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
Researchers have developed a new ultra-thin film that can create detailed 3D images viewable under normal illumination without any special reading devices. The images appear to float on top of the film and exhibit smooth ...
Optics & Photonics
Jun 23, 2022
0
297
