Abstract
A method was described previously that permits the systematic design of optical multilayer coatings with arbitrary spectral characteristics defined for two widely separated spectral regions. It is shown here that this method, based on the use of buffer layers, can be adapted to permit the specification of performance in more than two wavelength ranges. Examples are given of coatings designed for three and four spectral regions. The limitations of the method are discussed.
© 1995 Optical Society of America
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