Researchers have developed new 3-D-printed microlenses with adjustable refractive indices—a property that gives them highly specialized light-focusing abilities. This advancement is poised to improve imaging, computing ...
Optics & Photonics
Dec 3, 2020
0
68
Lawrence Livermore National Laboratory (LLNL) researchers have used multi-material 3-D printing to create tailored gradient refractive index glass optics that could make for better military specialized eyewear and virtual ...
Optics & Photonics
Nov 19, 2020
0
71
Rainbows are formed when light bends—or refracts—as it enters and exits a water droplet. The amount that the light bends depends on the color of the light, resulting in white light being separated into a beautiful spectrum ...
Optics & Photonics
Nov 12, 2020
0
99
Microscopic crystals in tantalum disulfide have a starring role in what could become a hit for 3-D displays, virtual reality and even self-driving vehicles.
Nanophysics
Sep 2, 2020
0
137
A lens that is a thousand times thinner than a human hair has been developed in Brazil by researchers at the University of São Paulo's São Carlos School of Engineering (EESC-USP). It can serve as a camera lens in smartphones ...
Optics & Photonics
Aug 24, 2020
0
2115
Researchers reported a novel technology enhancing the high transparency of refractive polymer film via a one-step vapor deposition process. The sulfur-containing polymer (SCP) film produced by Professor Sung Gap Im's research ...
Optics & Photonics
Aug 4, 2020
1
18
One of the challenges of optical microscopy is to continually increase the imaging power, or resolution. In the past three hundred odd years, scientists have been building ever-better microscopes. The limit, for a long time, ...
Optics & Photonics
May 14, 2020
0
235
In the 1950s, the field of electronics began to change when the transistor replaced vacuum tubes in computers. The change, which entailed replacing large and slow components with small and fast ones, was a catalyst for the ...
Optics & Photonics
Jan 30, 2020
0
70
A new technique for continuously monitoring both the size and optical properties of individual airborne particles could offer a better way to monitor air pollution. It is especially promising for analyzing fine particulate ...
Optics & Photonics
Nov 11, 2019
0
186
Biomedical engineers at Duke University have devised a method for increasing the resolution of optical coherence tomography (OCT) down to a single micrometer in all directions, even in a living patient. The new technique, ...
Optics & Photonics
Aug 27, 2019
0
58
