BROSSARD, Mathilde; CAHYADI, Harsono; PERRIN, Mathias; DEGERT, Jérôme; FREYSZ, Eric; YASUI, Takeshi; ABRAHAM, Emmanuel

doi:10.1109/TTHZ.2017.2751249

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BROSSARD, Mathilde
New Terahertz Imaging Systems [NeTHIS]
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

CAHYADI, Harsono
Tokushima University

PERRIN, Mathias
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

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IEEE Transactions on Terahertz Science and Technology. 2017, vol. 7, n° 6, p. 741-746

Institute of Electrical and Electronics Engineers

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We report on the development of a wavefront sensor for terahertz pulses using a direct two-dimensional electro-optic imaging system composed of a ZnTe crystal and a CMOS camera. By measuring the phase variation of the terahertz electric field in the crystal plane, we are able to reconstruct the terahertz (THz) wavefront in order to determine the optical aberrations of the optical system. Associated with deformable mirrors or specifically designed optics, the sensor will open the route to terahertz adaptive optics.< Leer menos

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Optical aberrations

sensor

terahertz (THz)

wavefront

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Direct Wavefront Measurement of Terahertz Pulses Using Two-Dimensional Electro-Optic Imaging

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