Single-laser polarization-controlled optical sampling system for THz-TDS

被引：19

作者：

Kolano, Michael ^{[1
,2
,3
]}

Graef, Benedict ^{[1
,2
,3
]}

Weber, Stefan ^{[1
,2
,3
]}

Molter, Daniel ^{[3
]}

von Freymann, Georg ^{[1
,2
,3
]}

机构：

[1] Univ Kaiserslautern, Dept Phys, D-67663 Kaiserslautern, Germany

[2] Univ Kaiserslautern, Res Ctr OPTIMAS, D-67663 Kaiserslautern, Germany

[3] Fraunhofer Inst Ind Math ITWM, Ctr Mat Characterizat & Testing, D-67663 Kaiserslautern, Germany

来源：

OPTICS LETTERS | 2018年 / 43卷 / 06期

关键词：

TIME-DOMAIN SPECTROSCOPY; TERAHERTZ; MODE; GENERATION; PULSES;

D O I：

10.1364/OL.43.001351

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a polarization-multiplexed,single-laser system for terahertz (THz) time-domain spectroscopy without an external delay line. The fiber laser emits two pulse trains with independently adjustable repetition rates, utilizing only one laser-active section and one pump diode. With a standard fiber-coupled THz setup and a polarization-multiplexed optical amplifier, we are able to measure transients with a spectral bandwidth of 1.5 THz and a dynamic range of 50 dB in a measurement time of 1 s. Based on the novel laser architecture, we call this new approach single-laser polarization- controlled optical sampling, or SLAPCOPS. (C) 2018 Optical Society of America

引用

页码：1351 / 1354

页数：4

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