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Towards Ultrasensitive Phase-Shift Metrology With Nonlinear Optical Transient Detection (JM4A.64)

Presenter: German de Valcarcel, Universitat de Valencia

Optical interferometry provides the most accurate spatial measurements. Here, we demonstrate, experimentally and theoretically, a massive improvement over existing techniques using nonlinear photorefractive wave-mixing and tabletop Mach-Zehnder interferometers, allowing displacement measurements with sub-nanometer accuracy.

Authors:Adolfo Esteban-Martin, Universitat de Valencia / Jose Esteve-Taboada, Universitat de Valencia / Fernando Silva, Universitat de Valencia / Eugenio Roldan, Universitat de Valencia / Javier Garcia-Monreal, Universitat de Valencia / German de Valcarcel, Universitat de Valencia

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