publication . Preprint . 2016

Picometer-resolution dual-comb spectroscopy with a free-running fibre laser

Zhao, Xin; Hu, Guoqing; Zhao, Bofeng; Li, Cui; Pan, Yingling; Liu, Ya; Yasui, Takeshi; Zheng, Zheng;
Open Access English
  • Published: 24 Feb 2016
Abstract
Dual-comb spectroscopy utilizes two sets of comb lines with slightly different comb-tooth-spacings, and optical spectral information is acquired by measuring the radio-frequency beat notes between the sets of comb lines. It holds the promise as a real-time, high-resolution analytical spectroscopy tool for a range of applications. However, the stringent requirement on the coherence between comb lines from two separate lasers and the sophisticated control system to achieve that have confined the technology to the top metrology laboratories. By replacing control electronics with an all-optical dual-comb lasing scheme, a simplified dual-comb spectroscopy scheme is d...
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Subjects
arXiv: Physics::OpticsPhysics::Atomic Physics
free text keywords: Physics - Optics, Physics - Instrumentation and Detectors
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