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Feedback-Based Imaging Enables Miniature Scanning Confocal Microscopes

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Daniel S. Burgess

As part of their work toward the development of a handheld scanning confocal microscope, researchers at Institut Femto-ST (Franche-Comté Electronique Mecanique Thermique et Optique — Sciences et Technologies) at Université de Franche-Comté in Besançon, France, have demonstrated a detection scheme that relies on optical feedback in a vertical-cavity surface-emitting laser (VCSEL). Although the approach ultimately may not be as sensitive as other laser-based methods that monitor optical power modulation, the investigators suggest that it promises a simpler setup, resulting in microscopes...Read full article

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    Published: July 2006
    FeaturesMicroscopySensors & Detectors

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