Single-shot Full-field reflection phase microscopy

Zahid Yaqoob, Toyohiko Yamauchi, Wonshik Choi, Dan Fu, Ramachandra R. Dasari, Michael S. Fel

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

We present a full-field reflection phase microscope that combines low-coherence interferometry and off-axis digital holographic microscopy (DHM). The reflection-based DHM provides highly sensitive and a single-shot imaging of cellular dynamics while the use of low coherence source provides a depth-selective measurement. The setup uniquely uses a diffraction grating in the reference arm to generate an interference image of uniform contrast over the entire field-of-view albeit low-coherence light source. We have measured the path-length sensitivity of our instrument to be approximately 21 picometers Hz that makes it suitable for nanometer-scale full-field measurement of membrane dynamics in live cells.

Original languageEnglish
Pages (from-to)7587-7595
Number of pages9
JournalOptics Express
Volume19
Issue number8
DOIs
Publication statusPublished - 2011 Apr 11

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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