Molecular spectroscopy with a terahertz quantum-cascade laser by illumination-induced frequency tuning

Tasmim Alam,Martin Wienold,Heinz-Wilhelm Hübers

Molecular spectroscopy with a terahertz quantum-cascade laser by illumination-induced frequency tuning

2018

Tasmim Alam
Martin Wienold
Heinz-Wilhelm Hübers

We report on molecular spectroscopy with a terahertz quantum-cascade laser (QCL). The frequency of the QCL is tuned by illuminating one of its facets using a near-infrared laser. A tuning range of 17 GHz is achieved for continuous-wave operation.

Keywords:

Spectroscopy
Physics
Laser
Optics
Terahertz radiation
Quantum cascade laser
Analytical chemistry
molecular spectroscopy
Optoelectronics
terahertz quantum cascade laser

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