ImageJ 教學：分析光的干涉、繞射照片
作者：王一哲
第1版：2016/4/6
第2版：2020/6/11
操作步驟
首先開啟 ImageJ
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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ImageJ 主視窗
將照片匯入 ImageJ，本例當中所用的照片是從 Wikipedia Diffraction 條目中找到的，複製以下網址https://upload.wikimedia.org/wikipedia/commons/5/5a/Diffraction_150_slits.jpg ，再將圖片匯入 ImageJ，由工具列依序點選 File → Import → URL，貼上連結後按OK。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
Author: Shim'on and Slava Rybka
接下來校正長度，步驟如下：
- 將照片放大，利用直線工具在照片中的尺上畫直線，在下圖中我畫的線長度為 4cm。
- 開啟長度校正工具，由工具列依序點選 Analyze → Set Scale
- 在長度校正視窗中，Known distance 填入 4.0，Unit of length 填入 cm，按下 OK。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
在放大後的照片中畫直線
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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長度校正工具，路徑： Analyze → Set Scale
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
長度校正視窗
畫出強度 - 位置關係圖，步驟如下：
- 用矩形工具選取干涉條紋部分
- 由工具列依序點選 Analyze → Plot Profile 或按 *Ctrl+K
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
用矩形工具選取干涉條紋部分
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
強度 - 位置關係圖
點選關係圖左下角的 List 開啟 PlotValues 視窗，工具列依序點選 File → Save As 或按 Ctrl+S，將資料存成 csv 檔，可以再將資料匯入 SciDAVis 之類的軟體進行後續的處理。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
儲存繪圖資料
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
Learn More →
使用 SciDAVis 繪製的強度 - 位置關係圖
延伸閱讀
- ImageJ 教學：分析海水表面溫度
- ImageJ 教學：分析光譜照片
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