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Journal Articles Applied Physics B - Laser and Optics Year : 2008

Z-scan sensitivity enhancement using a binary diffractive optics

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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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Dates and versions

cea-00324576 , version 1 (25-09-2008)

Identifiers

  • 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, 2008, 90, pp.513-517. ⟨cea-00324576⟩
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