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Snapshot Phase-Shifting Diffraction Phase Microscope

This invention proposes combining snapshot phase-shifting interferometry with high resolution polarization imaging to create quantitative phase maps from diffraction microscopy. A polarization grating separates the incident beam into object and reference beams, and a digital camera captures four phase-shifted interferograms from polarization filters...

Published: 4/3/2023 | Inventor(s): Rongguang Liang, Xiaobo Tian

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry

Phase Unwrapping by Neural Network

This technology is a novel method for phase unwrapping in optical imaging in a more efficient and accurate way. It uses unwrapping algorithms based on a transport of an intensity equation with a convolutional neural network to unwrap the phase. This novel method uses a multi-class classification process and introduces an efficient segmentation network...

Published: 4/3/2023 | Inventor(s): Rongguang Liang, Junchao Zhang, Xiaobo Tian, Jianbo Shao

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Optical Fab / Metrology