TREA

by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained

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Industry

  • CPC
  • G01J9/04
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Parent Industries

GPHYSICS G01Measuring instruments G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY G01J9/00Measuring optical phase difference Determining degree of coherence Measuring optical wavelength

Current Industry

G01J9/04by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
Industries