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.



Glass substrate is the most fundamental and critical material for making optical filter. To ensure the quality and meet the customer’s requirement, we use high-quality optical grade glass substrate to produce filters.
KUPO Dichroic/ Master of Wavelength Control

Borofloat Glass

● Thickness: 1.1mm, 2.0mm, 3.3mm, 3.8mm
● Heat Resistance: Up to 450℃

Sodalime Glass

● Thickness: 1.1mm, 2.1mm, 2.9mm
● Heat Resistance: Up to 150℃

Borosilicate Glass (D263T)

● Thickness: 0.21mm, 0.3mm, 0.55mm
● Heat Resistance: Up to 450℃

Corning Eagle XG

● Thickness: 0.7mm, 1.1mm
● Heat Resistance: Up to 450℃