Two- and three-photon absorption in chemical vapor deposition diamond

被引：21

作者：

Kozak, Martin ^{[1
]}

Trojanek, Frantisek ^{[1
]}

Dzurnak, Branislav ^{[1
]}

Maly, Petr ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, CZ-12116 Prague 2, Czech Republic

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2012年 / 29卷 / 05期

关键词：

2-PHOTON ABSORPTION; OPTICAL NONLINEARITIES; SPECTRA; DISPERSION; GAP; ZNO;

D O I：

10.1364/JOSAB.29.001141

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the nonlinear optical properties (absorption and refraction) of monocrystalline chemical vapor deposition diamond studied by photoluminescence and Z-scan measurements. The studied spectral interval 2.8-6.2 eV can be divided into three regions in which the one-, two-and three-photon absorption (1PA, 2PA, 3PA) dominate. We obtained the values of 2PA and 3PA coefficients of diamond (alpha(2) = 0.9 cm/GW at 4 eV and alpha 3 = 2.3x10(-4) cm(3)/GW(2) at 3.1 eV) and of the nonlinear refractive index (8x10(-7) cm(2)/GW at 2.9 eV) for several irradiation photon energies. We interpret the measured spectral dependence of nonlinear absorption coefficients in terms of direct and indirect multiphoton absorption. (C) 2012 Optical Society of America

引用

页码：1141 / 1145

页数：5

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