Electronics Letters · 1986 · 16 citations · 0 references
EngineeringMechanical EngineeringOpticsOptoelectronicsVibrationFiber OpticsMechanical MeasurementOptical FibersOptical InstrumentationOptical InstrumentsVibration MeasurementFiber Optic InstrumentsFiber-optic ProbesSingle-mode FibersSingle-mode Optical Fibers
A practical all-fibre laser vibrometer is described. The design has been optimised for hand-held use and incorporates a frequency-scanned laser diode and a single-mode optical fibre coupler. The vibration information is extracted by a pseudoheterodyne technique.