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首页> 外文期刊>Applied optics >Bundled hollow optical fibers for transmission of high-peak-power Q-switched Nd:YAG laser pulses
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Bundled hollow optical fibers for transmission of high-peak-power Q-switched Nd:YAG laser pulses

机译：束状空心光纤，用于传输高峰值功率调Q Nd：YAG激光脉冲

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摘要

A hollow-fiber bundle was designed and used to deliver high-peak-power pulses from a Q-switched Nd:YAG laser. An 80 cm long bundle with a total diameter of 5.5 mm was composed of 37 glass capillaries with bore diameters of 0.7 mm. Beam-resizing optics with two lenses were used to couple the laser beam into the bundle. The measured coupling loss due to the limited aperture ratio of the bundle was 2.3 dB, and the transmission loss at wavelengths of 1064 and 532 nm was 0.3 dB. When an inert gas flowed through the bores of the capillaries, the maximum output pulse energy was 200 mJ, which was the limit of the laser used in the experiment. Hollow-fiber bundles withstand irradiation better than single hollow fibers and silica-glass optical fibers do. They are suitable for many dermatological applications because they can be used to irradiate a large area.
机译：设计了中空纤维束，用于从调Q的Nd：YAG激光器发射高峰值功率脉冲。 80厘米长的总直径为5.5毫米的束由37个孔径为0.7毫米的玻璃毛细管组成。使用具有两个透镜的光束调整光学系统将激光束耦合到束中。由于束的有限孔径比而测得的耦合损耗为2.3 dB，在1064和532 nm波长处的传输损耗为0.3 dB。当惰性气体流过毛细管的孔时，最大输出脉冲能量为200 mJ，这是实验中使用的激光的极限。中空纤维束比单一中空纤维和石英玻璃光纤更能承受辐射。它们适用于多种皮肤病学应用，因为它们可用于大面积照射。

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