Design of periodic structures made of columnar and sculptured thin films

Francesco Chiadini; Vincenzo Fiumara; Akhlesh Lakhtakia; Antonio Scaglione

doi:10.1117/12.562678

2 August 2004 Design of periodic structures made of columnar and sculptured thin films

Francesco Chiadini, Vincenzo Fiumara, Akhlesh Lakhtakia, Antonio Scaglione

Proceedings Volume 5508, Complex Mediums V: Light and Complexity; (2004) https://doi.org/10.1117/12.562678
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

A design paradigm for Bragg multilayers made of columnar thin films (CTFs) is provided approximating both the ordinary and extraordinary refractive indexes of CTFs as Gaussian functions of the vapor incidence angle. Furthermore, we use a quadratic approximation of the same two quantities to design a cascade of chiral sculptured thin films (STFs) with successive pitches forming a geometric series to function as a wideband circular polarization filter.

Citation Download Citation

Francesco Chiadini, Vincenzo Fiumara, Akhlesh Lakhtakia, and Antonio Scaglione "Design of periodic structures made of columnar and sculptured thin films", Proc. SPIE 5508, Complex Mediums V: Light and Complexity, (2 August 2004); https://doi.org/10.1117/12.562678

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