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Home /  Support Center /  Knowledge Base /  Ultraviolet (fluorescence, blacklights) /  Materials that allow UV to pass through

Materials that allow UV to pass through


I am building a custom UV LED lamp housing, and I need to allow both the 395 and 365nm UV wavelengths to pass through without any absorption. It appears that most of the polycarbonate materials on the market will absorb these wavelengths and will not work for me. Do you have any recommendations?

UV transmission is indeed a bit challenging, as many materials are engineered primarily for transmittance of visible wavelengths only. As you mention, polycarbonate will almost always be a poor option if UV transmittance is desired as UV absorption is a fundamental property of many plastic materials.

Many commercial glass materials will also absorb a significant amount of UV-A wavelengths, but we are aware of some "quartz glass" materials which are commonly known to have a high rate of UV transmission. We unfortunately do not have any test data or additional solutions at this time, but this may be a viable avenue for exploration.


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Ultraviolet (fluorescence, blacklights)


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