We study the scattering of pulsed optical beams from chiral sculptured thin films (STFs). The spatiotemporal anatomy of the circular Bragg phenomenon (CBP) exhibited by chiral STFs is examined in two spatial dimensions, and we comment on its implications for pulsed beam shaping by STF-based devices.
Effects of dispersion and dissipation on the optical rotation and ellipticity of chiral sculptured thin films
โ Scribed by Babaei, Ferydon
- Book ID
- 121408081
- Publisher
- Taylor and Francis Group
- Year
- 2011
- Tongue
- English
- Weight
- 562 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0950-0340
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The transmission and reflection spectra from a right-handed chiral sculptured zirconia thin film are calculated using the piecewise homogeneity approximation method and the Bruggeman homogenization formalism using both dispersive and non-dispersive functions for axial and non-axial states. The compa
## Abstract The Bragg wavelength regime of an axially excited, chiral sculptured thin film is shown to contain resonances of electric, magnetic, and mixed types. The resonance wavelengths initially change rapidly, but later stabilize, with respect to the film thickness. The center wavelength of the