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Various Experiments in Laser Interferometry

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. General Setup. Apparatus Schematic. Index of Refraction Setup. Interference Theory.

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Various Experiments in Laser Interferometry

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  1. 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

  2. General Setup

  3. Apparatus Schematic

  4. Index of Refraction Setup

  5. Interference Theory • Constructive Interference • Destructive Interference + = + =

  6. Index of Refraction Data Fit Slope = 3.4495 = n/n-1 ncalulated = 1.4802 naccepted = 1.51 %error = 6.62%

  7. Thermal Expansion Setup

  8. Thermal Expansion Data Fit slope = 1.201e-6 m/oC α = slope/L L = 50.8e-3 m αexperimental = 2.36e-5/oC αaccepted = 2.40e-5/oC %error = 1.67%

  9. Laser Microphone Setup

  10. Laser Microphone Data

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