Density > 7.0 in Visible Spectrum
  • >98% Visible Reflectivity with No Residual Transmission
  • Damage Threshold > 0.5J/cm2, 20ns, 20Hz @ 532nm
  • Designed for all Polarization States from 0 - 45° AOI

Schwarz Mirrors are engineered to eliminate unwanted transmission from applications requiring highly reflective mirrors. The specialized fused silica substrate features high absorption of visible light, preventing non-reflected illumination from exiting the mirror. The substrates are rated as neutral density filters with optical density of >7.0, attenuating high-power light without sustaining damage. By significantly reducing the intensity of transmitted and scattered light, system setup and design is simplified, as beam dumps, beam blocks, and laser safety shields may no longer be required. Schwarz Mirrors retain the same mechanical and thermal benefits as standard fused silica mirrors and have been coated to provide >98% reflectivity from 400 to 750nm. As such, these mirrors can replace standard fused silica in applications that require control of scattering and crosstalk.