LCP-18 Apparatus for Measuring Speed of Light
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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