Empirical Model of Optical Sensing via Spectral Shift of Circular Bragg Phenomenon
Empirical Model of Optical Sensing via Spectral Shift of Circular Bragg Phenomenon
Setting up an empirical model of optical sensing to exploit the circular Bragg phenomenon displayed by chiral sculptured thin films (CSTFs), we considered a CSTF with and without a central twist defect of =2 rad.The circular Bragg phenomenon of the defectfree CSTF and the spectral hole in the copolarized reflectance …