Optics/Photonics

Articles:
279 Neutron tomography of Van Leeuwenhoek’s microscopes.
https://advances.sciencemag.org/content/7/20/eabf2402

278 A near-infrared genetically encoded calcium indicator for in vivo imaging.
https://www.nature.com/articles/s41587-020-0710-1

277 Using deep learning for dermatologist-level detection of suspicious pigmented skin lesions from wide-field images.
https://stm.sciencemag.org/content/13/581/eabb3652

276 Multimodal imaging of bacterial-host interface in mice and piglets with Staphylococcus aureus endocarditis.
https://stm.sciencemag.org/content/12/568/eaay2104

275 Single-particle cryo-EM at atomic resolution.
https://www.nature.com/articles/s41586-020-2829-0

274 A submicrometre silicon-on-insulator resonator for ultrasound detection.
https://www.nature.com/articles/s41586-020-2685-y

273 DNA-based fluorescent probes of NOS2 activity in live brains.
https://www.pnas.org/content/117/26/14694

272 Observation of Laughlin states made of light.
https://www.nature.com/articles/s41586-020-2318-5

271 An ultrafast electron microscope tracks the dynamics of plasmonic skyrmions with high spatiotemporal resolution.
https://science.sciencemag.org/content/368/6489/eaba6415

270 Ultrafast vortex lasers with highly directional output and single-mode operation have been realized.
https://science.sciencemag.org/content/367/6481/1018

269 All-digital histopathology by infrared-optical hybrid microscopy.
https://www.pnas.org/content/117/7/3388

268 A topological laser based on the valley degree of freedom in a compact photonic crystal can be pumped electrically, bringing topological physics concepts closer to real-life applications.
https://www.nature.com/articles/s41586-020-1981-x

267 High-yield monolayer graphene grids for near-atomic resolution cryoelectron microscopy.
https://www.pnas.org/content/117/2/1009

266 Autonomous bioluminescence imaging of single mammalian cells with the bacterial bioluminescence system.
https://www.pnas.org/content/116/52/26491

265 Excitation of gas molecules with a quantum cascade laser provides a widely tunable source of terahertz radiation.
https://science.sciencemag.org/content/366/6467/856

264 Compact single-shot metalens depth sensors inspired by eyes of jumping spiders.
https://www.pnas.org/content/116/46/22959

263 Scalable submicrometer additive manufacturing.
https://science.sciencemag.org/content/366/6461/105

262 A charging process and compositional grading are used to develop stable low-threshold quantum dot lasers.
https://science.sciencemag.org/content/365/6454/672

261 Spatiotemporal light control with frequency-gradient metasurfaces.
https://science.sciencemag.org/content/365/6451/374

260 Generation of extreme-ultraviolet beams with time-varying orbital angular momentum.
https://science.sciencemag.org/content/364/6447/eaaw9486

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