Infrared Neutral Density Filter, 25.4 mm, 0.3 OD, ±3% Tolerance
Infrared Neutral Density Filter, 25.4 mm, 0.3 OD, ±3% Tolerance
Model: FIR-ND03
Product Series Overview
Infrared ND FiltersThe FIR-ND03 Infrared Neutral Density Filter is a 1 inch (25.4 mm) diameter infrared neutral density filter with an optical density of 0.3, and ±3% transmittance tolerance. Optimized for 2 to 5 μm, this filter attenuates IR radiation from 2 to 14 μm. It is made from a germanium substrate and is coated with a spectrally neutral vacuum deposited metal alloy reflective coating.
Specifications
- SizeØ25.4 mm
- Wavelength Range2000-5000 nm
- Optical Density0.3
- Transmission50% @ 3.5 μm
- Transmission Tolerance±2%
- MaterialOptical grade germanium
- Coating TypeVacuum deposited metal alloy
- Size Tolerance±0.2 mm
- Thickness1.0 mm
- Thickness Tolerance± 0.2 mm
- Surface Quality80-50 scratch-dig
- Clear ApertureAll but 1.5 mm outer rim
- Parallelism3 to 5 arc min (0.8 to 1.5 mrad)
Resources & Downloads
Other
FIR-ND03 RoHS Certificate(265 kB, PDF)
2D Product Drawings
FIR-ND Series Drawing(82.7 kB, PDF)
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