About us

KUPO Optics was founded in 1992, aiming at offering the finest quality of optical coatings and filters. Thanks to uncompromising to the product criteria, we have been established an excellent reputation in professional optical filter industry.


Cold Mirrors

Cold mirror reflects a great amount of visible light and let near infrared go through. It is a multiple-layer coating that separates visible light and near infrared.
KUPO Dichroic/ Cold Mirrors


● Perfect piece-to-piece, batch-to-batch consistency
● Excellent visible light transmission
● Visible light reflection

Examples of Applications

● Medical Illumination
● Surveillance Camera
● Reflector
● Scanner

General Specification

● Spectral Tolerance: +/- 10nm at designated wavelength
● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C