eSource Optics UV Neutral Density Filters are available with Optical Densities (O.D.) ranging from 0.30 to 4.00 over the broadband UV wavelength range of 200m to 320nm.
eSource Optics UV Neutral Density Filters are Metallic Aluminum & MgF2 Thin-Film Filters that achieve the desired optical density or attenuation of UV light via a combination of reflection, transmission and absorption. Unlike traditional Inconel Thin-Film ND Filters that have too much absorption in the UV, especially below 250nm; all eSource Optics Al & MgF2 designed UV Neutral Density Filters uniformly attenuate the intensity of transmitted light over the broadband UV wavelength range of 200m to 320nm.
All eSource Optics UV Neutral Density Filters are available in standard 12.7mm, 25.4mm, and 50.8mm Diameters and are manufactured using high purity UV grade Fused Silica substrates for UV wavelengths 200nm to 320nm. All UV Neutral Density Filter substrates are highly polished to a <=40-20 scratch & dig surface quality.
All eSource Optics UV Neutral Density Filters are supplied with individual % Transmission Calibration Curves detailing normal incidence broadband UV spectral performance characteristics. These Filters are typically used in applications such as calibration filters for low power UV lasers and VUV-UV Spectroscopy & Ellipsometry.
eSource Optics UV Neutral Density Filters are covered and edge sealed type filters. Follow the link for more information on our Covered and Sealed UV Filters
eSource Optics UV Neutral Density Filter Coatings can also be supplied in custom sizes and applied to Customer Furnished Material. Please contact us.
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SPECIFICATIONS
Material: UV Grade Fused Silica
Wavelength Range: 200-300nm
Diameter (Ø)Tolerance: ±0.25mm
Thickness: ~5.0mm max
Optical Density (O.D.) Tolerance: ±10-15% of O.D.
Surface Quality: <=40-20 scratch-dig
Clear aperture: central 85%
All UV ND Filters are Covered & Edge Sealed
All dimensions in mm
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SIZE
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O. D.
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TRANSMISSION (% T)
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PRODUCT #
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PRICE
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ORDER
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12.7 Ø
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0.30
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50± 8% T UV Neutral Density Filter
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12030NDUV
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$300.00
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12030NDUV
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25.4 Ø
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0.30
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50± 8%T UV Neutral Density Filter
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25030NDUV
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$325.00
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25030NDUV
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50.8 Ø
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0.30
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50± 8%T UV Neutral Density Filter
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50030NDUV
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$393.00
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50030NDUV
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12.7 Ø
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0.50
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30± 5%T UV Neutral Density Filter
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12050NDUV
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$300.00
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12050NDUV
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25.4 Ø
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0.50
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30± 5%T UV Neutral Density Filter
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25050NDUV
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$325.00
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25050NDUV
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50.8 Ø
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0.50
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30± 5%T UV Neutral Density Filter
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50050NDUV
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$393.00
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50050NDUV
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12.7 Ø
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1.0
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10± 2.5% T UV Neutral Density Filter
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12100NDUV
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$300.00
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12100NDUV
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25.4 Ø
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1.0
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10± 2.5% T UV Neutral Density Filter
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25100NDUV
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$325.00
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25100NDUV
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50.8 Ø
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1.0
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10± 2.5% T UV Neutral Density Filter
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50100NDUV
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$393.00
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50100NDUV
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12.7 Ø
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1.5
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3± 0.7% T UV Neutral Density Filter
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12150NDUV
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$300.00
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12150NDUV
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25.4 Ø
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1.5
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3± 0.7% T UV Neutral Density Filter
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25150NDUV
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$325.00
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25150NDUV
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50.8 Ø
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1.5
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3± 0.7% T UV Neutral Density Filter
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50150NDUV
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$393.00
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50150NDUV
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12.7 Ø
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2.0
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1± 0.4% T UV Neutral Density Filter
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12200NDUV
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$300.00
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12200NDUV
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25.4 Ø
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2.0
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1± 0.4% T UV Neutral Density Filter
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25200NDUV
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$325.00
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25200NDUV
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50.8 Ø
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2.0
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1± 0.4% T UV Neutral Density Filter
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50200NDUV
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$393.00
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50200NDUV
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12.7 Ø
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3.0
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0.1± 0.06% T UV Neutral Density Filter
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12300NDUV
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$315.00
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12300NDUV
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25.4 Ø
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3.0
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0.1± 0.06% T UV Neutral Density Filter
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25300NDUV
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$340.00
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25300NDUV
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50.8 Ø
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3.0
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0.1± 0.06% T UV Neutral Density Filter
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50300NDUV
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$410.00
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50300NDUV
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12.7 Ø
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4.0
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0.01± 0.008% T UV Neutral Density Filter
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12400NDUV
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$325.00
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12400NDUV
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25.4 Ø
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4.0
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0.01± 0.008% T UV Neutral Density Filter
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25400NDUV
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$350.00
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25400NDUV
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50.8 Ø
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4.0
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0.01± 0.008% T UV Neutral Density Filter
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50400NDUV
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$415.00
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50400NDUV
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· Also see our VUV Bandpass & UV Bandpass Filters
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