Neutral Density Filter, Infrared, 25 mm, 1.0 OD, ±1.50% Tolerance

The NDIR10-10 Infrared Neutral Density Filter is a 1 inch (25.0 mm) diameter filter with an optical density of 1.0, and ± 1.5 % 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

Technical Specs

Size
Ø25.0 mm
Wavelength Range
2000-5000 nm
Optical Density
1
Transmission
10.0%
Transmission Tolerance
±1.5%
Material
Germanium
Coating Type
Metallic Neutral Density
Size Tolerance
± 0.2 mm

Thickness
1.0 mm
Thickness Tolerance
± 0.2 mm
Surface Flatness
3-5 λ per inch
Surface Quality
60-40 scratch-dig
Clear Aperture
90 % of central diameter
Parallelism
< 10 arc minute

Size
Ø25.0 mm
Wavelength Range
2000-5000 nm
Optical Density
1
Transmission
10.0%
Transmission Tolerance
±1.5%
Material
Germanium
Coating Type
Metallic Neutral Density
Size Tolerance
± 0.2 mm

Thickness
1.0 mm
Thickness Tolerance
± 0.2 mm
Surface Flatness
3-5 λ per inch
Surface Quality
60-40 scratch-dig
Clear Aperture
90 % of central diameter
Parallelism
< 10 arc minute

Resources & Downloads

Other

NDIR10-10 RoHS Certificate(705.2 kB, PDF)

2D Product Drawings

NDIR10 Drawing(91.5 kB, PDF)

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