Nonlinear absorption properties of ZnO and Al doped ZnO thin films under continuous and pulsed modes of operations

被引：45

作者：

Sandeep, K. M. ^{[1
]}

Bhat, Shreesha ^{[1
]}

Dharmaprakash, S. M. ^{[1
]}

机构：

[1] Mangalore Univ, Dept Phys, Mangalagangothri 574199, India

来源：

OPTICS AND LASER TECHNOLOGY | 2018年 / 102卷

关键词：

Thin films; Pulsed mode laser; Continuous wavelength regime; Reverse saturable absorption; Saturable absorption; 3RD HARMONIC-GENERATION; OPTICAL-PROPERTIES; OXIDE-FILMS; NANOPARTICLES; LUMINESCENCE;

D O I：

10.1016/j.optlastec.2017.12.031

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In the present investigation, we present the variations in nonlinear optical (NLO) properties of undoped and Al doped ZnO (AZO) films under two different off-resonant regimes using continuous and pulsed mode lasers. Z-scan open aperture experiment is performed to quantify nonlinear absorption constant and imaginary component of third order susceptibility. Reverse saturable absorption (RSA) and saturable absorption (SA) behaviors are noticed in both undoped and AZO films under pulsed mode and continuous wavelength (CW) regime respectively. The RSA and SA behavior observed in the films are attributed to two photon absorption (TPA) and thermal lensing properties respectively. The thermal lensing is assisted by the thermo-optic effects within the films due to the continuous illumination of the laser. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：147 / 152

页数：6

共 28 条

[1] Third harmonic generation process in Al doped ZnO thin films [J].

Abd-Lefdil, M. ;

Douayar, A. ;

Belayachi, A. ;

Reshak, A. H. ;

Fedorchuk, A. O. ;

Pramodini, S. ;

Poornesh, P. ;

Nagaraja, K. K. ;

Nagaraja, H. S. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2014, 584 :7-12

[2] Anomalous band bowing in pulsed laser deposited MgxZn1-xO films [J].

Agrawal, Arpana ;

Dar, Tanveer Ahmad ;

Phase, D. M. ;

Sen, Pratima .

JOURNAL OF CRYSTAL GROWTH, 2013, 384 :9-12

[3] Enhancement of luminescence in ZnMgO thin-film nanophosphors and application for white light generation [J].

Chawla, Santa ;

Jayanthi, K. ;

Chander, Harish .

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 2008, 205 (02) :271-274

[4] Carrier concentration dependence of optical Kerr nonlinearity in indium tin oxide films [J].

Elim, HI ;

Ji, W ;

Zhu, F .

APPLIED PHYSICS B-LASERS AND OPTICS, 2006, 82 (03) :439-442

[5] Effect of self assembly on the nonlinear optical characteristics of ZnO thin films [J].

Irimpan, Litty ;

Deepthy, A. ;

Krishnan, Bindu ;

Kukreja, L. M. ;

Nampoori, V. P. N. ;

Radhakrishnan, P. .

OPTICS COMMUNICATIONS, 2008, 281 (10) :2938-2943

[6] Fundamentals of zinc oxide as a semiconductor [J].

Janotti, Anderson ;

Van de Walle, Chris G. .

REPORTS ON PROGRESS IN PHYSICS, 2009, 72 (12)

[7] Structural; morphological; optical and magnetic properties of Mn doped ferromagnetic ZnO thin film [J].

Karmakar, R. ;

Neogi, S. K. ;

Banerjee, Aritra ;

Bandyopadhyay, S. .

APPLIED SURFACE SCIENCE, 2012, 263 :671-677

[8] Radiation hardness of single-crystalline zinc oxide films [J].

Koike, Kazuto ;

Aoki, Takahiro ;

Fujimoto, Ryugo ;

Sasa, Shigehiko ;

Yano, Mitsuaki ;

Gonda, Shun-ichi ;

Ishigami, Ryoya ;

Kume, Kyo .

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 7, 2012, 9 (07) :1577-1579

[9] Residual stress and defect content in magnetron sputtered ZnO films grown on unheated glass substrates [J].

Kunj, Saurabh ;

Sreenivas, K. .

CURRENT APPLIED PHYSICS, 2016, 16 (07) :748-756

[10] Two-photon resonance assisted huge nonlinear refraction and absorption in ZnO thin films [J].

Lin, JH ;

Chen, YJ ;

Lin, HY ;

Hsieh, WF .

JOURNAL OF APPLIED PHYSICS, 2005, 97 (03)

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