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相关概念视频

Infrared (IR) Spectroscopy: Overview01:09

Infrared (IR) Spectroscopy: Overview

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When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
Different compounds display unique properties due to their...
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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
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有效的中红外光合成单模光纤光纤.

Francesco Anelli, Solenn Cozic, Robert Weih

    Optics express
    |August 13, 2025
    PubMed
    概括

    一个新型的选择模式的光子灯有效地将光线合到单模式光纤中,显示出对错位的高耐受性. 这一突破为激光猪尾和光纤连接提供了有前途的应用.

    科学领域:

    • 光子学和光学工程的工程.
    • 光纤 光学 通信 通信

    背景情况:

    • 光纤之间的高效合对于各种光子应用至关重要.
    • 现有的合方法往往会受到横向错位的敏感性影响.
    • 光子灯提供了模式操纵的潜力,但需要模式选择性.

    研究的目的:

    • 为了证明一种选择模式的光子灯作为一个高效的,横向偏移耐受性的合机制.
    • 为了验证基本模式的选择性激发原理.
    • 为了探索其激光猪尾和纤维对纤维合的潜力.

    主要方法:

    • 使用化光学纤维的光电灯的设计.
    • 一个原型光子灯的制造.
    • 在波长为3.34μm的实验测试,包括横向偏移耐受性评估.
    • 实验结果与模拟结果的比较.

    主要成果:

    • 成功演示了一种选择模式的光子灯.
    • 该设备表现出优异的横向偏移容忍度.
    • 实验结果与模拟预测密切匹配,证实了设备的可行性.

    结论:

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    In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
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    • 选择模式的光子灯提供了一个高效和强大的合解决方案.
    • 这项技术对于激光猪尾切割等应用非常有前途.
    • 它可以有效地合不同的纤维类型,包括空心纤维和单模纤维.