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LIT-5 Michelson &Fabry-Perot Interferometer

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Description

This equipment combines the Michelson interferometer and Fabry-Perot interferometer together, it’s unique design combines all experiments form Michelson interferometer and Fabrey-perot interferometer.

 

Experiments 

1. Two-beam Interference observation

2. Equal-inclination fringe observation

3. Equal-thickness fringe observation

4. White-light fringe observation

5. Wavelength measurement of the Sodium D-lines

6. Wavelength separation measurement of the Sodium D-lines

7. Measurement of the refractive index of air

8. Multi-beam interference observation

9. Measurement of the He-Ne laser wavelength

10. Interference fringe observation of the Sodium D-lines

 

Specifications

Description

Specifications

Flatness of Beam Splitter and Compensator 0.1 λ
Coarse Travel of Mirror 10 mm
Fine Travel of Mirror 0.25 mm
Fine Travel Resolution 0.5 μm
Fabry-Perot Mirrors 30 mm (dia), R=95%
Wavelength Measurement Accuracy Relative error: 2% for 100 fringes
Dimension 500×350×245 mm
Sodium-Tungsten Lamp Sodium lamp: 20 W; Tungsten lamp: 30 W adjustable
He-Ne Laser Power: 0.7~ 1 mW; Wavelength: 632.8 nm
Air Chamber with Gauge Chamber length: 80 mm; Pressure range: 0-40 kPa

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