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- Title
SESAM Mode-Locked Yb:Ca 3 Gd 2 (BO 3) 4 Femtosecond Laser.
- Authors
Zeng, Huang-Jun; Lin, Zhang-Lang; Xue, Wen-Ze; Zhang, Ge; Pan, Zhongben; Lin, Haifeng; Loiko, Pavel; Mateos, Xavier; Petrov, Valentin; Wang, Li; Chen, Weidong
- Abstract
We report on the first passively mode-locked femtosecond-laser operation of a disordered Yb:Ca3Gd2(BO3)4 crystal using a SEmiconductor Saturable Absorber Mirror (SESAM). Pumping with a single-transverse mode fiber-coupled laser diode at 976 nm, nearly Fourier-transform-limited pulses as short as 96 fs are generated at 1045 nm with an average output power of 205 mW and a pulse repetition rate of ~67.3 MHz. In the continuous-wave regime, high slope efficiency up to 59.2% and low laser thresholds down to 25 mW are obtained. Continuous wavelength tuning between 1006–1074 nm (a tuning range of 68 nm) is demonstrated. Yb:Ca3Gd2(BO3)4 crystals are promising for the development of ultrafast lasers at ~1 μm.
- Subjects
FEMTOSECOND lasers; MODE-locked lasers; SEMICONDUCTOR lasers; SOLID-state lasers; CONTINUOUS wave lasers; LASERS; SEMICONDUCTORS
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 20, p9464
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app11209464