Special Section on Nanocarbon Photonics and Optoelectronics

Saturable absorption in detonation nanodiamond dispersions

[+] Author Affiliations
Viatcheslav Vanyukov

University of Eastern Finland, Institute of Photonics, Joensuu, Finland

Hypermemo Ltd., Joensuu, Finland

Gennady Mikheev, Tatyana Mogileva

Russian Academy of Sciences, Institute of Mechanics, Izhevsk, Russia

Alexey Puzyr, Vladimir Bondar

Federal Research Center “Krasnoyarsk Science Center SB RAS,” Institute of Biophysics, Siberian Branch of RAS, Krasnoyarsk, Russia

Dmitry Lyashenko

Texas State University, San Marcos, Texas, United States

Andrey Chuvilin

CIC nanoGUNE Consolider, Donostia–San Sebastián, Spain

Basque Foundation for Science, Ikerbasque, Bilbao, Spain

J. Nanophoton. 11(3), 032506 (Feb 15, 2017). doi:10.1117/1.JNP.11.032506
History: Received November 6, 2016; Accepted January 20, 2017
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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.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Viatcheslav Vanyukov ; Gennady Mikheev ; Tatyana Mogileva ; Alexey Puzyr ; Vladimir Bondar, et al.
"Saturable absorption in detonation nanodiamond dispersions", J. Nanophoton. 11(3), 032506 (Feb 15, 2017). ; http://dx.doi.org/10.1117/1.JNP.11.032506


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