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Journal Articles Applied Physics B - Laser and Optics Year : 2009

Considerations about Z-scan sensitivity improvement: theory versus experiments

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Abstract

This paper reports an experimental demonstration of the improvement of the Z-scan technique's sensitivity. It is shown that this sensitivity can be multiplied by a factor equal to almost 400 with the help of simple binary diffractive elements. Such a possibility was actually predicted theoretically in one of our previous papers. In this study, the interpretation is investigated in a wider context taking into account the definition of the signal normalisation as introduced by Z-scan and the well-known eclipsing Z-scan (EZ-scan) experiments. In particular, advantages and drawbacks are compared, by looking at the normalised or the unnormalised aperture transmission.

Dates and versions

cea-00407924 , version 1 (27-07-2009)

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T. Godin, Michael Fromager, B. Päivänranta, Nicolas Passilly, G. Boudebs, et al.. Considerations about Z-scan sensitivity improvement: theory versus experiments. Applied Physics B - Laser and Optics, 2009, 95 (3), pp.579-587. ⟨10.1007/s00340-009-3459-2⟩. ⟨cea-00407924⟩
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