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Updated: Sep 11, 2025

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

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基于FPGA的自动激光频率稳定系统使用动态时间扭曲算法

Hongqiao Zhang, Zhaohui Li, Yurong Wang

    Applied optics
    |August 12, 2025
    PubMed
    概括

    本研究介绍了一种基于FPGA的系统,用于使用动态时间扭曲 (DTW) 算法进行自动激光频率稳定. 该系统实现了快速锁定和高频稳定性,非常适合无人驾驶应用.

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    相关概念视频

    Time and frequency -Domain Interpretation of Phase-lag Control01:21

    Time and frequency -Domain Interpretation of Phase-lag Control

    Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
    Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
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