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Article Dans Une Revue Ultramicroscopy Année : 2011

Coherent microscopy by laser optical feedback imaging (LOFI) technique

Eric Lacot
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Olivier Jacquin
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Hugues Guillet de Chatellus
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Résumé

The application of the non conventional imaging technique LOFI (Laser Optical Feedback Imaging) to coherent microscopy is presented. This simple and efficient technique using frequency-shifted optical feedback needs the sample to be scanned in order to obtain an image. The effects on magnitude and phase signals such as vignetting and field curvature occasioned by the scanning with galvanometric mirrors are discussed. A simple monitoring method based on phase images is proposed to find the optimal position of the scanner. Finally, some experimental results illustrating this technique are presented.
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Dates et versions

hal-00709759 , version 1 (19-06-2012)

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Citer

Olivier Hugon, Fadwa Joud, Eric Lacot, Olivier Jacquin, Hugues Guillet de Chatellus. Coherent microscopy by laser optical feedback imaging (LOFI) technique. Ultramicroscopy, 2011, 111, pp.1557-1563. ⟨hal-00709759⟩
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