Researchers have developed and demonstrated new green-light absorbing transparent organic photodetectors that are highly sensitive and compatible with CMOS fabrication methods. Incorporating these new photodetectors into ...
Optics & Photonics
Aug 25, 2022
0
13
Researchers report an experimental demonstration of a space-to-ground quantum key distribution (QKD) network using a compact QKD terminal aboard the Chinese Space Lab Tiangong-2 and four ground stations. The new QKD system ...
Space Exploration
Aug 18, 2022
0
29
Researchers have developed a label-free and non-invasive Raman spectroscopy approach that can acquire microscopic images of biological samples and identify a wide range of biomolecules with unprecedented speed and sensitivity.
Optics & Photonics
Aug 17, 2022
0
17
Researchers have developed a new chip-based beam steering technology that provides a promising route to small, cost-effective and high-performance lidar (or light detection and ranging) systems. Lidar, which uses laser pulses ...
Optics & Photonics
Aug 4, 2022
0
601
Researchers have harnessed the light-guiding properties of spider silk to develop a sensor that can detect and measure small changes in the refractive index of a biological solution, including glucose and other types of sugar ...
Optics & Photonics
Aug 2, 2022
0
103
Researchers have created a new glass-ceramic that emits light in response to mechanical stress, a property known as mechanoluminescence. With further development, the new material could be used to create a light source that ...
Condensed Matter
Jul 26, 2022
1
909
Researchers have developed a new method for flexibly creating various needle-shaped laser beams. These long, narrow beams can be used to improve optical coherence tomography (OCT), a noninvasive and versatile imaging tool ...
Optics & Photonics
Jul 21, 2022
0
37
Researchers have shown that a quantum-inspired technique can be used to perform LiDAR imaging with a much higher depth resolution than is possible with conventional approaches. LiDAR, which uses laser pulses to acquire 3D ...
Optics & Photonics
Jul 13, 2022
0
565
Researchers have developed a way to create a 3D image of a leaked gas cloud that provides detailed information about the leak such as location, volume and concentration. The new automated detection approach could be used ...
Optics & Photonics
Jun 30, 2022
0
20
Researchers have shown that a new mid-infrared spectrometer can precisely measure the ratios of different forms of water—known as isotopologues—in atmospheric water vapor through open air in a little over 15 minutes. ...
Optics & Photonics
Jun 29, 2022
0
14
