Periodically perturbed chiral sculptured thin films

John A. Polo Jr.; Akhlesh Lakhtakia

doi:10.1117/12.558248

2 August 2004 Periodically perturbed chiral sculptured thin films

John A. Polo Jr., Akhlesh Lakhtakia

Proceedings Volume 5509, Nanomodeling; (2004) https://doi.org/10.1117/12.558248
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The piecewise homogeneity approximation is used to investigate the optical response of chiral sculptured thin films with perturbations in the angle of rise. Changes in the reflectances and transmittances of normally incident, circularly polarized light are calculated for both sinusoidal and step perturbations for a range of wavelengths, using experimentally determined material parameters. The feasibility of using a single manufacturing process to fabricate a normal dielectric mirror as well as a selective circular Bragg effect mirror is demonstrated.

Citation Download Citation

John A. Polo Jr. and Akhlesh Lakhtakia "Periodically perturbed chiral sculptured thin films", Proc. SPIE 5509, Nanomodeling, (2 August 2004); https://doi.org/10.1117/12.558248

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KEYWORDS

Modulation

Mirrors

Thin films

Lawrencium

Reflectivity

Dielectric mirrors

Dielectric polarization

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