Development of intense terahertz light source for forming periodic structures on material surface

被引：0
|
作者：
Hosokawa C. [1 ]
Hashida M. [1 ]
Nagashima T. [2 ]
Inoue S. [1 ]
Sakabe S. [1 ]
机构：
[1] ICR, Kyoto University, Gokasho, Uji
[2] Setsunan University, 17-8, Ikedanakamachi, Neyagawa
来源：
IEEJ Transactions on Fundamentals and Materials | 2020年 / 140卷 / 08期
关键词：
Development of light source; Intense terahertz waves; Lithium niobate; Pump probe method; Tilted pulse front method;
D O I：
10.1541/ieejfms.140.378
中图分类号：
学科分类号：
摘要：
We have developed an intense terahertz wave source aiming at in-situ measurement of periodic surface structures induced by terahertz waves on solid materials with high-spatiotemporal resolution. An intense terahertz wave of 119 µJ was generated from a Lithium Niobate crystal induced with an intense laser with fluence of 25 mJ/cm2 by tilted pulse front method. By applying a negative chirp to the laser pulse, the pulse width spread inside the crystal was compensated, and the output of the terahertz wave was maximized. © 2020 The Institute of Electrical Engineers of Japan.
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页码：378 / 382
页数：4
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