Mechano-optical modulation and optical limiting by multiwall carbon nanotubes

An optical limiting effect in multiwall carbon nanotubes was modulated by using a two-wave mixing experiment assisted with a mechanical actuator. We employed a 532 nm wavelength and 1 ns pulse duration for exciting the nonlinear optical absorption. The nanotubes were prepared by an aerosol pyrolysis...

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Bibliographic Details
Published in:Journal of modern optics 2013-09, Vol.60 (16), p.1321-1326
Main Authors: Feria-Reyes, E., Torres-Torres, C., Martínez-Gutiérrez, H., Morales-Bonilla, S., Torres-Martínez, R., Trejo-Valdez, M., Urriolagoitia-Calderón, G.
Format: Article
Language:English
Subjects:
Aerosols
Carbon
carbon nanotubes
Interferometry
Mechanical properties
Nanotubes
nonlinear optics
Optical properties
Thin films
two-photon absorption
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Summary:An optical limiting effect in multiwall carbon nanotubes was modulated by using a two-wave mixing experiment assisted with a mechanical actuator. We employed a 532 nm wavelength and 1 ns pulse duration for exciting the nonlinear optical absorption. The nanotubes were prepared by an aerosol pyrolysis method. The resulting samples were deposited on a pure silica substrate as an inhomogeneous thin film. The mechano-optical modulation was obtained by the orthogonal rotation of the sample with respect to the probe beam. In addition, low-irradiance patterns provided by a Michelson optical interferometer allowed us to comparatively corroborate the mechano-optical effect induced by the rotation of the film.
ISSN:0950-0340
1362-3044
DOI:10.1080/09500340.2013.837978