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Measuring the refractive index of air with a Mach-Zehnder interferometer /
Measuring the refractive index of air with a Mach-Zehnder interferometer

Measuring the refractive index of air with a Mach-Zehnder interferometer

VP5.3.5.2

$Measuring the refractive index of air with a Mach-Zehnder interferometer$

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Description

In the experiment P5.3.5.2, the refractive index of air is determined. To achieve this, an evacuable chamber is placed in the path of one component beam of the Mach-Zehnder interferometer. Slowly evacuating the chamber alters the optical path length of the respective component beam.

Components of equipment sets

1	47340 8	Laser optics base plate
1	471832	He-Ne laser, unpolarised
1	473412	Laser mount
6	473421 8	Optics base
2	473431 8	Holder for beam divider
2	473432 4	Beam divider, 50 %
2	473461 8	Planar mirror with fine adjustment
1	473471	Spherical lens, f = 2.7 mm
1	473485 4	Evacuable chamber
1	37558 4	Hand vacuum pump
1	667186 4	Vacuum rubber tubing, 8 mm diam.
1	604520 8	Connector with nipple
1	44153 8	Screen, translucent
1	30011 4	Saddle base
1	31102 4	Metal rule, 1 m
1	30002 4	Stand base, V-shaped, small
1	666555 4	Universal clamp 0...80 mm

Experiment Instructions

PDF (Experiment description)

P5.3.5.2 Measuring the refractive index of air with a Mach-Zehnder interferometer

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Measuring the refractive index of air with a Mach-Zehnder interferometer

Description

Components of equipment sets

Experiment Instructions

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