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Absolute spectroscopy near 7.8 μm with a comb-locked extended-cavity quantum-cascade-laser
We report for the first time the frequency locking of an extended-cavity quantum-cascade-laser (EC-QCL) to a near-infrared frequency comb. The locked laser source is exploited to carry out molecular spectroscopy around 7.8 μm with a line-centre frequency combined uncertainty of ~63 kHz. The strength...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5778009/ https://www.ncbi.nlm.nih.gov/pubmed/29358712 http://dx.doi.org/10.1038/s41598-018-19188-2 |