Metallic ND Filter, UV Fused Silica, 50.8x50.8 mm, 0.3 OD at 632.8 nm
Metallic ND Filter, UV Fused Silica, 50.8x50.8 mm, 0.3 OD at 632.8 nm
Model: FSQ-ND03
Product Series Overview
UV Fused Silica Metallic ND FiltersThe FSQ-ND03 UV Fused Silica Metallic Neutral Density Filter is a 50.8 x 50.8 mm square UV fused silica metallic ND filter with an optical density of 0.3 at 632.8 nm. Our metallic neutral density coatings provide broadband attenuation for lower power applications. The coating is deposited on one side of an ultra-pure UV grade fused silica substrate providing excellent transmission from the UV to near-infrared. All filters are permanently marked with the optical density.
Specifications
- Size50.8 x 50.8 mm
- Wavelength Range350 - 2000 nm
- Optical Density0.3
- Optical Density Tolerance±6% @ 632.8 nm
- Transmission50.1% @ 632.8 nm
- Angle of Incidence0°
- MaterialUV grade fused silica or equivalent
- Damage Threshold30 W/cm2 CW, typical; not recommended for pulsed laser use
- Thickness3.0 mm
- Thickness Tolerance±0.25 mm
- Surface Flatness≤2λ at 632.8 nm over the clear aperture
- Surface Quality60-40 scratch-dig
- Clear Aperture≥central 80% of dimensions
- Wedge≤3 arc min
- Chamfers0.25–0.76 mm face width
- Chamfers Angle Tolerance45° ±15°
- DurabilityMIL-C-48497A, adhesion, humidity, moderate abrasion, and solubility requirements
- Cleaning
Resources & Downloads
2D Product Drawings
COLOREDG-S(61 kB, PDF)
Other
FSQ-ND03 RoHS Certificate(264.7 kB, PDF) FSQ-ND03_ROHS2-2021.pdf(280.7 kB, PDF)
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