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Neutral Density Filters - Absorptive

UQG (Optics) Ltd.Request Info
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Neutral Density FIlters - AbsorptiveUQG Optics absorptive Schott glass ND filters are used to control the intensity of light and are stackable without resulting in multiple reflections. The ND glass absorbs the light within the filter. Each glass type is polished to required thickness and measured to produce the exact optical density and transmission. Custom or standard optical density’s and transmission can be produced to a particular wavelength.

UQG Optics has a range of stock sizes for a quick delivery.

Diameters: 5mm to 160mm
Squares/Rectangles: 1mm to 165mm
Thickness: 0.50 to 4.00mm
Surfaces: 80/50 to 20/10
Flatness: up to Lambda 1
Parallelism: up to 1 min
Transmission: to 2%
Absorbance: to 0.02mm
Optical Density: 0.05 to 5.00
Transmission: 0.01% to 99%
Wavelength to Density: 400nm – 1000nm
Coatings: AR

Transmission curves 400-1100nm
Absorbance curves 400-1100nm
Calibration certificates
Spot reading @ wavelengths
Identification labels
Storage boxes
Mounts & holders

Diameters: 12.5mm to 25mm
Squares/Rectangles: 50mm²
Dimension Tolerance: +0.00/-0.20mm - ± 0.20mm (subject to dimension)
Thickness Tolerance: ± 0.10mm

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