The circular Bragg phenomenon
M Faryad, A Lakhtakia - Advances in Optics and Photonics, 2014 - opg.optica.org
Exhibited by structurally chiral materials—such as Reusch piles, cholesteric liquid crystals
(CLCs), and chiral sculptured thin films (STFs)—due to their helical nonhomogeneity along a …
(CLCs), and chiral sculptured thin films (STFs)—due to their helical nonhomogeneity along a …
Geometric phase in plane-wave transmission by a dielectric structurally chiral slab with a central phase defect
A Lakhtakia - Physical Review A, 2024 - APS
A slab made of a dielectric structurally chiral medium (DSCM) strongly reflects the cohanded
circularly polarized plane wave, but not the crosshanded circularly polarized plane wave, in …
circularly polarized plane wave, but not the crosshanded circularly polarized plane wave, in …
Modeling chiral sculptured thin films as platforms for surface-plasmonic-polaritonic optical sensing
TG Mackay, A Lakhtakia - IEEE Sensors Journal, 2010 - ieeexplore.ieee.org
Biomimetic nanoengineered metamaterials called chiral sculptured thin films (CSTFs) are
attractive platforms for optical sensing because their porosity, morphology, and optical …
attractive platforms for optical sensing because their porosity, morphology, and optical …
Polarization-universal bandgaps realized with chiral sculptured thin films
RA Fiallo, MW Horn, A Lakhtakia - JOSA B, 2022 - opg.optica.org
Two thin-film structures comprising chiral sculptured thin films (CSTFs) were fabricated to
exploit the circular Bragg phenomenon (CBP) exhibited by CSTFs for realizing polarization …
exploit the circular Bragg phenomenon (CBP) exhibited by CSTFs for realizing polarization …
Nanostructured porous SiO2 films for antireflection coatings
KMA Sobahan, YJ Park, JJ Kim, CK Hwangbo - Optics Communications, 2011 - Elsevier
Thin films with a low refractive index play an important role in optics, optoelectronics, and
microelectronics. In this study, we present nanostructured porous SiO2 films fabricated by …
microelectronics. In this study, we present nanostructured porous SiO2 films fabricated by …
Study of ZrO2 thin films deposited at glancing angle by radio frequency magnetron sputtering under varying substrate rotation
In present work, structural, morphological and optical properties of glancing angle deposited
(GLAD~ 82°) ZrO 2 thin films by RF magnetron sputtering at different substrate rotation (ω) …
(GLAD~ 82°) ZrO 2 thin films by RF magnetron sputtering at different substrate rotation (ω) …
Highly photoresponsive and wavelength-selective circularly-polarized-light detector based on metal-oxides hetero-chiral thin film
A highly efficient circularly-polarized-light detector with excellent wavelength selectivity is
demonstrated with an elegant and simple microelectronics-compatible way. The circularly …
demonstrated with an elegant and simple microelectronics-compatible way. The circularly …
Experimental investigation of circular Bragg phenomenon for oblique incidence
S Erten, A Lakhtakia, GD Barber - JOSA A, 2015 - opg.optica.org
A 20-period-thick chiral sculptured thin film (STF) of zinc selenide was fabricated on a glass
slide by thermal evaporation. A variable-angle spectroscopic system was devised and used …
slide by thermal evaporation. A variable-angle spectroscopic system was devised and used …
Resilience of circular-polarization-state-sensitive reflection against morphological disorder in chiral structures
A Lakhtakia - Journal of Nanophotonics, 2024 - spiedigitallibrary.org
Morphological disorder is commonplace in bioworld structures, as exemplified by the
layered helical structures in the exocuticle in many beetle species. Circular-polarization …
layered helical structures in the exocuticle in many beetle species. Circular-polarization …