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  4. Rb-stabilized laser at 1572 nm for CO2 monitoring
 
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Rb-stabilized laser at 1572 nm for CO2 monitoring

Auteur(s)
Matthey-De-L'Endroit, Renaud 
Institut de physique 
Moreno, William 
Institut de physique 
Gruet, Florian 
Institut de physique 
Brochard, Pierre 
Institut de physique 
Schilt, Stephane 
Institut de physique 
Mileti, Gaetano 
Institut de physique 
Date de parution
2016-7-4
In
Journal of Physics : Conference Series
No
723
De la page
1
A la page
2
Résumé
We have developed a compact rubidium-stabilized laser system to serve as optical frequency reference in the 1.55-m wavelength region, in particular for CO2 monitoring at 1572 nm. The light of a fiber-pigtailed distributed feedback (DFB) laser emitting at 1560 nm is frequency-doubled and locked to a sub-Doppler rubidium transition at 780 nm using a 2-cm long vapor glass cell. Part of the DFB laser light is modulated with an electro-optical modula-tor enclosed in a Fabry-Perot cavity, generating an optical frequency comb with spectral cover-age extending from 1540 nm to 1580 nm. A second slave DFB laser emitting at 1572 nm and offset-locked to one line of the frequency comb shows a relative frequency stability of 1·10-11at 1 s averaging time and <4·10-12 from 1 hour up to 3 days.
URI
https://libra.unine.ch/handle/123456789/27300
DOI
10.1088/1742-6596/723/1/012034
Autre version
https://iopscience.iop.org/article/10.1088/1742-6596/723/1/012034
Type de publication
Resource Types::text::journal::journal article
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