Diffraction at one- and two-dimensional gratings

VP5.3.1.3
Diffraction at one- and two-dimensional gratings
Diffraction at one- and two-dimensional gratings Interference pattern of experiment P5.3.1.3 on the screen (P5.3.1.3)
Diffraction at one- and two-dimensional gratings

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Description

The experiment P5.3.1.3 investigates diffraction at a line grating and a crossed grating. We can consider the crossed grating as consisting of two line gratings arranged at right angles to each other.The diffraction maxima are points at the “nodes” of a straight, square matrix pattern.

Components of equipment sets

1 46987  4  Diaphragm with 3 gratings LD
1 46988  4  Diaphragm with 2 wire-mesh gratings LD
1 46022  4  Holder with spring clips LD
1 471832 He-Ne laser, unpolarised LD
1 46001  4  Lens in frame, f=5 mm LD
1 46002  4  Lens in frame, f=50 mm LD
1 46032  8  Optical bench with standardised profile, 1 m LD
4 460370  8  Optics rider, 60/34 LD
1 44153  8  Screen, translucent LD
1 30011  4  Saddle base LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P5.3.1.3 Diffraction at one- and two-dimensional gratings
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