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Biomed Opt Express. 2010 Dec 6;2(1):80-8. doi: 10.1364/BOE.2.000080.

High speed multiphoton axial scanning through an optical fiber in a remotely scanned temporal focusing setup.

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1
Applied and Engineering Physics, Cornell University, Ithaca, NY 14850, USA.

Abstract

Simultaneous spatial and temporal focusing is used to acquire high speed (200Hz), chemically specific axial scans of mouse skin through a single-mode fiber. The temporal focus is remotely scanned by modulating the group delay dispersion (GDD) at the proximal end of the fiber. No moving parts or electronics are required at the distal end. A novel GDD modulation technique is implemented using a piezo bimorph mirror in a folded grating pair to achieve a large GDD tuning range at high speed.

KEYWORDS:

(170.3880) Medical and biological imaging; (180.5810) Scanning microscopy; (230.2035) Dispersion compensation devices

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