China Wholesale Interferometry Experiment Factories – LCP-18 Apparatus for Measuring Speed of Light – Labor

Main experimental contents
1. The phase method is used to measure the propagation velocity of light in air;

Optioanl experiments for LCP-18a
2, Phase method to measure the propagation velocity of light in solid (LCP-18a)
3, Phase method to measure the propagation velocity of light in liquid (LCP-18a)

Main technical characteristics

1. the use of reflectors to increase the effective light range, to achieve short distance measurement;

2. the measurement frequency as low as 100KHz, greatly reducing the time measurement instrument requirements, high measurement accuracy.

Main technical parameters

1, laser: red visible light, wavelength 650nm;

2, guide: precision industrial linear guide, 95cm long;

3, laser modulation frequency: 60MHz;

4, measurement frequency: 100KHz;

5, Oscilloscope self-prepared.

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