A Pulsed, narrow-band, tunable, end-pumped Tm:YAP laser is demonstrated in this paper. The 35 nm wavelength continuous tunability ranges from 1926 to 1961 nm, having a spectral linewidth of 0.15 nm FWHM. The tuning and spectral band narrowing were obtained using a pair of YAG Fabry-Perot Etalons. The laser was actively Q-switched using an acousto-optic modulator. At a repetition rate of 1 kHz, maximum energy per pulse of 2.3 mJ and a pulse duration of 29.5 ns were achieved, corresponding to a peak power of 80 kW. Pulse energy of mJ level was measured along with the whole laser tunability range. Slope efficiency of 31% was obtained for an absorbed pump power of 11.5 W. The combination of high pulsed energies and tunability in this special wavelength region with narrow bandwidth, allows this laser to be a suitable tool for biomedical, sensing and material processing applications.

本文演示了一种脉冲，窄带，可调，端泵浦的Tm：YAP激光器。35 nm波长的连续可调性范围是1926至1961 nm，光谱线宽为0.15 nm FWHM。使用一对YAG Fabry-Perot Etalons获得了调谐和光谱带变窄。使用声光调制器对激光器进行主动Q开关。在1 kHz的重复频率下，每个脉冲的最大能量为2.3 mJ，脉冲持续时间为29.5 ns，对应于80 kW的峰值功率。测量了mJ级的脉冲能量以及整个激光可调范围。对于11.5 W的吸收泵浦功率，可获得31％的斜率效率。高脉冲能量和在窄带宽的特殊波长区域中的可调谐性相结合，使该激光器成为用于生物医学的合适工具，