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.


Dielectric Mirror

Dielectric mirror is a type of mirror composed of multiple thin layers of dielectric material on the glass substrate. Compared to aluminum mirror, dielectric mirror has better heat resistance and reflective performance. The average reflection rate in visible light region is up to 98%.



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

Examples of Applications

● Bar-code Reader
● Projector System
● Laser Scanner

General Specification

● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C


KUPO Dichroic/ Dielectric Mirror