FSQ: Metalic Neutral Density Filter Set 7 Piece set, Fused Silica
FSQ: Metalic Neutral Density Filter Set 7 Piece set, Fused Silica
Moderate power broadband neutral density filter sets with uniform wavelength attenuation up to 2500 nm; includes 7 filters of varying OD. These metallic attenuator sets contain 7 filters of varying OD coated with Inconel metal alloy on fused silica for maximum flexibility. With minimal variation in attenuation with wavelength over a broad wavelength band, they offer dependable performance for moderate power applications at wavelengths up to 2500 nm.
- Product Code: FSQ
- Optical Material: Standard Grade Corning 7980 (Fused Silica)
- Density Tolerance: ±5% of optical density at 546nm,
± 0.02 density for density >1.0
- Thickness: 2.0 ± 0.2mm
- Surface Flatness: < 3 λ p-v at 633nm per 25mm
- Surface Quality: 80-50 scratch-dig per MIL-PRF-13830b