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Title: Diode-pumped femtosecond passively mode-locked Yb:LPS laser
Authors: Xu, J.
Zhang, J.
Tan, W. W.
Li, D. Z.
Su, B. L.
Xu, C. W.
Xu, X. D.
Zheng, L. H.
Tang, Dingyuan
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Xu, C. W., Tang, D., Xu, X. D., Zheng, L. H., Zhang, J., Tan, W. W., Li, D. Z., Su, B. L., & Xu, J. (2012). Diode-pumped femtosecond passively mode-locked Yb:LPS laser. Laser physics letters, 9(10).
Series/Report no.: Laser physics letters
Abstract: A diode-pumped passively mode-locked Yb:Lu2Si2O7 (Yb:LPS) laser is demonstrated for the first time, to our knowledge. Using a commercial semiconductor saturable absorber mirror (SESAM) as the mode locker and a pair of Gires-Tournois interferometer (GTI) mirrors for group-velocity dispersion (GVD) compensating, we have obtained stable femtosecond mode locked pulses. Two output couplers of transmission of 1.6% and 5% were used to exploit the mode locked laser performance. For the output coupler with T = 1.6%, 195 fs pulses centered at 1042 nm were generated, and for the output coupler with T = 5.0%, 450 fs pulses centered at 1058 nm were generated. The corresponding output power is 130 and 610 mW, respectively. Higher output could be obtained but the laser operated at multi pulse regime. In addition, a preliminary continuous wave (CW) laser performance test demonstrated a slope efficiency of up to 70% with respect to incident pump power, which is much higher than the previous value of 35% with respect to absorbed pump power.
DOI: 10.7452/lapl.201210080
Fulltext Permission: none
Fulltext Availability: No Fulltext
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