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.


Beam Splitters

Beam splitter splits the input light into two separate beams with specified ratio of transmission and reflection. The ratio of transmission and reflection is customizable.
Our beam splitter features anti-reflection on the second surface in order to reduce the reflection at a discrete interface (Fresnel reflection).
KUPO Dichroic/ Beam Splitters


● Perfect piece-to-piece, batch-to-batch consistency
● Even transmission of visible light
● Customizable ratio of transmission and reflection

Examples of Applications

● Laser
● Optical Instruments
● Autocue

General Specification

● Spectral Tolerance: Designated average transmission +/-3% in 420~680nm
● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C