ND Filter, Metallic, Optical Crown Glass, 25.4 mm, 1.5 OD at 632.8 nm
ND Filter, Metallic, Optical Crown Glass, 25.4 mm, 1.5 OD at 632.8 nm
Model: FBR-ND15
Product Series Overview
Optical Crown Glass Metallic ND FiltersThe FBR-ND15 Metallic Neutral Density Filter is a 25.4 mm diameter Optical Crown Glass Metallic ND Filter with an optical density of 1.5 at 632.8 nm. Our metallic neutral density coatings provide broadband attenuation for low power applications. The coating is deposited on one side of a cost effective B 270 optical glass substrate, providing excellent performance in the visible and near-infrared.
Specifications
- SizeØ25.4 mm
- Wavelength Range400-1200 nm
- Optical Density1.5
- Optical Density Tolerance±4% @ 632.8 nm
- Transmission3.2% @ 632.8 nm
- Angle of Incidence0°
- MaterialB270 Optical Crown Glass or Equivalent
- Damage Threshold30 W/cm2 CW, typical; not recommended for pulsed laser use
- Size Tolerance+0/-0.50 mm
- Thickness3.0 mm
- Thickness Tolerance±0.25 mm
- Surface Flatness≤5λ at 632.8 nm over the clear aperture
- Surface Quality60-40 scratch-dig
- Clear Aperture≥central 80% of dimensions
- Wedge≤5 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
Other
FBR-ND15 RoHS Certificate(265.6 kB, PDF) FBR-ND15_ROHS2-2021.pdf(280 kB, PDF)
2D Product Drawings
FBR-ND Series Drawing(76.8 kB, PDF)
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