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All Products / Optics / Optical Filters / Neutral Density (ND) Filters / VUV Neutral Density (ND) Filters
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3.0 OD 12.5mm Diameter VUV ND Filter

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Stock #20-139 3-4 days
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€442,00
Qty 1-5
€442,00
Qty 6+
€397,80
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Diameter (mm):
12.50
Optical Density OD (Average):
3.0 +0.22/-0.23
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
UV Grade MgF2
Coating:
Metallic Based ND, with Dielectric Over-Coat
Surface Quality:
40-20
Thickness (mm):
2.00 ±0.10
Transmission (%):
0.10
Type:
Neutral Density Filter
Blocking Wavelength Range (nm):
120 - 200
Clear Aperture (%):
80.00
Transmitted Wavefront, P-V:
λ/4
Parallelism (arcsec):
1

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Consistent Transmission from 120-200nm
  • Optical Densities Ranging from 0.3 to 3.0
  • Ideal for Raman Spectroscopy and Excimer Lasers

VUV Neutral Density (ND) Filters are used to attenuate light in the Vacuum UV (VUV) range of 120-200nm and are coated on Magnesium Fluoride (MgF2) substrates to deliver consistent transmission within that range. Metallic films, over-coated with a dielectric protective layer, ensure a high-quality filter coating for reliable performance. These filters are calibrated at strong spectral lines over the range of 120-200nm, making them suitable for applications utilizing the Lyman-alpha 121.6nm line and molecular hydrogen emission band at 157.8 and 160.8nm. VUV Neutral Density (ND) Filters are ideal for a range of spectroscopic and Excimer laser-based applications.