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Experimental Instruments » Interferometer of Michelson Model LEOI-20

Introduction

The table-type design Michelsen Interferometer facilitates easy examination of study sample into the light path. It is suitable for physics education in vairous higher learning institutions.

Experiment Examples
  • Measurement of monochromatic light wavelength.
  • Observing patterns of white light interference, equal inclination and equal thickness interference.
  • Measurement of wavelength difference of yellow sodium doublet.
  • Measurement of refractive index of air.
Key Features
  • Easy operation and stable performance
  • Detailed lecture notes
  • Competitive price
Specifications

Flatness of Beam Splitter and Compensation Plate ≤ 1/20 λ at 633nm
Min. Reading of Mirror Moving 0.5 μm

Travel of Movable Mirror
    Rough Adjustment 10 mm
    Fine Adjustment 0.25mm corresponds to 690 interference fringes
    Air Pressure Gauge 0~40kPa
    He-Ne Laser Output 0.7~1mW
    Wavelength Measurement Accuracy ~2% error as counting to 100th fringe

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