Determining the grating constant of a holographic grating with an He-Ne-Laser

VP5.7.2.4
Determining the grating constant of a holographic grating with an He-Ne-Laser
Determining the grating constant of a holographic grating with an He-Ne-Laser

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Description

In the experiment P5.7.2.4 the grating constant of the holographic reflection grating is determined for different values of the angle of incidence. The light source used is a He-Ne-Laser with the wavelength l = 632.8 nm. The best value is achieved for the special case where angle of incidence and angle of diffraction are the same, the so called Littrow condition.

Components of equipment sets

1 471830  8  He-Ne Laser, linearly polarised LD
1 46001  4  Lens in frame, f=5 mm LD
1 46008  8  Lens in frame, f=150 mm LD
1 46009  8  Lens in frame, f=300 mm LD
1 47127  4  Holographic grating in frame LD
1 441531  8  Screen LD
1 460335  8  Optical bench with standardised profile, 0.5 m LD
1 46032  8  Optical bench with standardised profile, 1 m LD
1 460341 Swivel joint with circular scale LD
5 460374  8  Optics rider, 90/50 LD
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