Optical Filters from Qioptiq

Neutral-density Filters


Attenuate polychromatic light without altering its spectral distribution

Transmittance τ = ΦT / Φ0

Optical density D = log 1 / τ

  • Metallic films vacuum-evaporated onto glass substrates
  • Hard
  • Durable
  • Firmly adhering
  • Mounted and unmounted versions available
  • Mounted types fit to LINOS Microbench m or Nanobench n
  • Thickness of all filters: 2 mm
  • Custom items (different materials, dimensions, or optical densities) available for higher quantities upon request.


Product Category
Optical Filters
Filter Type
Neutral Density Filters
Filter Shape
Filter Diameter, Side Length, or Rectangular Length