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
收藏
页码：1351 / 1354
页数：4
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