Researchers have developed a new non-invasive optical imaging system that promises to improve diagnosis and treatments for dry eye disease. Dry eye, which often causes irritation and blurred vision, occurs when there is instability ...
Optics & Photonics
Oct 4, 2019
0
159
Researchers have created a silicon carbide (SiC) photonic integrated chip that can be thermally tuned by applying an electric signal. The approach could one day be used to create a large range of reconfigurable devices such ...
Optics & Photonics
Oct 2, 2019
0
175
Researchers have developed a new microwave imager chip that could one day enable low-cost handheld microwave imagers, or cameras. Because microwaves can travel through certain opaque objects, the new imagers could be useful ...
Optics & Photonics
Sep 26, 2019
1
66
Researchers have developed a new laser-based system that offers an efficient and low-cost way to detect fires in challenging environments such as industrial facilities or large construction sites. With further development, ...
Optics & Photonics
Sep 25, 2019
0
14
For the first time, researchers have captured neutron tomography images in about a second, nearly an order of magnitude faster than previously reported attempts. Until recently, long image acquisition times have been the ...
Optics & Photonics
Sep 24, 2019
0
32
Researchers have announced a prototype for a laser at the heart of the first space-based gravitational wave observatory, known as the Laser Interferometer Space Antenna (LISA) mission. The team's new laser nearly meets the ...
Optics & Photonics
Sep 18, 2019
0
35
Detecting landmines can be a challenging and slow process. Detecting them from a moving vehicle would make the process more speedy, but at the expense of accuracy.
Optics & Photonics
Sep 13, 2019
1
467
Researchers have developed advanced optical security features that use a two-piece metamaterial system to create a difficult-to-replicate optical phenomenon. Metamaterials are engineered to have a property that is not found ...
Optics & Photonics
Sep 12, 2019
0
160
For the first time, researchers have used ultra-thin layers of 2-D structures known as metasurfaces to create holograms that can measure the polarization of light. The new metasurface holograms could be used to create very ...
Optics & Photonics
Sep 12, 2019
0
174
Researchers have developed the first fully-integrated, non-dispersive infrared (NDIR) gas sensor enabled by specially engineered synthetic materials known as metamaterials. The sensor has no moving parts, requires little ...
Optics & Photonics
Aug 29, 2019
0
31
