Theoretical and experimental study of aperture size effects on the polarization sensitivity of near-field microscopy fiber-optic probes

S. A. Degtyarev; S. N. Khonina; S. V. Alferov; S. V. Karpeev

doi:10.1117/12.2054204

4 April 2014 Theoretical and experimental study of aperture size effects on the polarization sensitivity of near-field microscopy fiber-optic probes

S. A. Degtyarev, S. N. Khonina, S. V. Alferov, S. V. Karpeev

Author Affiliations +

Proceedings Volume 9156, Optical Technologies for Telecommunications 2013; 915608 (2014) https://doi.org/10.1117/12.2054204
Event: Optical Technologies for Telecommunications 2013, 2013, Samara, Russian Federation

Abstract

We conduct a theoretical and experimental study of the distribution of the electric field components in the focal plane when rotating a zone plate with a π- phase jump placed in the focused beam. By comparison of the theoretical and experimental results, the analysis of the polarization sensitivity of different types of metal-coated aperture probes is conducted. It is demonstrated that with increasing diameter of the non-metal-coated tip part there occurs an essential redistribution of sensitivity in favor of the transverse electric field components and the increase of the probe’s energy throughput. We obtain that the probe response is similar to the transverse component of electric field in the case of Gaussian beam focusing however in the case of Hermite-Gaussian beam focusing the probe response is similar to gradient of electric longitudinal component.

Citation Download Citation

S. A. Degtyarev, S. N. Khonina, S. V. Alferov, and S. V. Karpeev "Theoretical and experimental study of aperture size effects on the polarization sensitivity of near-field microscopy fiber-optic probes", Proc. SPIE 9156, Optical Technologies for Telecommunications 2013, 915608 (4 April 2014); https://doi.org/10.1117/12.2054204

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