Robust 17 W single-pass second-harmonic-generation at 532 nm and relative-intensity-noise investigation

We demonstrate a 17 W single-frequency, low-intensity-noise green source at 532 nm, by single-pass second-harmonic generation of a 50 W continuous-wave fiber laser in a 30 mm MgO-doped periodically-poled stoichiometric lithium tantalate crystal. The maximum conversion efficiency is about 37%. A near...

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Veröffentlicht in:	Optics letters 2021-01, Vol.46 (2), p.408-411
Hauptverfasser:	Dixneuf, Clément, Guiraud, Germain, Ye, Hanyu, Bardin, Yves-Vincent, Goeppner, Mathieu, Santarelli, Giorgio, Traynor, Nicholas
Format:	Artikel
Sprache:	eng
Schlagworte:	Continuous fibers Continuous radiation Fiber lasers Gaussian beams (optics) Lithium tantalates Noise Noise intensity Relative intensity noise Second harmonic generation Wave fronts
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Zusammenfassung:	We demonstrate a 17 W single-frequency, low-intensity-noise green source at 532 nm, by single-pass second-harmonic generation of a 50 W continuous-wave fiber laser in a 30 mm MgO-doped periodically-poled stoichiometric lithium tantalate crystal. The maximum conversion efficiency is about 37%. A nearly Gaussian beam (
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.415532