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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Photonics Nanostruct. 2015 Aug;16:24–33. doi: 10.1016/j.photonics.2015.08.001

Figure 1.

Figure 1

Perturbation-theory calculations for the elliptic-tube model: (1) 3.0 nm wall thickness, 5 nm internal radius, 10.0 µm channel length, 34700 cm−1 energy of the incident EMF radiation; (2) 4.0 nm wall thickness, 5 nm internal radius, 10.0 µm channel length, 19500 cm−1 energy of the incident EMF radiation.