近紫外光诱导载氢纤维折射率变化的机理

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals Pub Date : 1900-01-01 DOI:10.1364/bgppf.1997.jma.3

V. Grubsky, D. Starodubov, J. Feinberg

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引用次数: 1

摘要

光纤中的布拉格光栅使用各种写入波长形成，范围从488 nm的可见光(使用2光子激发)到157 nm的真空紫外。[1 - 4]。近年来，利用近紫外光的单光子工艺制备了光纤光栅[5-8]。然而，近紫外制备的结果是矛盾的:在没有氢气加载的情况下，光纤中没有观察到布拉格光栅[5,6]，氢气加载的光纤中的光栅是瞬态的[6]，在氢气加载和没有氢气加载的情况下都证明了稳定的布拉格光栅[7,8]。在这里，我们提供的数据可以帮助解释这些明显矛盾的结果。

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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Mechanisms of Index Change Induced by Near-UV Light In Hydrogen-Loaded Fibers

Bragg Gratings in optical fibers have been formed using a wide variety of writing wavelengths ranging from the visible at 488 nm (using 2 photon excitation) to the vacuum-UV at 157 nm. [1-4]. Recently fiber gratings were fabricated by a one-photon process with near-UV light [5-8]. However results with near UV fabrication are contradictory: no Bragg grating was observed in the fibers in the absence of hydrogen loading [5,6], gratings in hydrogen-loaded fibers were transient [6], stable Bragg gratings were demonstrated with and without hydrogen loading [7,8]. Here we present the data that can help to explain these apparently contradictory results.

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Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals

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