Complex sentence: By manipulating the exact thickness and composition of the layers in the reflective stack, the coating can be designed as a long-or short-pass filter, a bandpass or notch filter, or a mirror with a specific reflectivity (useful in lasers).
Split into simpler sentences: By manipulating the exact thickness and composition of the layers in the reflective stack, the reflection characteristics can be tuned to a particular application. The coating can be designed as a long-or short-pass filter, a bandpass or notch filter, or a mirror with a specific reflectivity (useful in lasers).