One of the differences between lasers and desk lamps is that laser light is spatially coherent, meaning the peaks and valleys of the light waves are correlated with each other. The jumbled, uncorrelated waves coming from ...
Optics & Photonics
Sep 16, 2016
49
452
The EU ULTRALASER project is proving that lasers can be more than just sources of coherent light. With the right configuration, they can also serve as a transmission medium – a development that opens the door to an array ...
Optics & Photonics
Jul 28, 2016
0
26
Imagine a hand-held environmental sensor that can instantly test water for lead, E. coli, and pesticides all at the same time, or a biosensor that can perform a complete blood workup from just a single drop. That's the promise ...
Nanophysics
Feb 16, 2016
0
1050
A new approach that uses light to move mirrors could usher in a new generation of laser technology for a wide range of applications, including remote sensing, self-driving car navigation and 3D biomedical imaging.
Optics & Photonics
Sep 3, 2015
3
79
X-rays from the Linac Coherent Light Source were used to measure the ultrafast response of DNA nucleobases to ultraviolet light. Researchers found that the UV excited state in the nucleobase thymine decays rapidly, harmlessly ...
General Physics
Jun 16, 2015
0
13
A space-based system that relies on lasers to generate and deliver energy to spacecraft has won a University of Alabama in Huntsville (UAH) professor a U.S. patent and could become a first-line defense against asteroids on ...
Engineering
Jun 9, 2015
1
140
Ultrashort light pulses make it possible to observe chemical reactions, opening up the field of femtochemistry. Other current and/or future applications include high capacity telecommunications systems, photonic switching ...
Optics & Photonics
Jun 3, 2015
0
43
A painting hanging on the wall in an art gallery tells one story. What lies beneath its surface may tell quite another.
Optics & Photonics
Apr 13, 2015
0
41
Imagine you need to have an almost exact copy of an object. Now imagine that you can just pull your smartphone out of your pocket, take a snapshot with its integrated 3-D imager, send it to your 3-D printer, and within minutes ...
Optics & Photonics
Apr 3, 2015
2
902
In a recent study from Lund University in Sweden, researchers have used new technology to study extremely fast processes in solar cells. The research results form a concrete step towards more efficient solar cells.
General Physics
Dec 19, 2014
1
0
