Aperture scanning Fourier ptychographic microscopy

Creators: Ou, Xiaoze; Chung, Jaebum; Horstmeyer, Roarke; Yang, Changhuei

Abstract

Fourier ptychographic microscopy (FPM) is implemented through aperture scanning by an LCOS spatial light modulator at the back focal plane of the objective lens. This FPM configuration enables the capturing of the complex scattered field for a 3D sample both in the transmissive mode and the reflective mode. We further show that by combining with the compressive sensing theory, the reconstructed 2D complex scattered field can be used to recover the 3D sample scattering density. This implementation expands the scope of application for FPM and can be beneficial for areas such as tissue imaging and wafer inspection.

Additional Information

© 2016 Optical Society of America. Received 20 Apr 2016; revised 23 Jun 2016; accepted 17 Jul 2016; published 29 Jul 2016. The authors thank Haojiang Zhou and Hangwen Lu for discussions and help with experiments. The authors acknowledge funding support from FLUOROFM (grant no. R01 AI096226) and CII 2015 (grant no. 32070065).

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