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29 March 2024 |
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Article overview
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Midinfrared Third Harmonic Generation from Macroscopically Aligned Ultralong Single-Wall Carbon Nanotubes | D. T. Morris
; C. L. Pint
; R. S. Arvidson
; A. Luttge
; R. H. Hauge
; A. A. Belyanin
; G. L. Woods
; J. Kono
; | Date: |
21 Jan 2013 | Abstract: | We report the observation of strong third harmonic generation from a
macroscopic array of aligned ultralong single-wall carbon nanotubes (SWCNTs)
with intense midinfrared radiation. Through power-dependent experiments, we
determined the absolute value of the third-order nonlinear optical
susceptibility, $chi^{(3)}$, of our SWCNT film to be 5.53 $ imes$ 10$^{-12}$
esu, three orders of magnitude larger than that of the fused silica reference
we used. Taking account of the filling factor of 8.75% for our SWCNT film, we
estimate a $chi^{(3)}$ of 6.32 $ imes$ 10$^{-11}$ esu for a fully dense film.
Furthermore, through polarization-dependent experiments, we extracted all the
nonzero elements of the $chi^{(3)}$ tensor, determining the magnitude of the
weaker tensor elements to be $sim$1/6 of that of the dominant
$chi^{(3)}_{zzzz}$ component. | Source: | arXiv, 1301.4825 | Services: | Forum | Review | PDF | Favorites |
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