Ultra Narrow Bandpass Filter Applications: Engineering Guide
An ultra narrow bandpass filter is used when an optical system needs to transmit a tightly defined wavelength region while strongly attenuating light outside that…
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Day: September 8, 2026
Protected Aluminum vs Enhanced Aluminum Mirror Coatings
Protected aluminum and enhanced aluminum start from the same vacuum-deposited aluminum film. The difference is what goes on top: protected aluminum adds a single dielectric…
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