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Optical Filter Coatings: Comparison of Traditional and Hard-Sputtered

Confused about the differences between traditional-coated and hard-coated optical filters? Join Monica Rainey, Optical Engineer, as she reviews fabrication techniques and benefits of these two filter coating types. To learn more about optical filter coatings and other optical coatings, read our An Introduction to Optical Coatings application note.


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Need bandpass interference, notch, edge, dichroic, color substrate, or ND filters? We cover the spectrum from UV, visible, and NIR to mid- and long-wave IR wavelengths.

Learn the advantages of hard coatings compared to soft coating with this application note.

Coatings control the reflection and transmission of light through the mechanism of optical interference. We'll teach you the basics to help you choose the right coating for your next application.

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