Lock-In Amplified Differential Phase Contrast

Chiara Bonati; Damien Loterie; Timothé Laforest; Christophe Moser

doi:10.1364/ISA.2021.ITh1B.4

OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2021),
paper ITh1B.4
•https://doi.org/10.1364/ISA.2021.ITh1B.4

Lock-In Amplified Differential Phase Contrast

Chiara Bonati, Damien Loterie, Timothé Laforest, and Christophe Moser

Imaging Systems and Applications 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-89-7

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Novel Imaging Technologies II (ITh1B)

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C. Bonati, D. Loterie, T. Laforest, and C. Moser, "Lock-In Amplified Differential Phase Contrast," in OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP), H. Hua, B. Javidi, M. Martinez-Corral, O. Matoba, A. Stern, S. Thibault, T. Alieva, J. Ke, F. Willomitzer, F. Okten, P. Silveira, P. Banerjee, E. Stoykova, D. Chu, J. Park, F. Imai, C. Joo, M. Digman, D. Gardner, S. Gladysz, D. LeMaster, S. Basu, and O. Korotkova, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper ITh1B.4.

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Abstract

A method for lock-in amplified differential phase contrast is described, which gives background-free, high contrast-to-noise ratio phase images. We show the advantages of this approach, and demonstrate its performance compared to standard DPC.

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