飞秒激光干涉法制备光纤布拉格光栅

LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI:10.1109/LEOS.2001.969045

K. Oi, F. Barnier, M. Obara

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引用次数: 6

摘要

本研究的目的是制备和评价聚焦飞秒激光干涉诱导的光纤光栅的透射和反射特性。将两束光束聚焦在核心内部，设置碰撞角，得到约1.45 /spl mu/m的二阶布拉格反射。使用衰减器改变激光输出功率，并调整其不达到焦斑处的光击穿阈值。在制造过程中同时检查透射谱。制作完成后对反射光谱进行分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fabrication of fiber Bragg grating by femtosecond laser interferometry

The aim of this study is to fabricate and evaluate the transmission and reflection of FBGs induced by focused femtosecond laser interferometry. The two beams are focused inside the core, and the colliding angle is set in order to obtain an 2nd order Bragg reflection at around 1.45 /spl mu/m. The laser output power is varied using attenuators and adjusted not to reach the optical breakdown threshold at the focal spot. The transmission spectrum is examined simultaneously as the fabrication process is executed. The reflection spectrum is analyzed after fabrication has been completed.

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LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)

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