Abstract
The main feature of graded optical coatings is a spatial reflectance profile that displays a maximum value at the coating center and goes toward a minimum along the radius according to a predefined law. A number of other requirements for using graded coatings in the laser field have been added to this basic property during the course of time. After a survey of the conventional properties of graded coatings, these additional characteristics are described, and their influence on the coating design and performance is examined.
© 1996 Optical Society of America
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