Металлический ND-фильтр из УФ-плавленого кварца, диаметр 25,4 мм, OD 3,0 при 632,8 нм, Артикул: FRQ-ND30

Технические характеристики

• Size Ø25.4 mm
• Wavelength Range 350 – 2000 nm
• Optical Density 3
• Optical Density Tolerance ±4%, @ 632.8 nm
• Transmission 0.1% @ 632.8 nm
• Angle of Incidence 0°
• Material UV grade fused silica or equivalent
• Damage Threshold 30 W/cm2 CW, typical, not recommended for pulsed laser use
• Size Tolerance ±0.25 mm
• Thickness 3.0 mm

• Thickness Tolerance ±0.25 mm
• Surface Flatness ≤1λ at 632.8 nm over the clear aperture
• Surface Quality 60-40 scratch-dig
• Clear Aperture ≥central 80% of dimensions
• Wedge ≤3 arc min
• Chamfers 0.25–0.76 mm face width
• Chamfers Angle Tolerance 45° ±15°
• Durability MIL-C-48497A, adhesion, humidity, moderate abrasion, and solubility requirements
• Cleaning See How to Clean Optics