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IR-Blocking Filters

Optics Balzers' IR-Blocker effectively removes unwanted infrared radiation produced by broadband light sources. A dielectric oxide coating design provides excellent transmission over the entire visible spectrum, without distorting the spectral emission of the light source. Filters can be optimized according to the spectral characteristic of the source and are particularly well suited for use in applications with high thermal loads.


Calflex™ Heat Protection Filters

Some designs of entertainment, medical, and architectural lights require additional heat reduction. In entertainment lighting, infrared filtering keeps performers in the spotlight as cool as possible. Optics Balzers’ Calflex™ filters reflect infrared radiation while transmitting visible light and allow for varying emission behaviors of different light sources. Calflex™ filters allow maximum transmission in the visible waveband without changing the colorimetric characteristics of the light source.