Intense single-cycle terahertz generation driven by ultrashort high-power laser pulses

被引：0

作者：

Zeng, Yushan ^{[1
,2
,3
]}

Zhou, Chuliang ^{[1
,2
,3
]}

Song, Liwei ^{[1
,2
,3
]}

Lu, Xiaoming ^{[1
,2
,3
]}

Li, Zhongpeng ^{[1
,2
,3
]}

Ding, Yingying ^{[1
,2
,3
]}

Bai, Yafeng ^{[1
,2
]}

Xu, Yi ^{[1
,2
,3
]}

Leng, Yuxin ^{[1
,2
,3
]}

Tian, Ye ^{[1
,2
,3
]}

Liu, Jiansheng ^{[5
]}

Li, Ruxin ^{[1
,2
,3
,4
]}

Xu, Zhizhan ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China

[2] Chinese Acad Sci, CAS Ctr Excellence Ultraintense Laser Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[4] ShanghaiTech Univ, Shanghai 201210, Peoples R China

[5] Shanghai Normal Univ, Dept Phys, Shanghai 200234, Peoples R China

来源：

2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2020年

关键词：

THZ-PULSE;

D O I：

10.1109/IRMMW-THZ46771.2020.9370581

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate the generation of intense terahertz (THz) pulse from laser-wire interaction. Laser pulse with 700mJ pulse energy and 32fs pulse duration is focused on a metal wire. Electrons emit from the wire and create a time-varying radial electric field which forms a miniaturized gyrotron-like undulator. Over 3 mJ single-cycle THz pulse is generated from the undulator. By using a tip at the end of the wire, the THz electric field is enhanced to 90GV/m. The high energy single-cycle THz pulse and the enhanced strong electric field provide a powerful tool for studying THz matter manipulation and THz nonlinear effects.

引用

页数：2

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