Metasurface-based bijective illumination collection imaging provides high-resolution tomography in three dimensions [0.03%]
基于超表面双射光采集成像的三维高分辨率层析成像技术
Masoud Pahlevaninezhad,Yao-Wei Huang,Majid Pahlevani et al.
Masoud Pahlevaninezhad et al.
Microscopic imaging in three dimensions enables numerous biological and clinical applications. However, high-resolution optical imaging preserved in a relatively large depth range is hampered by the rapid spread of tightly confined light du...
Sun Il Kwon,Ryosuke Ota,Eric Berg et al.
Sun Il Kwon et al.
X-ray and gamma-ray photons are widely used for imaging but require a mathematical reconstruction step, known as tomography, to produce cross-sectional images from the measured data. Theoretically, the back-to-back annihilation photons prod...
Suleman Surti,Joel S Karp
Suleman Surti
Measurement of the arrival times of annihilation photons in a detector with greater precision is opening the way to new direct forms of tomographic positon emission imaging that do not require back-projection based reconstruction techniques...
Kevin C Zhou,Ruobing Qian,Simone Degan et al.
Kevin C Zhou et al.
Optical coherence tomography (OCT) is a cross-sectional, micron-scale imaging modality with widespread clinical application. Typical OCT systems sacrifice lateral resolution to achieve long depths of focus for bulk tissue imaging, and hence...
Excitonic transport driven by repulsive dipolar interaction in a van der Waals heterostructure [0.03%]
范德华异质结构中由排斥偶极子相互作用驱动的激子传输
Zhe Sun,Alberto Ciarrocchi,Fedele Tagarelli et al.
Zhe Sun et al.
Dipolar bosonic gases are currently the focus of intensive research due to their interesting many-body physics in the quantum regime. Their experimental embodiments range from Rydberg atoms to GaAs double quantum wells and van der Waals het...
Philipp Täschler,Mathieu Bertrand,Barbara Schneider et al.
Philipp Täschler et al.
The quantum cascade laser has evolved to be a compact, powerful source of coherent mid-infrared light; however, its fast gain dynamics strongly restricts the formation of ultrashort pulses. As such, the shortest pulses reported so far were ...
Ali W Elshaari,Wolfram Pernice,Kartik Srinivasan et al.
Ali W Elshaari et al.
Recent developments in chip-based photonic quantum circuits has radically impacted quantum information processing. However, it is challenging for monolithic photonic platforms to meet the stringent demands of most quantum applications. Hybr...
Solution-processed PbS quantum dot infrared laser with room-temperature tuneable emission in the optical telecommunications window [0.03%]
在光学通信窗口可调节室温发射的溶液处理的PbS量子点红外激光器
G L Whitworth,M Dalmases,N Taghipour et al.
G L Whitworth et al.
Solution processed semiconductor lasers have achieved much success across the nanomaterial research community, including in organic semiconductors1,2, perovskites3,4 and colloidal semiconductor nanocrystals5,6. The ease of integration with ...
Chenfei Hu,Jeffrey J Field,Varun Kelkar et al.
Chenfei Hu et al.
Second-harmonic generation microscopy is a valuable label-free modality for imaging non-centrosymmetric structures and has important biomedical applications from live-cell imaging to cancer diagnosis. Conventional second-harmonic generation...
Multispectral Graphene-Based Electro-Optical Surfaces with Reversible Tunability from Visible to Microwave Wavelengths [0.03%]
可在可见光到微波波长范围内调节的多光谱石墨烯电磁表面
M Said Ergoktas,Gokhan Bakan,Evgeniya Kovalska et al.
M Said Ergoktas et al.
Optical materials with colour-changing abilities have been explored for display devices1, smart windows2,3, or modulation of visual appearance4-6. The efficiency of these materials, however, has strong wavelength dependence, which limits th...