Optical Filters

World class optical thin films

Shedding light on optical thin films from DELTA

Optical filters from DELTA

70 years of experience

DELTA is a world-leading manufacturer of optical thin film coatings with more than sixty years of experience.

In the 1960s, DELTA pioneered optical monitoring techniques to control deposition.

With its unique and advanced optimisation software to match customers' particular optical specifications, DELTA ensures a fast and efficient design process