Third- and second-harmonic generation microscopy of individual metal nanocones using cylindrical vector beams

Godofredo Bautista; Mikko J. Huttunen; Juha M. Kontio; Janne Simonen; Martti Kauranen

doi:10.1364/OE.21.021918

Third- and second-harmonic generation microscopy of individual metal nanocones using cylindrical vector beams

Godofredo Bautista, Mikko J. Huttunen, Juha M. Kontio, Janne Simonen, Martti Kauranen

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Abstract

We demonstrate third- (THG) and second-harmonic generation (SHG) microscopy of individual silver nanocones using tightly focused cylindrical vector beams (CVBs). Although THG is expected to be a weaker process than SHG, the yield for THG with radial polarization was higher than for SHG. We also found an excellent correlation between the imaging properties of THG and SHG, suggesting that both are governed by the same overall features of the individual nanocone. We also found that the transverse spatial resolution of THG with CVBs, particularly RP, exceeds that of SHG. Our work establishes the potential of THG microscopy with CVBs for structure-sensitive imaging of three-dimensional (3D) metal nano-objects.

Translated title of the contribution	Third- and second-harmonic generation microscopy of individual metal nanocones using cylindrical vector beams
Original language	English
Pages (from-to)	21918-21923
Number of pages	6
Journal	Optics Express
Volume	21
Issue number	19
DOIs	https://doi.org/10.1364/OE.21.021918
Publication status	Published - 10 Sept 2013
Publication type	A1 Journal article-refereed

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abstract = "We demonstrate third- (THG) and second-harmonic generation (SHG) microscopy of individual silver nanocones using tightly focused cylindrical vector beams (CVBs). Although THG is expected to be a weaker process than SHG, the yield for THG with radial polarization was higher than for SHG. We also found an excellent correlation between the imaging properties of THG and SHG, suggesting that both are governed by the same overall features of the individual nanocone. We also found that the transverse spatial resolution of THG with CVBs, particularly RP, exceeds that of SHG. Our work establishes the potential of THG microscopy with CVBs for structure-sensitive imaging of three-dimensional (3D) metal nano-objects.",

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T1 - Third- and second-harmonic generation microscopy of individual metal nanocones using cylindrical vector beams

AU - Bautista, Godofredo

AU - Huttunen, Mikko J.

AU - Kontio, Juha M.

AU - Simonen, Janne

AU - Kauranen, Martti

N1 - Contribution: organisation=fys,FACT1=0.6 Contribution: organisation=orc,FACT2=0.4 Portfolio EDEND: 2013-10-29 Publisher name: Optical Society of America

PY - 2013/9/10

Y1 - 2013/9/10

N2 - We demonstrate third- (THG) and second-harmonic generation (SHG) microscopy of individual silver nanocones using tightly focused cylindrical vector beams (CVBs). Although THG is expected to be a weaker process than SHG, the yield for THG with radial polarization was higher than for SHG. We also found an excellent correlation between the imaging properties of THG and SHG, suggesting that both are governed by the same overall features of the individual nanocone. We also found that the transverse spatial resolution of THG with CVBs, particularly RP, exceeds that of SHG. Our work establishes the potential of THG microscopy with CVBs for structure-sensitive imaging of three-dimensional (3D) metal nano-objects.

AB - We demonstrate third- (THG) and second-harmonic generation (SHG) microscopy of individual silver nanocones using tightly focused cylindrical vector beams (CVBs). Although THG is expected to be a weaker process than SHG, the yield for THG with radial polarization was higher than for SHG. We also found an excellent correlation between the imaging properties of THG and SHG, suggesting that both are governed by the same overall features of the individual nanocone. We also found that the transverse spatial resolution of THG with CVBs, particularly RP, exceeds that of SHG. Our work establishes the potential of THG microscopy with CVBs for structure-sensitive imaging of three-dimensional (3D) metal nano-objects.

U2 - 10.1364/OE.21.021918

DO - 10.1364/OE.21.021918

M3 - Article

SN - 1094-4087

VL - 21

SP - 21918

EP - 21923

JO - Optics Express

JF - Optics Express

IS - 19

ER -

Third- and second-harmonic generation microscopy of individual metal nanocones using cylindrical vector beams

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