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Complementary crossed gratings (Babinet’s principle) /
Complementary crossed gratings (Babinet’s principle)

Complementary crossed gratings (Babinet’s principle)

LP5.3.2.2

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Description
Components of equipment sets

Description

This experiment is a consolidation of the Gap and Bar experiment. The students learn that Babinet's principle also applies to two-dimensional gratings. The crossed grating forms the transition from the line grating to the space grating, as is the case with regularly arranged atoms or ions in crystals. Thus, this experiment can be used very well as a basis for the diffraction of X-rays at a crystal grating (Laue diagrams).

Components of equipment sets

1	459 095 4	Plug-in power supply USB 5 V DC (A socket)
1	459 096 4	Cable USB (USB Type A - Mini-USB)
1	459 33 4	Diaphragm and slide holder on rod
3	460 95 4	Clamp rider
1	311 78 4	Tape measure 2 m / 1 mm
1	459 24 4	Translucent screen on rod
1	459 097 4	Laser class 1, red
1	469 736 8	Diaphragm with wire-mesh gratings
1	460 82 8	Precision metal rail, 50 cm

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Complementary crossed gratings (Babinet’s principle)

Description

Components of equipment sets

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