Z-scan investigation to evaluate the third-order nonlinear optical properties of cauliflower-like VS2 structures

被引：13

作者：

Parishani, Marziyeh ^{[1
]}

Nadafan, Marzieh ^{[2
]}

Malekfar, Rasoul ^{[1
]}

机构：

[1] Tarbiat Modares Univ, Fac Basic Sci, Dept Phys, Tehran, Iran

[2] Shahid Rajaee Teacher Training Univ, Fac Sci, Dept Phys, Tehran, Iran

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2021年 / 38卷 / 05期

关键词：

ULTRAFAST SATURABLE ABSORPTION; MOS2; NANOSHEETS; MONOLAYER MOS2; BROAD-BAND; WS2; DISULFIDE; ABSORBER;

D O I：

10.1364/JOSAB.418182

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

VS2 was prepared via the hydrothermal method and changing the reaction time and employing surfactant. The microstructural characterizations show the control of sheet dimensions and growth of crystal planes. The Z-scan study demonstrates the positive nonlinear n(2) due to the self-focusing effect and the two-photon absorption for nonlinear absorption. These results imply the effect of lateral dimensions of sheets in cauliflower-like structures on nonlinear optical responses. Also, the nonlinear optical susceptibility chi((3)) is as high as 10(-10) (esu). This study shows that the VS2 flower-like structure and its similar nanostructures are promising materials for nonlinear optical applications and further considerations. (C) 2021 Optical Society of America

引用

页码：1586 / 1592

页数：7

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