Washington University in St Louis

The Preston M. Green Department of
Electrical & Systems Engineering

We build novel imaging technologies

Lew Lab group photo

The Lew Lab builds advanced imaging systems to study biological and chemical systems at the nanoscale. Our technology leverages innovations in applied optics, signal and image processing, design optimization, and physical chemistry. We partner with scientists and engineers across all disciplines to develop technologies to solve unmet needs in science, medicine, and society.

We stand up for science

We stand up for science
Flyer adapted from Stand Up for Science. Learn about important policy goals here.

The Lew Lab is a team of inventors, thinkers, and problem solvers working at the intersection of science and technology.

Creating impactful technology is our passion

Lab news

Spotlight on Optics BannerMatt's Spotlight on Optics commentary on “Surface orientation ambiguity for single molecules at dielectric interfaces” from Dey et al. is now online. Check it out!

SPIE Photonics West LogoYuanxin gave a talk in the “Single Molecule Spectroscopy and Superresolution Imaging XIX” session at SPIE Photonics West. He spoke on “Sensing negative cone rotational diffusion of dipole-like emitters.”

Our collaborative work with the Pappu lab, “Nuclear speckle proteins form intrinsic and MALAT1-dependent microphases”, is now online in Cell. Congratulations, Min Kyung!

Pacifchem LogoMatt gave a talk in the “Advances in Single-Molecule and Single-Particle Imaging Symposium” at Pacifchem 2025. He spoke on “Single-fluorogen orientation-localization microscopy: fundamental limits, new developments, and applications.”

Optica Fellow logoMatt has been elected a Fellow Member of Optica by the Society’s Board of Directors. He is being recognized “For pioneering contributions to super-resolution microscopy, single-molecule imaging, and the development of innovative nanoscale sensing techniques.” Matt is deeply honored by the recognition, and extends his special thanks to all Lew Lab members, collaborators, and mentors, past and present! [McKelvey Engineering News]

Our correction to “Single-molecule orientation localization microscopy I: fundamental limits” is now online in JOSA A.

Yiyang and Yuanxin win poster award at SPECTRA conference 2025 SPECTRA student-led conference flyer Congratulations, Yiyang and Yuanxin, on receiving a second-place poster prize at the annual WashU SPECTRA student-led conference!

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