ArticleOptics express2015
Digital micromirror device-based laser-illumination Fourier ptychographic microscopy.
Article in Optics express, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 73 citations in OpenAlex.
- Fourier ptychographic coherence scanning interferometry for 3D morphology of high aspect ratio and composite micro-trenches.Light, science & applications · 2026Article
- Fourier synthesis optical diffraction tomography for kilohertz rate volumetric imaging.Science advances · 2025Article
- DMD and microlens array as a switchable module for illumination angle scanning in optical diffraction tomography.Biomedical optics express · 2024Article
- Aberration Estimation for Synthetic Aperture Digital Holographic Microscope Using Deep Neural Network.Sensors (Basel, Switzerland) · 2023Article
- Optical ptychography for biomedical imaging: recent progress and future directions [Invited].Biomedical optics express · 2023Review
- Dither removing Fourier ptychographic microscope based on a two-axis rotation stage.Journal of biomedical optics · 2021Article
- Article
- Near-field Fourier ptychography: super-resolution phase retrieval via speckle illumination.Optics express · 2019Article
- Ultra-high speed digital micro-mirror device based ptychographic iterative engine method.Biomedical optics express · 2017Article
- Wide-field Fourier ptychographic microscopy using laser illumination source.Biomedical optics express · 2016Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
We report a novel approach to Fourier ptychographic microscopy (FPM) by using a digital micromirror device (DMD) and a coherent laser source (532 nm) for generating spatially modulated sample illumination. Previously demonstrated FPM systems are all based on partially-coherent illumination, which offers limited throughput due to insufficient brightness. Our FPM employs a high power coherent laser source to enable shot-noise limited high-speed imaging. For the first time, a digital micromirror device (DMD), imaged onto the back focal plane of the illumination objective, is used to generate spatially modulated sample illumination field for ptychography. By coding the on/off states of the micromirrors, the illumination plane wave angle can be varied at speeds more than 4 kHz. A set of intensity images, resulting from different oblique illuminations, are used to numerically reconstruct one high-resolution image without obvious laser speckle. Experiments were conducted using a USAF resolution target and a fiber sample, demonstrating high-resolution imaging capability of our system. We envision that our approach, if combined with a coded-aperture compressive-sensing algorithm, will further improve the imaging speed in DMD-based FPM systems.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.