Saturable absorption in detonation nanodiamond dispersions

被引：7

作者：

Vanyukov, Viatcheslav ^{[1
,2
]}

Mikheev, Gennady ^{[3
]}

Mogileva, Tatyana ^{[3
]}

Puzyr, Alexey ^{[4
]}

Bondar, Vladimir ^{[4
]}

Lyashenko, Dmitry ^{[5
]}

Chuvilin, Andrey ^{[6
,7
]}

机构：

[1] Univ Eastern Finland, Inst Photon, Joensuu, Finland

[2] Hypermemo Ltd, Joensuu, Finland

[3] Russian Acad Sci, Inst Mech, Izhevsk, Russia

[4] RAS, Krasnoyarsk Sci Ctr SB RAS, Fed Res Ctr, Inst Biophys,Siberian Branch, Krasnoyarsk, Russia

[5] Texas State Univ, San Marcos, TX USA

[6] CIC nanoGUNE Consolider, Donostia San Sebastian, Spain

[7] Ikerbasque, Basque Fdn Sci, Bilbao, Spain

来源：

JOURNAL OF NANOPHOTONICS | 2017年 / 11卷 / 03期

基金：

俄罗斯基础研究基金会; 芬兰科学院;

关键词：

nanomaterials; nonlinear optics; nanodiamonds; saturable absorption; modelocking; NONLINEAR LIGHT-SCATTERING; MODE-LOCKING; OPTICAL-PROPERTIES; PULSE GENERATION; ULTRAFAST LASERS; GRAPHENE; FEMTOSECOND; SUSPENSIONS; PHOTONICS; NANOTUBES;

D O I：

10.1117/1.JNP.11.032506

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).

引用

页数：7

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