Abstract
A coded aperture full-Stokes imaging spectropolarimeter (CAFIS) based on a combination of coded aperture spectral imager and polarization spectrum modulation is demonstrated. The CAFIS uses a rotatable retarder and a rotatable polarizer as polarization spectrum modulation components to modulate the polarization information on the spectrum first, then the CAFIS achieves aperture coding with a digital micromirror device (DMD). After passing through a dispersive element, the coded polarization modulated spectral images are recorded by a CCD camera. The polarization modulated spectral images with the camera’s intrinsic spatial resolution are estimated with sparsity-constrained optimization from the acquired images, and the full-Stokes spectral images are computed by the demodulation algorithm. The principle and feasibility are verified via simulations. The relationship between the configuration of polarization spectrum modulation components and the reconstruction quality is investigated in this paper as well.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
