Three dimensional imaging of gold-nanoparticles tagged samples using phase retrieval with two focus planes

Tali Ilovitsh, Asaf Ilovitsh, Aryeh Weiss, Rinat Meir, Zeev Zalevsky

Research output: Contribution to journalArticlepeer-review

Abstract

Optical sectioning microscopy can provide highly detailed three dimensional (3D) images of biological samples. However, it requires acquisition of many images per volume, and is therefore time consuming, and may not be suitable for live cell 3D imaging. We propose the use of the modified Gerchberg-Saxton phase retrieval algorithm to enable full 3D imaging of gold-particle tagged samples using only two images. The reconstructed field is free space propagated to all other focus planes using post processing, and the 2D z-stack is merged to create a 3D image of the sample with high fidelity. Because we propose to apply the phase retrieving on nano particles, the regular ambiguities typical to the Gerchberg-Saxton algorithm, are eliminated. The proposed concept is presented and validated both on simulated data as well as experimentally.

Original languageEnglish
Article number15473
JournalScientific Reports
Volume5
DOIs
StatePublished - 26 Oct 2015
Externally publishedYes

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