Open AccessCircular polarization analyzer based on an Archimedean nano-pinholes array
Author(s) -
Jingran Zhang,
Zhongyi Guo,
Keya Zhou,
Lingling Ran,
Lingling Zhu,
Wei Wang,
Yongxuan Sun,
Fei Shen,
Jun Gao,
Shutian Liu
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.030523
Subject(s) - optics , circular polarization , spectrum analyzer , polarization (electrochemistry) , polarimetry , spiral (railway) , wavelength , broadband , circular buffer , physics , materials science , nano , scattering , mathematical analysis , chemistry , mathematics , computer science , programming language , microstrip , quantum mechanics
A relative broadband circular polarization analyzer based on a single-turn Archimedean nano-pinholes array has been proposed and investigated systematically from visible spectrum to near infrared region. The spiral arrangement of circular nano-pinholes can implement spatially separated fields according to the relationship between the spiral direction of Archimedean structure and chirality of circularly polarized light (CPL). The enhanced-characteristics mechanisms of the single-turn spirally arranged Archimedean pinholes array have been deduced and investigated by the theoretical analysis and numerical simulation in detail. Different from the single operating wavelength of the spiral slit structure, this novel design also shows a relative wide range of the operating wavelengths in the focusing and defocusing effects. The new proposed circular polarization analyzer could find more extensive applications, such as analyzing the physiological properties of chiral molecules based on circular polarizations, full Stokes-parameter polarimetric imaging applications and so on.