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Opt Lett. 2011 Oct 1;36(19):3771-3. doi: 10.1364/OL.36.003771.
We report, for the first time to our knowledge, an all-fiber wavelength-swept Tm-doped laser based on a fiber Fabry-Perot tunable filter in the 2 μm spectral region. The laser wavelength can be continuously tuned over 200 nm from 1840 to 2040 nm in a short period of time. The demonstrated tuning speed was 12.5 μm/s with a tuning efficiency of 17.5 nm/V. The spectral linewidth of the laser was measured to be approximately 300 MHz or 0.01 cm(-1). This kind of laser can find potential applications in both high-resolution laser spectroscopy and tunable mid-IR generation via nonlinear frequency conversion.
我们首次报告了一种基于光纤法布里-珀罗可调谐滤波器的全光纤波长扫描 Tm 掺杂激光，该激光在 2μm 光谱区域内。在短时间内，激光波长可以连续调谐 200nm，从 1840nm 到 2040nm。所展示的调谐速度为 12.5μm/s，调谐效率为 17.5nm/V。激光的光谱线宽约为 300MHz 或 0.01cm(-1)。这种激光在高分辨率激光光谱学和通过非线性频率转换产生可调谐中红外波段都有潜在的应用。
