Electrically controllable polarization-assisted superresolution with radial birefringent filter

Jiming Wang; Liren Liu; De'an Liu; Maojin Yun; Yu Zhou

doi:10.1117/12.612718

18 August 2005 Electrically controllable polarization-assisted superresolution with radial birefringent filter

Jiming Wang, Liren Liu, De'an Liu, Maojin Yun, Yu Zhou

Proceedings Volume 5888, Polarization Science and Remote Sensing II; 58881A (2005) https://doi.org/10.1117/12.612718
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

An electrically controllable radial birefringent pupil filter is proposed in this paper. It consists of two polarizers and an improved electrically controllable optical azimuth rotator which has two λ/4 retarders, one electro-optical element and one radial birefringent crystal. Evolution and distribution of polarization states of this pupil filter is discussed. The most interesting and useful advantage of such a structure is that characteristic of intensity distribution near focus can be obtained merely controlling the applied-voltage for optimal electrical inductive phase difference Γ of the electro-optical element and azimuth angle of radial birefringent crystal. And the Γ zones are given where transverse superresolution and extended focal depth or focal shift can simultaneously be obtained.

Citation Download Citation

Jiming Wang, Liren Liu, De'an Liu, Maojin Yun, and Yu Zhou "Electrically controllable polarization-assisted superresolution with radial birefringent filter", Proc. SPIE 5888, Polarization Science and Remote Sensing II, 58881A (18 August 2005); https://doi.org/10.1117/12.612718

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