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