Abstract

We investigated the effects of detection angle and substrate in the analysis of the polarization properties of 1D dipole emission. Modifications were made to the analytical expression of dipole emission using transformation of coordinates. The consequences of different substrates (free space, dielectric substrate, and metallic substrate) and detection angle on the determination of dipole orientation were discussed. This work is helpful in analyzing the dipole emission signal, especially where an oblique detection angle is necessary such as in near-field optical spectroscopy based on scanning tunneling microscopy and atomic force microscopy.

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