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Femtoline Thin BBAR Lenses @ 700-900 nm

Femtoline Thin BBAR coated at 700-900 nm Lenses for applications with broadband femtosecond Ti:Sapphire laser pulses. Presented lenses ensure low Group Delay Dispersion of broadband femtosecond Ti:Sapphire laser pulses.


Material UVFS
Surface quality 40-20 scratch & dig (MIL-PRF-13830B)
Clear aperture 90% of the diameter
Diameter tolerance +0.00, -0.12 mm
Thickness tolerance ±0.2 mm
Surface irregularity λ/8 @ 633 nm
Concentricity 3 arcmin
Paraxial focal length ±2% @ 800 nm


Technology Electron beam multilayer dielectric
Adhesion and Durability Per MIL-C-675A. Insoluble in lab solvents
Clear Aperture Exceeds central 85% of diameter
Damage Threshold 50 mJ/cm2, 50 fsec pulse, 800 nm typical
Coated Surface Flatness λ/10 at 633 nm over clear aperture
Angle of incidence