Low-noise single-frequency 50 W fiber laser operating at 1013 nm

We have developed a 50 W all-fiber, single-frequency (SF), low-noise master oscillator power amplifier laser operating at 1013 nm, with an efficiency of 67%. The output signal shows an optical signal-to-noise ratio of 50 dB and excellent noise properties. These are to date and to the best of our kno...

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Bibliographic Details
Published in:Laser physics letters 2019-04, Vol.16 (4), p.45103
Main Authors: Gouhier, Benoît, Rota-Rodrigo, Sergio, Guiraud, Germain, Traynor, Nicholas, Santarelli, Giorgio
Format: Article
Language:English
Subjects:
fiber amplifier
laser
low noise
Ytterbium
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Summary:We have developed a 50 W all-fiber, single-frequency (SF), low-noise master oscillator power amplifier laser operating at 1013 nm, with an efficiency of 67%. The output signal shows an optical signal-to-noise ratio of 50 dB and excellent noise properties. These are to date and to the best of our knowledge, the highest reported figures of merit for a SF laser at this wavelength. The relative intensity noise of the laser is analyzed and is shown to follow the theoretical behavior for fiber amplifier.
ISSN:1612-2011
1612-202X
DOI:10.1088/1612-202X/aafd20