Search results for "Frequency shifter"

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Laser heterodyne displacement measuring using PLZT frequency shifter

1991

Abstract The implementation of a frequency shifter based on lead lanthanum zirconate titanate ceramic (PLZT) and a voltage-controlled λ/4 plate is described. The capabilities of these elements are demonstrated with results from a Michelson-type laser heterodyne displacement measuring interferometer with 0.01 μm accuracy and 1 Hz display update rate.

HeterodyneMaterials sciencebusiness.industryMetals and AlloysLanthanum zirconateCondensed Matter PhysicsLaserTitanateDisplacement (vector)Surfaces Coatings and FilmsElectronic Optical and Magnetic Materialslaw.inventionInterferometryOpticslawvisual_artvisual_art.visual_art_mediumFrequency shifterCeramicElectrical and Electronic EngineeringbusinessInstrumentationSensors and Actuators A: Physical

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