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相关概念视频

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There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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使用多模纤维的敏感干扰计.

Robert Archibald, Simon Peter Mekhail, Osian Wolley

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    此摘要是机器生成的。

    这项研究展示了一种使用多模光纤的干扰度传感器,增强了光学传感范围. 这种新的方法可以实现高速,独立的激光振动计,具有低功率检测.

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    相关实验视频

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    科学领域:

    • 有光学传感器的感应器.
    • 干涉测量是干涉测量的方法.
    • 光子学是指光子学的使用方法.

    背景情况:

    • 传统的干扰度传感器依赖于单模光纤,限制了系统的范围.
    • 多模纤维提供更高的延伸,但通常与干扰计技术不兼容.

    研究的目的:

    • 开发一种使用多模光纤的干扰度传感器.
    • 增加干扰度传感器系统的范围.
    • 为了实现高速,独立的激光振动计.

    主要方法:

    • 一个带有多模光纤的干扰度传感器的配置.
    • 应用离轴全息以从斑点图案中恢复复杂的振幅.
    • 使用多模式光纤作为唯一采集光学装置的独立激光振动计的演示.

    主要成果:

    • 成功实施使用多模光纤的干扰度传感器,显著增加范围.
    • 从纤维传输的斑点图案中快速恢复复杂的振幅.
    • 经过证明的独立激光振动计,灵敏度为0.003μW,带宽超过2300Hz.

    结论:

    • 多模光纤可以有效地用于干扰测量传感,克服了以前的局限性.
    • 脱轴全息技术为基于纤维的干扰度传感器提供了高速数据采集.
    • 开发的系统提供了一种灵敏和多功能解决方案,用于独立的振动测量.