Glass plate with nine different microstructures consisting of discs, rectangles and squares for quantitative diffraction experiments.
Diameter: 40 mm
Thickness: 1.5 mm
Disc diameters: 30 µm, 50 µm, 100 µm
Rectangles: 10 x 50 µm, 20 x 100 µm, 30 x 150 µm
Squares: 40 x 40 µm, 70 x 70 µm, 120 x 120 µm
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![4个不同间距的双狭缝, 1000597 [U14101], 缝隙，绕射光学元件和滤光器](/thumblibrary/U14101/U14101_01_140_140_4个不同间距的双狭缝.jpg)
![2,3,4,5倍狭缝和光栅, 1000598 [U14102], 缝隙，绕射光学元件和滤光器](/thumblibrary/U14102/U14102_01_140_140_2-3-4-5倍狭缝和光栅.jpg)
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