Gelsonlab Diffraction grating

A set of optical devices to demonstrate the differentiation and interference of light and to obtain its spectrum.
The analysis of the position of the light and dark differentiation strips allows determining the length of the wave falling on the grid.
All digitization bars are made of plastic frame (5 x 5 cm) and foil (35 x 23 cm) with different shape and distance holes. They can be mounted on special stands.
The set consists of 5 bars:
- with 3 single slits (height 0.05, 0.1, 0.2 mm);
- with 3 double slits of 0.05 mm (distance 0.2, 0.3, 0.45 mm);
- with single slits, 2 slits, 3 slits, 4 slits, multiple lines (30 and 60 lines/mm, round holes (D 0.36 mm), triangular holes (country 0.3 mm), square holes (country 0.2 mm), rectangular holes (0.6 x 0.28 mm); all slots with a width of 0.06 mm with a distance of 0.05 mm;

- with 3 rectangular holes, each formed by lines crossing at a right angle; number of lines: 20, 40 and 60 respectively.

- with round holes with diameters 0.2, 0.3, 0.4 mm.

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