Optical filters selectively transmit light with certain properties, while simultaneously blocking the remaining light. Filters are used in various applications for color separation, in but not limited to, CCD imaging, machine vision, digital projection, and photographic applications. PSG offers a complete variety of Optical Filters and Filter coatings.




Filter Types                                                                 

Laser Line Bandpass

Narrow Bandpass

Short and Long Wavepass

Colored Glass


Neutral Density

Absorbing Neutral Density

Hot and Cold Mirrors


Material Types

Colored Glass


Fused Silica

Most Optical Crown & Flint Glasses