High-speed transport-of-intensity phase microscopy with an electrically tunable lens.

@article{Zuo2013HighspeedTP,
  title={High-speed transport-of-intensity phase microscopy with an electrically tunable lens.},
  author={Chao Zuo and Qian Chen and Weijuan Qu and Anand Asundi},
  journal={Optics express},
  year={2013},
  volume={21 20},
  pages={24060-75}
}
We present a high-speed transport-of-intensity equation (TIE) quantitative phase microscopy technique, named TL-TIE, by combining an electrically tunable lens with a conventional transmission microscope. This permits the specimen at different focus position to be imaged in rapid succession, with constant magnification and no physically moving parts. The simplified image stack collection significantly reduces the acquisition time, allows for the diffraction-limited through-focus intensity stack… CONTINUE READING
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