We are developing a hollow-core photonic crystal fiber to be used as a beam relay in pulsed sodium laser guide star systems with a target maximum attenuation of 30 dB/km, 20 dB/km as goal. In order to optimize the fiber geometry, we numerically model the light propagation using a finite-element solver that allows us to simultaneously optimize several structural parameters.
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机译：我们正在开发一个空心核光子晶体纤维，用作脉冲钠激光导向星系中的梁继电器，其目标最大衰减为30dB / Km，20 dB / km作为目标。 为了优化光纤几何形状，我们使用有限元求解器来数值模拟光传播，其允许我们同时优化若干结构参数。
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