Lying between the infrared and millimeter wave regimes, terahertz waves possess many unique properties, prompting numerous compelling imaging applications, such as non-destructive testing, security screening, biomedical diagnosis, ...
Optics & Photonics
Oct 11, 2023
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15
High stable common-path digital holographic interferometers can be widely applied in long-term time-lapsing interferometric measurements, three-dimensional imaging, and quantitative phase imaging. Scientists in China reviewed ...
Optics & Photonics
Sep 23, 2021
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20
A research group led by Kobe University's Professor MATOBA Osamu (Organization for Advanced and Integrated Research) has successfully created 3-D fluorescence and phase imaging of living cells based on digital holography. ...
Optics & Photonics
Jun 1, 2020
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3
Shortly after lasers were first developed in the 1960s, LiDAR—whose name originated as a combination of "light" and "radar"—capitalized on the newly unique precision they offered for measuring both time and distance. ...
Optics & Photonics
Jun 27, 2017
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22
Fault tolerance in automobile production is increasingly diminishing. Until recently, this presented suppliers with a problem: There were no sufficient methods for detecting micro defects during production. Visual inspection ...
Engineering
May 30, 2017
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3
Noise originating from the coherent nature of laser light is the scourge of digital holography, reducing the quality of holographic images below that of conventional photographs. Now, Pasquale Memmolo of ISASI-CNR and collaborators ...
Optics & Photonics
Dec 29, 2016
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11
Transportation accidents, such as trucks crashing on a highway or rockets failing on a launch pad, can create catastrophic fires. It's important to understand how burning droplets of fuel are generated and behave in those ...
Optics & Photonics
Apr 27, 2015
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66
A million frames per second has been achieved in 3D digital holography of moving objects. The method, developed at Kyoto Institute of Technology in Japan, could be used to analyse high-speed phenomena, including plasmas and ...
General Physics
Nov 6, 2014
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0
Olympic swimmers aren't the only ones who change their strokes to escape competitors. To escape from the jaws and claws of predators in cold, viscous water, marine copepods switch from a wave-like swimming stroke to big power ...
Plants & Animals
Apr 2, 2013
1
0
(Phys.org)—Firefighters put their lives on the line in some of the most dangerous conditions on Earth. One of their greatest challenges, however, is seeing through thick veils of smoke and walls of flame to find people ...
Optics & Photonics
Feb 26, 2013
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