Concrete fractures that are invisible to the naked eye stand out in images produced through a technique created at Rice University.
Materials Science
Jan 25, 2022
1
382
Scientists have developed a high-efficiency beam steering angle expander consisting of two liquid crystal polymeric diffractive optical elements. For a LiDAR (light detection and ranging) operating at 905 nm, the steering ...
Optics & Photonics
Jul 1, 2021
0
3
A group of researchers led by Brazilians has used an innovative model to map gaps in the Amazon rainforest and identify factors that contribute to tree mortality. Water stress, soil fertility, and anthropic forest degradation ...
Environment
Apr 13, 2021
0
15
Light Detection And Ranging (LiDAR) has been well known as it offers high ranging accuracy, and shows promising prospects in autonomous vehicles and various field. Traditional frequency modulated continuous wave (FMCW) LiDAR ...
Optics & Photonics
Mar 26, 2021
0
10
Two images of the same front steps: one taken with a camera and the other with a flash imaging LiDAR, the laser equivalent of radar, under development for future space missions.
Optics & Photonics
Jan 26, 2021
0
7
Recently, the research team led by academician GUO Guangcan from the University of Science and Technology of China of the Chinese Academy of Sciences has made security analysis and improvement of source independent quantum ...
Quantum Physics
Jan 14, 2021
0
14
In a peninsula far, far away, a laser shoots into the sky to study the Antarctic atmosphere at Concordia research station.
Space Exploration
Aug 4, 2020
0
13
Researchers have shown that a detection technology borrowed from quantum optics can be used to perform optical coherence tomography (OCT) with much lower light power than previously possible. This could greatly improve the ...
Optics & Photonics
Jun 17, 2020
1
151
Light detection and ranging (LiDAR) comprises an array of techniques using laser light to measure distances by multiplying the time delay between transmitted and received optical signals with the speed of light. Modern 3-D ...
Optics & Photonics
May 13, 2020
0
141
Polarized light detection plays an important role in remote sensing, near-field imaging, communication, and high resolution detectors. However, it remains a great challenge to achieve highly polarization-sensitive photodetection ...
Nanophysics
Mar 5, 2020
0
6
