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DOI :
10.3791/55733-v
May 15th, 2017
Chapters
0:05
Title
10:03
Conclusion
8:41
Results: Defects Identified in a Steel Test Sample
0:45
The Laser Projected Photothermal Thermography (LPPT) Setup
4:33
Set Up the Camera Control and Perform the Experiment
7:43
Post-process the Data and Extract Temperature Information
この方法は、垂直方向の地下欠陥を見つけることを目的としている。ここでは、レーザーを空間光変調器と結合し、高解像度の熱画像を取得しながら、2つの逆位相変調線で決定的にサンプル表面を加熱するためにビデオ入力をトリガーします。欠陥位置は、熱波干渉極小値の評価から検索される。
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