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High speed sub-micrometric microscopy using optical polymer microlens

Abstract : We report the high speed scanning submicronic microscopy (SSM) using a low cost polymer microlens integrated at the extremity of an optical fiber. These microlenses are fabricated by a free-radical photopolymerization method. Using a polymer microlens with a radius of curvature of 250 nm, a sub-micrometric gold pattern is imaged experimentally by SSM. Different distances between the tip and the sample are used with a high scanning speed of 200 cm/s. In particular, metallic absorption contrasts are described with an optical spatial resolution of 250 nm at the wavelength of 532 nm. Moreover, finite-difference time-domain (FDTD) simulations concerning the focal lengths of microlenses with different geometries and heights support the experimental data.
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Journal articles
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https://hal-utt.archives-ouvertes.fr/hal-02359882
Contributor : Daniel Gavrysiak <>
Submitted on : Tuesday, November 12, 2019 - 3:35:56 PM
Last modification on : Friday, March 27, 2020 - 4:12:03 PM

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  • HAL Id : hal-02359882, version 1

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Xinhua Zeng, Jerome Plain, Safi Jradi, Philippe Renaud-Goud, Régis Déturche, et al.. High speed sub-micrometric microscopy using optical polymer microlens. Chinese Optics Letters, Optical Society of America (imprimé) / OSA publishing (en ligne), 2009, 7 (10), pp.901-903. ⟨hal-02359882⟩

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