New research shows how to measure the super-short bursts of high-frequency light emitted from free electron lasers (FELs). By using the light-induced ionization itself to create a femtosecond optical shutter, the technique ...
Optics & Photonics
Apr 14, 2021
0
192
A number of important biological processes, such as photosynthesis and vision, depend on light. But it's hard to capture responses of biomolecules to light because they happen almost instantaneously.
General Physics
May 5, 2016
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24
In electronics, the race for smaller is huge. Physicists at the University of Cincinnati are working to harness the power of nanowires, microscopic wires that have the potential to improve solar cells or revolutionize fiber ...
Nanophysics
Mar 16, 2017
1
14
(Phys.org) —The flip of a light switch – a nano-scale light switch – may some day dramatically boost the speed of data transmission, from streaming movies to accelerating the most data-intense computation. Today, information ...
Nanophysics
Mar 6, 2014
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0
High-repetition-rate pulsed lasers serve a wide range of applications, from optical communications to microwave photonics and beyond. Generating trains of ultrashort optical pulses commonly involves locking phases of longitudinal ...
Optics & Photonics
Mar 26, 2020
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56
Would you like to capture a chemical transformation inside a cell live? Or maybe revolutionize microchips' production by printing paths in a layer that has a thickness of just 100 nanometers? These and many other goals can ...
Optics & Photonics
Jan 11, 2021
1
61
In a new publication from Opto-Electronic Advances, authors from the Laser Engineering Group in the School of Engineering at the University of Liverpool, Liverpool, United Kingdom, discuss two-photon absorption and stimulated ...
Optics & Photonics
Feb 17, 2022
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6
Researchers from North Carolina State University have developed more accurate measurements of how efficiently a polymer called MEH-PPV amplifies light, which should advance efforts to develop a new generation of lasers and ...
General Physics
Jul 25, 2013
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0
When molecules interact with the oscillating field of a laser, an instantaneous, time-dependent dipole is induced. This very general effect underlies diverse physical phenomena such as optical tweezers, for which Arthur Ashkin ...
Optics & Photonics
Jan 18, 2019
0
12
Pulse lasers built entirely on optical fibers are increasingly used by industry. Optical scientists from the Warsaw Laser Centre of the Institute of Physical Chemistry of the Polish Academy of Sciences and the Faculty of ...
Optics & Photonics
Feb 24, 2017
0
15
