Paper
22 October 2004 Thin-film optical filters for spatial frequencies
Ivan Moreno, J. Jesus Araiza
Author Affiliations +
Abstract
Thin-film optical filters selectively absorb, transmit and reflect certain parts of the electromagnetic spectrum. We propose and analyze a new concept of thin-film filter that directly and selectively transmits and reflects certain parts of the spectrum of spatial frequencies. The transmittance and reflectance are short-pass functions or long-pass functions of the angle of incidence. We discuss optical filters designed with dielectric thin films between two right angle prisms to selectively cancel a reflected or transmitted plane wave front for different angles of incidence. A detailed analysis of these optical filters with respect to the index of refraction of the films and prisms, width of films, and polarization of light is presented. Applications on extrasolar planet detection are briefly discussed.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ivan Moreno and J. Jesus Araiza "Thin-film optical filters for spatial frequencies", Proc. SPIE 5524, Novel Optical Systems Design and Optimization VII, (22 October 2004); https://doi.org/10.1117/12.560045
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Cited by 4 scholarly publications.
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KEYWORDS
Prisms

Reflectivity

Thin films

Transmittance

Optical filters

Spatial frequencies

Spatial filters

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