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Journal of Nanophotonics

Saturable absorption in detonation nanodiamond dispersions
Author(s): Viatcheslav Vanyukov; Gennady Mikheev; Tatyana Mogileva; Alexey Puzyr; Vladimir Bondar; Dmitry Lyashenko; Andrey Chuvilin
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Paper Abstract

We report on a saturable absorption in aqueous dispersions of nanodiamonds with femtosecond laser pulse excitation at a wavelength of 795 nm. The open aperture Z -scan experiments reveal that in a wide range of nanodiamond particle sizes and concentrations, a light-induced increase of transmittance occurs. The transmittance increase originates from the saturation of light absorption and is associated with a light absorption at 1.5 eV by graphite and dimer chains (Pandey dimer chains). The obtained key nonlinear parameters of nanodiamond dispersions are compared with those of graphene and carbon nanotubes, which are widely used for the mode-locking.

Paper Details

Date Published: 15 February 2017
PDF: 7 pages
J. Nanophoton. 11(3) 032506 doi: 10.1117/1.JNP.11.032506
Published in: Journal of Nanophotonics Volume 11, Issue 3
Show Author Affiliations
Viatcheslav Vanyukov, Univ. of Eastern Finland (Finland)
Hypermemo Ltd. (Finland)
Gennady Mikheev, Institute of Applied Mechanics (Russian Federation)
Tatyana Mogileva, Institute of Applied Mechanics (Russia)
Alexey Puzyr, Institute of Biophysics (Russian Federation)
Vladimir Bondar, Institute of Biophysics (Russian Federation)
Dmitry Lyashenko, Texas State Univ. (United States)
Andrey Chuvilin, CIC nanoGUNE Consolider (Spain)
Basque Foundation for Science (Spain)

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