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首页> 外文会议>2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference >Coherent phase combining of 64 fibers
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Coherent phase combining of 64 fibers

机译：64根光纤的相干相合并

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摘要

Fiber lasers provide an attractive means of reaching high output laser power because of their advantages in terms of compactness, reliability, efficiency, and beam quality. Even given these advantages, it is desirable to increase the system power or energy levels beyond what is possible with a single-mode fiber laser. A promising technique is coherent beam combining with active phase locking involving phase detection and active compensation of phase errors [1]. In this Communication, we present coherent phase combining of 64 independent fibers, selectively amplified by 4 optical amplifiers. This is to our knowledge the highest number of combined fibers ever demonstrated. In order to achieve this result, we have developed specific collective components for phase measurement of a large number of fibers, arrays of phase modulators, and an array of collimated fibers.
机译：光纤激光器由于在紧凑性，可靠性，效率和光束质量方面的优势而提供了一种吸引人的高输出激光功率的方法。即使具有这些优点，也希望将系统功率或能量水平提高到单模光纤激光器无法达到的水平。一种有前途的技术是相干光束与主动锁相相结合，包括相位检测和相位误差的主动补偿[1]。在本通信中，我们介绍了64个独立光纤的相干相位组合，并由4个光学放大器选择性地对其进行了放大。据我们所知，这是有史以来结合纤维数量最多的。为了获得此结果，我们开发了用于大量光纤，相位调制器阵列和准直光纤阵列的相位测量的特定集合组件。

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