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Fiber optic cables for transmission of high-power laser pulses

机译：用于传输大功率激光脉冲的光纤电缆

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摘要

High power pulsed lasers are commonly deployed in harsh environments, like space flight and military missions, for a variety of systems such as LIDAR, optical communications over long distances, or optical firing of explosives. Fiber coupling of the laser pulse from the laser to where it is needed can often save size, reduce weight, and lead to a more robust and reliable system. Typical fiber optic termination procedures are not sufficient for injection of these high power laser pulses without catastrophic damage to the fiber endface. In the current study, we will review the causes of fiber damage during high power injection and discuss methods used to avoid these issues to permit fiber use with high reliability in these applications. A brief review of the design considerations for high peak power laser pulse injection will be presented to familiarize the audience with all the areas that need to be considered during the design phase. The majority of this paper focuses on the proper fiber polishing methods for high power use with an emphasis on laser polishing of the fibers. Results from recently build fibers will be shown to demonstrate the techniques.
机译：高功率脉冲激光器通常部署在苛刻的环境中，例如太空飞行和军事任务，用于多种系统，例如激光雷达，长距离光通信或爆炸物的光学发射。从激光器到需要的地方的激光脉冲的光纤耦合通常可以节省尺寸，减轻重量，并导致更坚固和可靠的系统。典型的光纤端接程序不足以注入这些高功率激光脉冲，而不会对光纤端面造成灾难性的破坏。在当前的研究中，我们将回顾高功率注入过程中光纤损坏的原因，并讨论避免这些问题的方法，以允许在这些应用中以高可靠性使用光纤。将简要介绍高峰值功率激光脉冲注入的设计注意事项，以使听众熟悉设计阶段需要考虑的所有领域。本文的大部分内容集中在高功率使用的正确纤维抛光方法上，重点是对纤维的激光抛光。最近制造的光纤的结果将显示出来，以证明该技术。

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