Abstract
We have studied the possibility of creating a new type of the interferometric near-field pinhole probe for near-field optical microscopy systems based on a Fabry-Perot fiber microresonator with a nanodimensional pinhole in one of its output mirrors. The dependence of the resonance wavelength shift in the Fabry-Perot interferometer on the distance from the output diaphragm to the object has been determined using the finite-difference method in the time domain. It is shown that the proposed technique ensures a spatial resolution of no worse than λ/15.
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Original Russian Text © Yu.N. Kul’chin, O.B. Vitrik, A.V. Bezverbnyi, A.V. Dyshlyuk, A.A. Kuchmizhak, 2010, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 36, No. 13, pp. 31–37.
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Kul’chin, Y.N., Vitrik, O.B., Bezverbnyi, A.V. et al. Interferometric probe for near-field optical microscopy systems. Tech. Phys. Lett. 36, 599–601 (2010). https://doi.org/10.1134/S1063785010070059
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DOI: https://doi.org/10.1134/S1063785010070059