Dichroic Mirrors
← Back to product family

Dichroic Mirrors SKU: 041-6805

• Laser Damage Threshold: >2J/cm², 8 ns pulse, 1064 nm typical for BK7 substrates; >5J/cm² 8 ns pulse, 1064 nm typical for UVFS substrates • Back side antireflection coated: R<0.5% • Parallelism: 30 arcsec Harmonic separators are dichroic beamsplitters used to reflect one…

Variant specifications

Specification Value
Material UVFS
Diameter ø12,7 mm
Thickness 3 mm
AOI 45°
Reflected Wavelength R>99.5%@1064nm
Transmitted Wavelength T>95%@808nm

Shared product specifications

These specifications apply across the Dichroic Mirrors product family.

Material UV grade fused silica or BK7 glass
S1 Surface Flatness λ / 10 typical at 633 nm
S1 Surface Quality 20-10 scratch & dig (MIL-PRF-13830B)
S2 Surface Flatness λ / 10 typical at 633 nm
S2 Surface Quality 20-10 scratch & dig (MIL-PRF-13830B)
Diameter Tolerance +0.00 / -0.12 mm
Thickness Tolerance ±0.25 mm
Parallelism 30 arcsec
Chamfer 0.3 mm at 45° typical

Coating

Technology Electron beam multilayer dielectric
Adhesion and Durability Per MIL-C-675A. Insoluble in lab solvents
Clear Aperture Exceeds central 85% of diameter
Laser damage threshold: / BK7 / UV FS > 2 J / cm², 8 ns pulse, 1064 nm / > 5 J / cm², 8 ns pulse, 1064 nm
Coated Surface Flatness λ / 10 at 633 nm over 85% of diameter available
Transmitted Wavefront Distortion (TWD) λ / 10 over clear aperture
Back side antireflection coated R<0.5%

Classification

Coating dielectric

Variant files

Technical drawings, models and data files for SKU 041-6805.

Product brochures

Shared documentation for the complete product family.