Lasing characteristics of ZnO nanosheet excited by ultraviolet laser beam
Lasing characteristics of ZnO nanosheet excited by ultraviolet laser beam
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紫外激光束激发ZnO纳米片的激光特性
DOI：
10.5185/amlett.2011.9093am2011
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发表时间：
2011
期刊：
影响因子：
--
通讯作者：
T. Okada
中科院分区：
文献类型：
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作者：
K. Okazaki;K. Kubo;T. Shimogaki;D. Nakamura;M. Higashihata;T. Okada
研究了 ZnO 纳米片的激光特性，并将其应用于紫外激光二极管。通过 CVD 方法在硅基底上合成 ZnO 纳米片，然后使用三次谐波 Nd:YAG 激光（355 nm，5 ns）通过光致发光方法检查这些 ZnO 纳米片。观察到的发射光谱显示出明显的激光特征，具有模式结构和激光阈值。 ZnO纳米片的阈值功率密度经测量为40kW/cm 2 ，并且该功率密度低到足以通过紫外激光二极管的电泵浦来振荡。版权所有 © 2011 VBRI 出版社。
The lasing characteristics of ZnO nanosheets were investigated for an application to ultraviolet laser diode. ZnO nanosheets were synthesized on a silicon substrate by a CVD method, and then those ZnO nanosheets were examined by a photoluminescence method with a third-harmonic Nd:YAG laser (355 nm, 5 ns). The observed emission spectra showed the obvious lasing characteristics having mode structure and a threshold for lasing. The threshold power density of a ZnO nanosheet was measured to be 40 kW/cm 2 , and it would be low enough to be oscillated by an electrical pumping for ultraviolet laser diode. Copyright © 2011 VBRI press.