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題名 | 鎖相式馬哈進德光纖位移干涉儀=The Development of a Locken-in Fiber-Optic Mach-Zehnder Interferometer for Displacement Measurement |
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作者 | 葉中信; 郭坤煌; | 書刊名 | 建國學報 |
卷期 | 18(下) 民88.06 |
頁次 | 頁589-604 |
分類號 | 471.7 |
關鍵詞 | 鎖相; 馬哈進德; 光纖干涉儀; 非接觸性; Locked in; Mach-zehnder; Fiber-optic interferometer; Non-contact; |
語文 | 中文(Chinese) |
中文摘要 | 光纖干涉儀,可設計成輕、薄、短、小、撓曲、高敏感度,非接觸性等優良特性 來量測各種參數。 若以鎖相放大器的原理與技術,應用至光纖干涉儀時,還可以提高S/N比數個數量級, 加強了系統對抗雜訊的能力。本文將其應用至位移量測時,發現線性度誤差2%內,解析度 0.063nm,量測範圍0-5m,量測速度小於10 �掭/s。 |
英文摘要 | The objective of this research is to develop a fiber-optic Mach-Zehnder interferometer for displacement measurement. The system uses a 1mW frequency- stabilized He-Ne laser as light source. With the use of phase-locked in and synthetic heterodyne techniques in signal processing, high S/N value and high sensitivity is achieved. The system resolution, compared to other approaches, is also greatly improved by utilizing the frequency-division method, and the accuracy up to λ/10000 or 0.063nm is obtained. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。