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Edmund Optics®

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 Verified library of trusted technical resources created by our 240+ global engineers.

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Application Note

An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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Application Note

Multiphoton Microscopy

Multiphoton microscopy is ideal for capturing high-resolution 3D images with reduced photobleaching and phototoxicity compared to confocal microscopy.

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Application Note

Confocal Microscopy

Confocal microscopy provides high resolution, elimination of out-of-focus glare due to spatial filtering, and reduction of light-induced damage to the sample.

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FAQ

What happens when a filter is tilted?

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FAQ

When should I use an IR cut filter and when should I use heat absorbing glass?

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FAQ

What is an ND Filter?

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FAQ

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

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FAQ

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

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FAQ

How do I select the right filter for my application?

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FAQ

What happens when an optical filter is tilted?

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Glossary term

Cold Mirror

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Glossary term

Continuously Variable Apodizing Filter

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Glossary term

Dichroic Filter

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Glossary term

Fluorescent Filter

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Glossary term

Heat Absorbing Glass

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Glossary term

Hot Mirror

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Glossary term

Neutral Density Filter (ND)

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Glossary term

Shortpass Filter

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Glossary term

Stopband

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Glossary term

WRATTEN Filter

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Published Article

Selecting Color Filter Glass for Life Science Applications

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Application Note

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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Application Note

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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Application Note

Optical Filter Orientation

Unsure which side of your filter should face the light source? Learn how to determine the filter orientation of your TECHSPEC filter at Edmund Optics.

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FAQ

How do I select a filter for my application?

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FAQ

What type of material should I look for in a filter?

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FAQ

Which type of colored filter is best for my imaging application?

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FAQ

How should I orient my reflective ND or interference filter?

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FAQ

How do I determine which side of my filter is coated?

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FAQ

How do I clean my filters?

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