Various Experiments in Laser Interferometry

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Various Experiments in Laser Interferometry

• Ben Gallup
• Lab Partner Mike Del Zio
• 3-13-2003
• 2.671 Instrumentation and Measurement
• Dr. B. J. Hughey, Prof. D. Gossard, Prof. I. W.
  Hunter

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General Setup
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Apparatus Schematic
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Index of Refraction Setup
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Interference Theory

• Constructive Interference
• Destructive Interference

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Index of Refraction Data
Fit Slope 3.4495
n/n-1 ncalulated 1.4802 naccepted
1.51 error 6.62
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Thermal Expansion Setup
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Thermal Expansion Data
Fit slope 1.201e-6 m/oC a
slope/L L 50.8e-3 m aexperimental
2.36e-5/oC aaccepted 2.40e-5/oC
error 1.67
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Laser Microphone Setup
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Laser Microphone Data