期刊
SOLID STATE LASERS XXXI: TECHNOLOGY AND DEVICES
卷 11980, 期 -, 页码 -出版社
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2610387
关键词
mode-locked lasers; holmium ions; femtosecond lasers; disordered crystals; single-walled carbon nanotube saturable absorber
类别
We report on the generation of sub-100-fs pulses from a passively mode-locked laser using a novel disordered crystal. The laser showed high slope efficiency in the continuous-wave regime and could be continuously tuned by using a filter.
We report on sub-100-fs pulse generation from a passively mode-locked laser based on a novel disordered crystal, lanthanum calcium lithium niobium gallium garnet (LCLNGG) codoped with thulium (Tm3+) and holmium (Ho3+) ions. In the continuous-wave regime, the Tm,Ho:LCLNGG laser generated a maximum output power of 350 mW at 2080.5 nm with a slope efficiency of 23.8%. By using a Lyot filter, the laser wavelength was continuously tuned over a broad range of similar to 210 nm (1904.1 - 2114.1 nm). Soliton mode-locking was initiated and stabilized by a transmission-type single-walled carbon nanotube saturable absorber. Pulses as short as 63 fs were obtained at a central wavelength of 2072.7 nm with an average output power of 63 mW at a pulse repetition rate of similar to 02.5 MHz.
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