Previous studies have demonstrated that students have difficulties in applying the wave model of light to explain single-slit diffraction and double-slit interference patterns. In this study, we investigated if students could recognize typical interference and diffraction patterns at all. Eye movements of high-school students were measured while they were identifying patterns produced by monochromatic light on a double slit, single slit, and diffraction grating, and by white light on a diffraction grating. Most students had difficulties with recognizing double-slit interference pattern and diffraction grating pattern of monochromatic light. Identification of the single-slit diffraction pattern was easier probably due to its distinguishable central maximum. The easiest task for students was recognizing the diffraction pattern of white light on an optical grating. Eye-tracking data suggested that even students who incorrectly answered this question were aware that the diffraction grating separates white light into colors. Additionally, eye tracking revealed that students who identified patterns correctly attended more the correct pattern than other options, thus corroborating previous findings. Overall, the results indicate that the recognition of interference and diffraction patterns is quite demanding for students, suggesting that more attention should be paid to observing and understanding basic wave optics phenomena.

中文翻译：

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学生对干涉和衍射图案的认识：一项眼动研究

先前的研究表明，学生在运用光波模型解释单缝衍射和双缝干涉图案方面遇到困难。在这项研究中，我们调查了学生是否完全可以识别典型的干涉和衍射图样。在确定高中学生的眼球运动时，他们确定了由双缝，单缝和衍射光栅上的单色光以及由衍射光栅上的白光产生的模式。大多数学生在识别单色光的双缝干涉图案和衍射光栅图案时遇到困难。单缝衍射图样的识别更容易，可能是由于其可分辨的中心最大值。对于学生来说，最简单的任务是识别光栅上白光的衍射图样。眼动数据表明，即使错误回答该问题的学生也意识到衍射光栅将白光分离为彩色。此外，眼动追踪显示，正确识别了模式的学生比其他选择参加了更多的正确模式，从而证实了先前的发现。总体而言，结果表明，对学生的干涉和衍射图样的识别要求很高，这表明应更加注意观察和理解基本的波光学现象。此外，眼动追踪显示，正确识别了模式的学生比其他选择参加了更多的正确模式，从而证实了先前的发现。总体而言，结果表明，对学生的干涉和衍射图样的识别要求很高，这表明应更加注意观察和理解基本的波光学现象。此外，眼动追踪显示，正确识别了模式的学生比其他选择参加了更多的正确模式，从而证实了先前的发现。总体而言，结果表明，对学生的干涉和衍射图样的识别要求很高，这表明应更加注意观察和理解基本的波光学现象。