Progress in Continuous Wave THz Molecular Laser Optically Pumped by a Quantum Cascade Laser

被引：0

作者：

Pagies, Antoine ^{[1
]}

Ducournau, Guillaume ^{[1
]}

Lampin, Jean-Francois ^{[1
]}

机构：

[1] Univ Lille, Terahertz Photon Grp, Inst Elect Microelect & Nanotechnol, CNRS,Cent Lille,ISEN,UMR 8520,IEMN,Univ Valencien, F-59652 Villeneuve Dascq, France

来源：

2017 42ND INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2017年

关键词：

D O I：

暂无

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 have demonstrated a new approach to realize a continuous wave room temperature THz laser source: a lowpressure molecular gas is optically pumped by a solid-state midinfrared source. A tunable quantum cascade laser allows to have access to transitions that are not accessible to CO2 lasers. Here we present our last results concerning NH3: pure inversion transitions allows emission around 1 THz. At 1.073 THz a new cavity design is used and a power of 0.67 mW is obtained with a high differential efficiency of 6.4 mW/W. This improved output power will permit imaging and local oscillator applications.

引用

页数：2

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