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Laser interferometer
Technical Parameters:
System accuracy: ± 0.5ppm (0 ~ 40 ℃ the entire working environment)
Laser frequency stabilization accuracy: ± 0.05ppm
Resolution: 0.001um
Measurement speed: 4.0m / sec
Sampling frequency: 50KHz
Measuring range: 0-80metres
Warm-up time: ~ 6 minutes