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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Published inLaser physics letters Vol. 16; no. 4; pp. 45103 - 45107
Main Authors Gouhier, Benoît, Rota-Rodrigo, Sergio, Guiraud, Germain, Traynor, Nicholas, Santarelli, Giorgio
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.04.2019
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.
Bibliography:2018LPL1113
ISSN:1612-2011
1612-202X
DOI:10.1088/1612-202X/aafd20