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Realizing the multiplexed manipulation of orbital angular momentum (OAM) and other degree of freedoms (DoFs) of photons in subwavelength scale is a highly desired goal in fields of photonics, integrated optics, and optical engineering.
Superconducting memlogic sensors merge in-cell logic and memory, advancing machine vision beyond traditional computing. These sensors utilize the quantum-sensitive and broad-spectrum capabilities of superconductors. We introduce a long-wave infrared sensor using superconductor-normal phase bistability, enabling deterministic, persistent switching.
Mid-infrared (MIR) temporal ghost imaging allows for reconstructing fast temporal objects using a commercially available MIR slow photodetector. To toward this goal, Scientists in China conceived a frequency downconversion temporal ghost imaging scheme that enables us to realize computational temporal ghost imaging in the mid-infrared.
In 1948, Dennis Gabor proposed the concept of holography. After 75 years of development, holographic imaging has become a powerful tool for optical wavefront measurement, which has given fresh energy to physics, biology, and materials science. Scientists in China regard the process of holographic recording and reconstruction as a transformation between complex-domain and real-domain, and discuss the mathematics and physical principles of reconstruction. The multidisciplinary nature brings it to label-free biology, wavefront sensing, and semiconductor production.
Dispersive devices and broadband laser sources are central building blocks for modern optical communication and processing systems. Urgent and demanding requirements have been placed today on spectrum analysis of these devices, for ever-increasing spectral bandwidth and frequency resolution. Current spectrometers have limitations to address these requirements.
Broadband electroluminescence based on environment-friendly emitters is promising for healthy lighting yet remains an unprecedented challenge to progress. Towards this goal, scientists in China developed a copper iodide nanocluster prepared by a one-step solution synthesis-deposition process, which shows broadband emission, high luminescent efficiency, and excellent stability. In consequence, ultra-boradband light-emitting diodes (LEDs) demonstrate high quantum efficiency, long operating lifetime, and excellent ambient resistance. The results highlight the potential of copper halide nanoclusters for next-generation healthy lighting.
The invention of a tool capable of unlocking previously impossible organic chemical reactions has opened new pathways in the pharmaceutical industry to create effective drugs more quickly.
Dr. Ryi, Shin-kun’s research team at the Hydrogen Convergence Materials Lab of the Korea Institute of Energy Research (KIER) has successfully developed a catalyst from industrial waste known as 'red mud,' a byproduct of aluminum production.
Advances in radiation therapy have provided groundbreaking innovations in treating children with brain tumors. Treatment methods are increasingly more precise to avoid damaging surrounding healthy tissue. Still, radiation therapy is not without risk, especially in an area as sensitive as the brain.
Cal State Fullerton earned the No. 16 spot out of 201 colleges on Washington Monthly’s 2024 list of America’s Best Bang for the Buck Colleges: West, moving up from No. 19 on the 2023 list.
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