期刊
JOURNAL OF LUMINESCENCE
卷 147, 期 -, 页码 242-244出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2013.11.032
关键词
Ion implantation; Cu nanodusters; Lithium niobate; Terahertz
类别
资金
- National Natural Science Foundation of China [10805035, 11375136]
In this letter, the authors present first observation of terahertz generation from Cu implantation of lithium niobate crystal substrate. Lithium niobate single crystal is grown by Czochralski method. Metal nanoparticles synthesized by Cu ion implantation were implanted into lithium niobate single crystal using metal vapor vacuum arc (MEVVA) ion source. 1 kHz, 35 fs laser pulse centred at 800 nm was focused onto the samples. The supercontinuum spectra of the sample are obtained. Terahertz was generated via this kind of sample and investigated using the electro-optical sampling technique. The findings suggest that under the investigated implantation parameter, a strong spectral component in excess of 0.46 THz emission was found from Cu ion implantation of lithium niobate. Published by Elsevier B.V.
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