Phase retrieval is a long-standing problem in imaging when only the intensity of the wavefield can be recorded. Coherent diffraction imaging is a lensless technique that uses iterative algorithms to ...

The holographic 3D display is an important technology with excellent application prospects. However, the viewing angle of holographic 3D displays is currently limited by existing strategies. This ...

Holographic optical elements (HOEs) are essential in augmented reality (AR) displays, providing benefits such as design flexibility and improved optical efficiency. However, current materials' limited ...

A new publication from Opto-Electronic Advances, 10.29026/oea.2023.220157 discusses lensless complex amplitude demodulation based on deep learning in holographic data storage. In the era of big data, ...

(Nanowerk News) Researchers described a new strategy of designing metamolecules that incorporates two independently controllable subwavelength meta-atoms. This two-parametric control of the ...

Design, development and validation of a speckle-based, visible spectrum, image sensor modulation transfer function (MTF) test system. Investigated the technique of using visible (532nm) laser speckle ...

CHINA, January 22, 2024 /EINPresswire.com/ -- An ideal holographic 3D display should offer large viewing angle, full color, and low speckle noise. A new holographic ...