Singular phase elements as detectors for different polarizations

S. N. Khonina; D. A. Savelyev; N. L. Kazansky; V. A. Soifer

doi:10.1117/12.2049001

17 December 2013 Singular phase elements as detectors for different polarizations

S. N. Khonina, D. A. Savelyev, N. L. Kazansky, V. A. Soifer

Proceedings Volume 9066, Eleventh International Conference on Correlation Optics; 90660A (2013) https://doi.org/10.1117/12.2049001
Event: Eleventh International Conference on Correlation Optics, 2013, Chernivsti, Ukraine

Abstract

We investigate a possibility to detect the polarization state of the focused incident beam using singular phase elements, which complex transmission function can be described as a superposition of optical vortices. It is analytically and numerically shown that just homogeneous (linear and circular) and cylindrical (radial and azimuthal) types of polarization may be distinguish in a low numerical aperture (NA) mode. Sharp focusing should be used to recognize a polarization state in more detail. Thus, the higher the degree of focusing, the more confidently is carried out detecting of the polarization state of an incident beam. We have shown that the diffractive axicon provides sharper focusing then aplanatic lens with the same NA.

Citation Download Citation

S. N. Khonina, D. A. Savelyev, N. L. Kazansky, and V. A. Soifer "Singular phase elements as detectors for different polarizations", Proc. SPIE 9066, Eleventh International Conference on Correlation Optics, 90660A (17 December 2013); https://doi.org/10.1117/12.2049001

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