PUBLICATION

Fast 3-D temporal focusing microscopy using an electrically tunable lens

Authors
Jiang, J., Zhang, D., Walker, S., Gu, C., Ke, Y., Yung, W.H., Chen, S.C.
ID
ZDB-PUB-150926-1
Date
2015
Source
Optics express   23: 24362-24368 (Journal)
Registered Authors
Walker, Steven
Keywords
none
MeSH Terms
none
PubMed
26406641 Full text @ Opt. Express
Abstract
In this paper, we present a 3-D temporal focusing microscope based on an electrically tunable lens (ETL) and a femtosecond regenerative laser amplifier. The focus-tunable lens provides a fast and compact way to perform non-mechanical z-scanning and resolves the blurry image issue compared with GVD-based z-scanning methods. The optical performance of the temporal focusing system, including z-scanning characteristics, the associated the magnification variation, and the lateral and axial resolution, has been studied and characterized using calibrated Rhodamine-6G thin film sample, fluorescent beads, and pollen samples. Lastly, we demonstrate the optical cross-sectioning and z-scanning capability with an in vivo experiment, where Ca2+ imaging of neurons in GaCamp6 labeled zebrafish was performed.
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