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Z-scan sensitivity enhancement using a binary diffractive optics

Abstract : We report a theoretical study of the sensitivity enhancement of Z-scan technique, using a simple binary diffractive optical element. The latter is a phase aperture made from a transparent plate that has a circular relief introducing a π phase shift in the central region of the incident beam.We demonstrate that the phase aperture acts like a divergence multiplier allowing the Z-scan sensitivity to be increased by a factor of several hundred.
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https://hal-cea.archives-ouvertes.fr/cea-00324576
Contributor : Chantal Brassy <>
Submitted on : Thursday, September 25, 2008 - 2:29:19 PM
Last modification on : Thursday, February 7, 2019 - 5:30:58 PM

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  • HAL Id : cea-00324576, version 1

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Renaud de Saint Denis, Michael Fromager, Emmanuel Cagniot, Kamel Aït Ameur. Z-scan sensitivity enhancement using a binary diffractive optics. Applied Physics B - Laser and Optics, Springer Verlag, 2008, 90, pp.513-517. ⟨cea-00324576⟩

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