Abstract
A well known antireflection (AR) coating for an air (na)–glass (ng) interface and normally incident light is constructed by depositing a quarter-wave of a high index material (nH) followed by a quarter-wave of a low index material (nL).1 In this presentation we expand the scope of the AR coating so that it is antireflecting for one linear polarization which we designate p, but gives a reflectance of a few percent for the mutually perpendicular s polarization. Potential applications of the anisotropic antireflection (AAR) coating2 include polarization-selection devices for lasers, replacing the Brewster-angle plate which requires considerable space in an optical cavity.
© 1998 Optical Society of America
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