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Photonics Buyers' Guide / Neutral Density Filters
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Market Data

Neutral Density Filters

A neutral density filter is a light filter that decreases the intensity of the light without altering the relative spectral distribution of the energy. Also known as a gray filter.















Additional Companies

Market Data for Companies in This Category
Countries
37
United States:
5
China:
4
Germany:
3
United Kingdom:
2
Sweden:
OTHER: 2
US States
11
California:
8
New York:
5
Massachusetts:
3
New Jersey:
3
Pennsylvania:
OTHER: 23
Capabilities
34
Custom Manufacturers:
18
Stock Manufacturers:
6
Suppliers/Distributors:
1
Designer:
Average Number of Employees: 43


The Photonics Buyers' Guide is a comprehensive resource for verified providers of Neutral Density Filters. Profiles and contact information for manufacturers and suppliers are provided by the companies and verified by our editors. If you have updated information about any of the organizations listed, please contact us.
Glossary
  • neutral density filter A light filter that equally decreases the intensity of all wavelengths of light without altering the relative spectral distribution of the energy.
  • light filter A homogeneous optical medium or coating that transmits only in particular regions of the spectrum. It is used to change or modify the total or relative energy distribution of a beam of light.
  • optical density A measure of the transmittance through an optical medium. Optical density equals the log to the base 10 of the reciprocal of the transmittance. where τλ is transmittance. In spectroscopy, optical density is the measure of absorbance,...
  • optical filter An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical filters are used to control the spectral content of light in various applications, allowing certain wavelengths to pass through...
light filtergray filterfilters neutral densityoptical filterfilters light intensitydecrease light intensityopticsnd filters
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