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LCP-18 Apparatus for Measuring Speed of Light

Short Description:

The accurate determination of the speed of light is of extraordinary significance. This instrument cleverly uses the differential frequency phase detection method to measure the speed of light, and designs a reflector to increase the effective light range and achieve short distance measurement. The experiment can deepen the perceptual understanding of the speed of light propagation, while understanding the modulation and differential frequency techniques.


Product Detail

Product Tags

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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