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In laser applications it is very important to achieve reflection as high as possible over very narrow bandwidth but over wide angular cone.
Very high reflection together with proper choice of film and substrate materials, coating design, coating parameters, and substrate cleanliness and surface quality guaranty a very high laser induced damage threshold.

This plot shows a spectral performance of a high power laser mirror design that operates @ 266, 633, & 1064 nm @ 45º

266, 633, 1064nm show no laser-induced damage when exposed to 10 MW/cm² power density of CW laser. Several of our laser line mirrors designed to operate within 1030 and 1310 range passed tests with 10 J/cm² @ 3 ns pulsewidth and repetition rates of up to 300 Hz (or 300 pulses-per-second). In our standard production we have a number of single, dual and multiple band HR coatings.