Optical analogy to electron diffraction at a polycrystalline lattice

VP6.1.5.2
Optical analogy to electron diffraction at a polycrystalline lattice
Optical analogy to electron diffraction at a polycrystalline lattice Optical analogon of Debye-Scherrer diffraction (P6.1.5.2)
Optical analogy to electron diffraction at a polycrystalline lattice Optical analogon of Debye-Scherrer diffraction (P6.1.5.2)
Optical analogy to electron diffraction at a polycrystalline lattice

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Description

The experiment P6.1.5.2 illustrates the Debye-Scherrer method used in the electron diffraction tube by means of visible light. Here, parallel, monochromatic light passes through a rotating cross grating. The diffraction pattern of the cross grating at rest, consisting of spots of light arranged around the central beam in a network-like pattern, is deformed by rotation into rings arranged concentrically around the central spot. By using different colour filters the dependence of the ring diameters on the wavelength of the light can be shown.

Components of equipment sets

1 555629  4  Cross grating, 5000/cm, rotatable LD
1 450641  8  Halogen lamp 12 V, 50/100W LD
1 45063  4  Halogen bulb 12 V/100 W, G6.35 LD
1 450661 Holder with heat protection LD
1 726890  8  DC power supply unit 1...32 V/0...20 A LD
1 46003  4  Lens in frame, f=100 mm LD
1 46022  4  Holder with spring clips LD
1 44153  8  Screen, translucent LD
1 31178  4  Tape measure 2 m / 1 mm LD
1 460310  8  Optical bench, S1 profile, 1 m LD
2 460311  4  Clamp rider with clamp 45/65 LD
3 460312  4  Clamp rider with clamp 45/35 LD
1 50098  8  Safety adapter sockets, black, set of 6 LD
2 500624  4  Safety experiment cable, 50 cm, black LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P6.1.5.2 Optical analogy to electron diffraction at a polycrystalline lattice
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