A rough quasi‐conformal mapping strategy breaks the rigid geometric constraints of transformation optics. By trading perfect local angle preservation for a dramatically reduced refractive index, this design paradigm enables the creation of ultra‐flat, wide‐angle, and even omnidirectional lenses that are both high‐performance and manufacturable, opening
Feiyang Deng, Jiawen Hao, Kwai Man Luk
wiley +1 more source
Factors Affecting Ray Trace LASIK Data Acquisition in Clinical Practice: Options for Addressing Accommodation. [PDF]
Thananjeyan AL, Bala C.
europepmc +1 more source
Compact Spectral Imaging: A Review of Miniaturized and Integrated Systems
This review explores the rapid shift toward compact spectral imaging systems by examining four key design paradigms: Do‐It‐Yourself (DIY) platforms, freeform optics, filter‐on‐chip integration, and multifunctional metasurfaces. The discussion highlights critical applications in medicine, agriculture, and environmental monitoring, providing comparative ...
Sani Mukhtar, Amir Arbabi, Jaime Viegas
wiley +1 more source
Inverse-designed metasurfaces for wavefront restoration in under-display camera systems. [PDF]
Jo J +5 more
europepmc +1 more source
Customizing 3D Polarization Structures at Second Harmonic Frequency
The nonlinear optical metasurfaces that can generate second harmonic waves (SHWs) and manipulate 3D polarization structures are designed and fabricated. Based on the concept of nonlinear geometric phase, the desired phase distributions of the SHWs are encoded onto the metasurfaces by using gold C3 meta‐atoms.
Rong Rong +6 more
wiley +1 more source
Orbital Angular Momentum Meta‐Holography with Full‐Polarization Control
This work demonstrates full‐polarization‐controlled orbital angular momentum (OAM) holography using a single‐layer dielectric metasurface. By independently modulating the complex‐amplitude distributions of two circular polarizations, arbitrary spatially varying polarization is achieved while preserving OAM properties.
Yue Han +6 more
wiley +1 more source
Objective Depth-of-Focus Estimation from Wavefront Measurements After Implantation of an Isofocal Intraocular Lens. [PDF]
Hosny M +4 more
europepmc +1 more source
High‐Resolution 3D Imaging with Tunable Point Cloud Projection Based on Meta‐Device
A meta‐based tunable point cloud projection that enables high‐resolution 3D imaging through a dynamic meta‐device is demonstrated. By adjusting spatial sampling, the system achieves significantly sharper reconstructions while remaining compact. The innovation opens new possibilities for applications such as facial recognition, augmented reality, and ...
Yin Zhou +6 more
wiley +1 more source
Correction: Dou et al. Performance Calibration of the Wavefront Sensor's EMCCD Detector for the Cool Planets Imaging Coronagraph Aboard CSST. <i>J. Imaging</i> 2025, <i>11</i>, 203. [PDF]
Dou J +7 more
europepmc +1 more source

