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Proceedings Paper

Digital holographic microscopy at fundamental and second harmonic wavelengths
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Paper Abstract

Optical second harmonic generation, thanks to its coherent nature, is a suitable signal for interferometric measurements, such as digital holography: a well-established imaging technique that allows recovering of the complex diffraction wavefields from which it is possible to extract both amplitude-contrast and quantitative phase images. We believe that application of digital holography to non-linear optical fields might ultimately be the key to phase-related functional imaging. In a first approach, we report here on second harmonic generation digital holographic microscopy, and present its application to (1) discrimination of nanoparticles of different nature - here polystyrene microspheres and barium titanate (BaTiO3) nanoparticles - and to (2) 3D-mapping of a distribution of BaTiO3 nanoparticles.

Paper Details

Date Published: 1 July 2009
PDF: 5 pages
Proc. SPIE 7367, Advanced Microscopy Techniques, 736716 (1 July 2009); doi: 10.1117/12.831494
Show Author Affiliations
Etienne Shaffer, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Christian Depeursinge, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 7367:
Advanced Microscopy Techniques
Paul J. Campagnola; Ernst H. K. Stelzer; Gert von Bally, Editor(s)

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