Measurement of photonic nanojet generated by square-profile microstep

S. S. Stafeev; V. V. Kotlyar

doi:10.1117/12.2180011

19 March 2015 Measurement of photonic nanojet generated by square-profile microstep

S. S. Stafeev, V. V. Kotlyar

Proceedings Volume 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics; 94482C (2015) https://doi.org/10.1117/12.2180011
Event: Saratov Fall Meeting 2014, 2014, Saratov, Russian Federation

Abstract

It was numerically and experimentally shown that square-profile microsteps with width of 0.4 μm, 0.5 μm, 0.6 μm, 0.8 μm and height of 500 nm illuminated by linearly polarized laser light with wavelength λ = 633 nm formed near its’ surface photonic nanojets with intensity that is 6 times higher than the intensity of incident light. Experimentally measured diameters of photonic nanojets were equal to 0.44λ, 0.43λ, 0.39λ and 0.47λ (less than the diffraction limit 0.51λ).

Citation Download Citation

S. S. Stafeev and V. V. Kotlyar "Measurement of photonic nanojet generated by square-profile microstep", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 94482C (19 March 2015); https://doi.org/10.1117/12.2180011

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