80-W dual-wavelength green pulsed laser based on a Yb-doped rod-type fiber amplifier

We developed a high-power dual-wavelength green pulsed laser that generates 528-nm and 535-nm laser pulses which overlap completely in time and space. Two single-frequency seed lasers of 1056 nm and 1070 nm are combined and amplified to 140 W through a series of ytterbium-doped fiber amplifiers incl...

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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2021-05, Vol.127 (5), Article 78
Hauptverfasser:	Cha, Yong-Ho, Kim, Yonghee, Park, Hyunmin, Lim, Gwon, Jeong, Do-Young
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Applied physics Clean energy Doped fibers Engineering Laser applications Lasers Lithium Optical Devices Optics Photonics Physical Chemistry Physics Physics and Astronomy Pulsed lasers Quantum Optics Wavelengths Ytterbium
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Beschreibung
Zusammenfassung:	We developed a high-power dual-wavelength green pulsed laser that generates 528-nm and 535-nm laser pulses which overlap completely in time and space. Two single-frequency seed lasers of 1056 nm and 1070 nm are combined and amplified to 140 W through a series of ytterbium-doped fiber amplifiers including a rod-type fiber amplifier, and the amplified laser pulses of two wavelengths are frequency-doubled, respectively, by two consecutive lithium triborate crystals. The total green power is more than 80 W at a 400-kHz repetition rate, and the power ratio between the two green wavelengths can be adjusted.
ISSN:	0946-2171 1432-0649
DOI:	10.1007/s00340-021-07628-3