Frequency tunable circular polarization control of terahertz radiation

被引：30

作者：

Shimano, R

Nishimura, H

Sato, T

机构：

[1] Univ Tokyo, Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Tokyo 1130033, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2005年 / 44卷 / 20-23期

关键词：

terahertz spectroscopy; circular polarization; circular dichroism; optical activity; optical rectification; ac Hall effect; chirality;

D O I：

10.1143/JJAP.44.L676

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on frequency tunable circular polarization control of THz radiation. The technique is based on the relative phase control of two THz pulses that are generated from optical rectification of ultrashort optical pulses in a ZnTe crystal. By changing the temporal separation of the optical pump pulses, continuous control of circular polarization from right to left is achieved in the frequency range from 0.3 to 2.5 THz. The developed scheme shows a potential application for sensitive detection of circular dichroism in the far-infrared regime.

引用

页码：L676 / L678

页数：3

共 10 条

[1]

Azzam R.M.A., 1977, Ellipsometry and Polarized Light

[2]

BORN M, PRINCIPLES OPTICS, pCH1

[3] FAR-INFRARED TIME-DOMAIN SPECTROSCOPY WITH TERAHERTZ BEAMS OF DIELECTRICS AND SEMICONDUCTORS [J].