摘要
中红外相干光源在光谱学、遥感、生物和医疗以及军事等诸多领域都有重要的应用前景和价值,而掺铒氟化物光纤(ZBLAN)激光器是实现2.7 mm中红外激光输出的有效途径之一。综述了2.7 mm掺Er∶ZBLAN光纤激光器在连续激光输出、高功率脉冲激光输出、波长可调谐激光输出、以及调Q和锁模激光输出等领域研究现况,并对其应用及发展前景进行了展望。
Coherent light sources in the mid-infrared(mid-IR) range have broad practical and potential applications in spectroscopy, remote sensing, medical and military. Erbium(Er)-doped ZBLAN fiber lasers are well suitable for mid-infrared coherent light source at 2.7 mm. The latest progress of watt-level continuous wave(CW), high-power pulsed, wavelength-tunable, Q-switched and CW mode-locked Er3 +∶ZBLAN fiber lasers operating at 2.7 mm is introduced in this article. Finally, the development trends of the mid-infrared Er-doped ZBLAN fiber lasers are prospected.
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