Tunable terahertz Bessel beams with orbital angular momentum

被引：6

作者：

Miyamoto, Katsuhiko ^{[1
,2
]}

Nomura, Riku ^{[1
]}

Tsurumaru, Shohei ^{[1
]}

Omatsu, Takashige ^{[1
,2
]}

机构：

[1] Chiba Univ, Grad Sch Engn, I-33 Yayoi cho,Inage Ku, Chiba 2638522, Japan

[2] Chiba Univ, Mol Chiral Res Ctr, 1-33 Yayoi cho,Inage Ku, Chiba 2638522, Japan

来源：

OPTICS CONTINUUM | 2022年 / 1卷 / 04期

基金：

日本学术振兴会;

关键词：

PERFECT VORTEX BEAM; OPTICAL VORTEX; GENERATION; DIFFRACTION; LIGHT; TRANSFORMATION; DYNAMICS;

D O I：

10.1364/OPTCON.452881

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this work we demonstrate a frequency-tunable terahertz (THz) Bessel beam with zero-and first-order modes and orbital angular momentum, by utilizing a Tsurupica Axicon lens in combination with a picosecond difference frequency generation laser. This system enabled the selective generation of zero-or first-order THz Bessel beams with frequency-tunability across the range 3???7 THz.

引用

页码：633 / 640

页数：8

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