@inproceedings{96a636cd27e34172b48b93e29fac8fa5,
title = "High efficient terahertz generation from cryogenic gallium phosphide based on collinear difference frequency",
abstract = "In this paper, a high efficient terahertz source based on n-type gallium phosphide crystal via cryogenic process is investigated through collinear difference frequency generation pumper by 1064 nm Nd:YAG laser and its OPO system. Absorption coefficient of this crystal at THz range shows a dramatic decrease from ∼ 50 cm-1 to 0.5 cm--1 as the temperature decreases from 300 k to 80 k. Four times enhancement of the terahertz emission power and much more broad spectra range (∼ 0.2- 3.8 THz) has been achieved in this kind of 0.5 mm length gallium phosphide crystal during the whole varied temperature difference frequency generation from 300 k to 80 k. These results indicate that cooling down the crystal temperature is an effective way to improve the terahertz source property, such as terahertz output power and frequency range.",
keywords = "Collinear difference frequency generation, Cryogenic, Gallium phosphide, Terahertz",
author = "Jingguo Huang and Yang Li and Yanqing Gao and Gaofang Li and Zhiming Huang and Junhao Chu and Yury Andreev",
note = "Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; 5th International Symposium on Laser Interaction with Matter, LIMIS 2018 ; Conference date: 11-11-2018 Through 13-11-2018",
year = "2019",
doi = "10.1117/12.2524100",
language = "英语",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Yijun Zhao",
booktitle = "Fifth International Symposium on Laser Interaction with Matter",
address = "美国",
}