... methods avelength measurement F-JGCJ2041 Teching System Of Distance Measure With Laser PhasePurpose of the experiment and related subjects: 1 ... obtained by using higher laser power. 2.The combination of multiple modulation frequencies (measure wavelength) can increase the ... set of equipment: Experiment host, test track, 25mW laser diode, lens, avalanche diode probe, oscilloscope (self-contained ...