Femtoline Laser Harmonic Separators
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Femtoline Laser Harmonic Separators SKU: 042-6510

• Offered on Ø 0.5 or 1 inch UVFS substrates with surface flatness λ/10 Harmonic separators are dichroic beamsplitters that reflect one wavelength and transmit the other. Reflectance is better than 99,5% for the wavelength of interest and transmittance is at least 90% for the…

Variant specifications

Specification Value
Material UVFS
Diameter ø 25.4 mm
Thickness 3 mm
Reflected Wavelength R>99.5%@1030nm
Transmitted Wavelength T>93%@515nm
AOI

Shared product specifications

These specifications apply across the Femtoline Laser Harmonic Separators product family.

Substrate

Material UV grade Fused Silica
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 mm-0.12 mm
Thickness Tolerance ±0.25
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
Coated Surface Flatness λ / 10 at 633 nm over clear aperture
Back Side Antireflection Coated AOI 45°, R<0.5% / AOI 0°, R<0.25%
Laser Damage Threshold <100 mJ / cm², 50 Fsec pulse, 800 nm typical

Classification

Line femtoline

Variant files

Technical drawings, models and data files for SKU 042-6510.

Product brochures

Shared documentation for the complete product family.