ZnO nanorods for efficient third harmonic UV generation

被引：15
作者：
Das, Susanta Kumar [1 ]
Gueell, Frank [2 ]
Gray, Ciaran [3 ]
Das, Prasanta Kumar [4 ]
Grunwald, Ruediger [1 ]
McGlynn, Enda [3 ]
机构：
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany
[2] Univ Barcelona, Dept Elect, E-08028 Barcelona, Spain
[3] Dublin City Univ, Natl Ctr Plasma Sci & Technol, Sch Phys Sci, Dublin 9, Ireland
[4] KIIT Univ, Sch Appl Sci, Bhubaneswar 751024, Orissa, India
来源：
OPTICAL MATERIALS EXPRESS | 2014年 / 4卷 / 04期
关键词：
3RD-HARMONIC GENERATION; PULSE CHARACTERIZATION; NANOLAYERS;
D O I：
10.1364/OME.4.000701
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnO nanorods grown by both high temperature vapour phase transport and low temperature chemical bath deposition are very promising sources for UV third harmonic generation. Material grown by both methods show comparable efficiencies, in both cases an order of magnitude higher than surface third harmonic generation at the quartz-air interface of a bare quartz substrate. This result is in stark contrast to the linear optical properties of ZnO nanorods grown by these two methods, which show vastly different PL efficiencies. The third harmonic generated signal is analysed using intensity dependent measurements and interferometric frequency resolved optical gating, allowing extraction of the laser pulse parameters. The comparable levels of efficiency of ZnO grown by these very different methods as sources for third harmonic UV generation provides a broad suite of possible growth methods to suit various substrates, coverage and scalability requirements. Potential application areas range from interferometric frequency resolved optical gating characterization of few cycle fs pulses to single cell UV irradiation for biophysical studies. (C)2014 Optical Society of America
引用
收藏
页码：701 / 709
页数：9
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