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Photonics Buyers' Guide > Neutral Density Filters
(60 companies)
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.
  • Reynard Corporation - San Clemente, CA Global Manufacturer of Custom Optical Thin Film Coatings For over 25 years, Reynard Corporation has been a premier supplier of custom optics to a global customer base. Reynard focuses on manufacturing the highest quality products with...
    • Manufacture Custom
  • Spectrogon US, Inc., Sub. of Spectrogon AB - Mountain Lakes, NJSpectrogon manufactures and develops optical filters, thin film coatings, and holographic diffraction gratings. The company continuously improves production techniques and craftsmanship in order to supply our customers with state of the art products. Optical Interference Filters We design and...
    • Manufacture Stock
  • Glass Fab Inc. - Rochester, NYManufacturer of custom blanks. Products include fused quartz, fused silica, optical glasses, filter glasses, and low/ultralow expansion glasses. Capabilities include annealing, slumping, sawing, grinding, edging, drilling, water jet cutting, CNC shaping and CNC generating.
    • Manufacture Custom
  • A.R.W. Optical Corporation - Wilmington, NCARW Optical is your reliable manufacturer of quality optics and coatings. Beamsplitters  • Prototyping through volume-production quantities  • High-performance and durable optical coatings  • Custom sizes  • On-time delivery Coatings  • Standard...
    • Manufacture Custom
    • Design
  • Berliner Glas KGaA Herbert Kubatz GmbH & Co. - Berlin, GermanyThe Berliner Glas Group is one of the leading European providers of optical key components, assemblies and systems as well as high quality refined technical glass. With more than 1100 employees, BERLINER GLAS develops, produces and integrates optics, mechanics and electronics into innovative...
    • Manufacture Custom
  • Bond Optics, LLC - Lebanon, NHBond Optics manufactures high precision custom optical components (Prisms, Windows, Lenses, Beamsplitters, Mirrors) from prototype to production. Our superior quality optics, produced to exact design specifications, are used in a variety of industries including aerospace, biomedical,...
    • Manufacture Custom
  • Chroma Technology Corp. - Bellows Falls, VTChroma Technology Corp. is a manufacturer of interference filters for the ultraviolet, visible and near-infrared portions of the spectrum, including bandpass, multiple bandpass, and long- and short-pass filters, as well as beamsplitters, dichroic mirrors and laser rejection filters. We specialize...
    • Manufacture Stock
  • Daheng New Epoch Technology, Inc. - Beijing, ChinaOffers a wide variety of off-the-shelf and custom optics; optomechanical components including lenses, telecentric lenses, mirrors, prisms, filters, polarizing beamsplitters, gratings; and crystal optics. Designs and manufactures lens systems for CCDs, CMOS, projectors and scanners. Also offers a...
    • Manufacture Stock
    • Manufacture Custom
  • Esco Optics - Oak Ridge, NJEsco Optics is the leading optic manufacturer of standard catalog optics, precision optical components, and ITAR optics in the United States. Family-owned and operated for over 50 years, Esco has taken a personal approach to serving each customer, revolutionizing how optic companies conduct...
    • Manufacture Custom
  • Gurley Precision Instruments, Inc. - Troy, NYManufactures stock and custom reticles, lenses, prisms, mirrors, resolution targets, step wedges, divided circles, absolute and incremental discs/scales, precision patterns and replications, measuring devices, rotary/linear encoders, engineering and surveying instruments and digital readout systems...
    • Manufacture Custom
  • Kentek Corporation - Pittsfield, NHLaser safety eyewear, barriers & signs, laser components, laser replacement parts, laser accessories, medical laser safety eye protection - find these LaserSmart® products and more in the Kentek Laser Store. Laser Safety KENTEK offers a wide range of laser safety products including over...
    • Manufacture Stock
  • Knight Optical (UK) Ltd. - Harrietsham, EnglandKO has been a global leader in the production and distribution of high quality scientific optical components for over 22 years.  We have built a reputation specializing in the supply of quality precision optics, mechanical and sub-assemblies providing high quality optical solutions. Our...
    • Supply/Distribute
  • National Photocolor Corp. - Mamaroneck, NYNational Photocolor is a manufacturer of off-the-shelf and custom pellicles. We offer a broad selection of pellicle beamsplitters, filters and windows for UV to IR applications. Many custom type coatings and specially sized mounts are available for shipment within days after receipt of an order....
    • Manufacture Stock
    • Manufacture Custom
  • OPCO Laboratory, Inc. - Fitchburg, MAFull service manufacturer of high precision custom optics, optical replication, diffraction gratings, electro-optical assemblies, metallic and dielectric thin-film coatings for prototype and high volume production. State-of-the-art manufacturing, coating, QC, assembly and class 1000 cleanrooms,...
    • Manufacture Custom
  • PFG Precision Optics - Ocean Springs, MSAt PFG Precision Optics our first priority has always focused on advancing technical competence to provide superior optical products to our customers. We produce a broad offering of very high precision spherical and flat optics, together with an extensive variety of durable long lifetime thin film...
    • Manufacture Custom
  • Rainbow Research Optics, Inc. - Centennial, COManufacturer of precision optical components and high-power laser coatings from UV to IR. Supplier of stock and custom optics. Products include lenses, beamsplitters, filters, windows, mirrors, wave plates, large wedges and prisms. In-house coatings include antireflection, high reflection, dichroic...
    • Manufacture Custom
    • Design
  • SCHOTT North America, Inc., Advanced Optics - Duryea, PASCHOTT is a multinational, technology based group developing and manufacturing special glass, specialty materials, components and systems for 130 years to improve how people live and work. SCHOTT Advanced Optics, with its deep technological expertise, is a valuable partner for its customers in...
    • Manufacture Stock
ADDITIONAL COMPANIES

  • TERMS
  • 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.