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Search Results for: Neutral Density (ND) Filters (158)

Can I place ND filters back-to-back and increase optical density?

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Neutral Density Filter (ND)

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Understanding Neutral Density Filters

Neutral Density (ND) Filters are designed to evenly reduce transmission. For more information on specifications and products, read more at Edmund Optics.

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What is an ND Filter?

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What is the difference between using an absorptive ND filter and a reflective ND filter?

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How should I orient my reflective ND or interference filter?

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Is there such a thing as a variable density beamsplitter?

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What types of filters can Edmund Optics® manufacture?

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Trending in Optics: The Future of Optical Filters

New optical filters are being developed due to the advancements in applications and technologies. Learn more about the future of filters at Edmund Optics.

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Ultra-Thin Longpass and Shortpass Filters

Innovative ultra-thin filters provide flexibility, scratch resistance, and durability comparable to most hard oxide coatings. Learn more at Edmund Optics.

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Optical Filters Review

Optical Filters are used to selectively transmit or block certain wavelengths or wavelength ranges within optical systems.

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How are notch filters designed and manufactured?

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What are Ultra-Thin Filters?

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Fluorophores and Optical Filters for Fluorescence Microscopy

Want to know more about fluorophores and optical filters for fluorescence microscopy? Find out more information and in stock optical filters at Edmund Optics.

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Groove Density

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Power Density

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Optical Filters

Do you want to learn about optical filters? Find terminology, fabrication techniques, a selection guide, and application examples at Edmund Optics.

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How are Ultra-Thin Filters manufactured?

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Optical Density (OD)

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How do I clean my filters?

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How can I mount Ultra-Thin Filters?

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How should I clean an Ultra-Thin Filters?

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Does Edmund Optics® offer filters made from thin, flexible materials?

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What do spatial filters do and how do I use them?

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What is the easiest way to customize the size of an Ultra-Thin Filters?

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Manipulating Wavebands: Color & Filters

Nick Sischka explains why color consideration and illumination are so important for machine vision in this hands-on demonstration from the Edmund Optics 2021 Imaging Innovation Summit.

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How do I use high performance laser line bandpass and laser line longpass filters as pairs in raman spectroscopy?

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Laser Power Density versus Energy Density

Power density, energy density, fluence, and irradiance are often incorrectly used in laser optics applications. Learn the correct definitions and usage.

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Machine Vision Filter Technology

While working with machine vision, there are different types of filters that can be used to alter the image. Find out about the different types at Edmund Optics.

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What are Ultra-Thin Filters?

How are ultra-thin filters different from standard optical filters? Discover the unique features and capabilties of ultra-thin filters at Edmund Optics.

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