Near-field circular polarization probed by chiral polyfluorene

Optics Letters
Matteo SavoiniMarco Finazzi

Abstract

We demonstrate that a high degree of circular polarization can be delivered to the near field (NF) of an aperture at the apex of hollow-pyramid probes for scanning optical microscopy. This result is achieved by analyzing the dichroic properties of an annealed thin polymer film containing a chiral polyfluorene derivative, placed in close proximity to the optical probe. We also prove that the degree of circular polarization in the probe NF does not depend in a significant way on the shape of the aperture, at variance with the far-field behavior. These results demonstrate the feasibility of nano-optics applications exploiting circularly polarized NFs.

References

Jun 5, 2001·Journal of Microscopy·D J ShinY H Lee
Nov 4, 2006·Science·Ruthanne HasseyMichael D Barnes
Apr 20, 2007·The Journal of Physical Chemistry. B·Girish LakhwaniRené A J Janssen
Mar 14, 2009·Optics Letters·Matteo SavoiniMarco Finazzi
May 15, 2009·The Journal of Physical Chemistry. a·Yiqiao TangAdam E Cohen
Aug 8, 2009·Physical Review Letters·P BiagioniB Hecht

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Citations

Feb 11, 2015·Physical Chemistry Chemical Physics : PCCP·Hiromi OkamotoKohei Imura
May 1, 2012·Physical Review Letters·A R KhorsandTh Rasing
Feb 5, 2013·Reports on Progress in Physics·Andrei KirilyukTheo Rasing
Jul 12, 2013·Physical Chemistry Chemical Physics : PCCP·Tetsuya Narushima, Hiromi Okamoto
Mar 15, 2012·Journal of the American Chemical Society·Matteo SavoiniMarco Finazzi

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