(Phys.org) -- A simple longitudinal twist converts certain microstructured optical fibres into filters. Researchers at the Max Planck Institute for the Science of Light in Erlangen have measured this effect in detail in photonic ...
Optics & Photonics
Aug 7, 2012
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In the aftermath of the Jan. 12 earthquake that struck Haiti's capital, Port-au-Prince, scientists from Rochester Institute of Technology are sweeping the leveled city with high-tech imaging integrated into a small aircraft.
Earth Sciences
Jan 22, 2010
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For the first time, researchers have used a chip-based sensor with an integrated laser to detect very low levels of a cancer protein biomarker in a urine sample. The new technology is more sensitive than other designs and ...
Optics & Photonics
Dec 4, 2019
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(Phys.org)—There are many ways to create three dimensional objects on a micrometer scale. But how can the chemical properties of a material be tuned at micrometer precision? Scientists at the Vienna University of Technology ...
Materials Science
Aug 27, 2012
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A sensor that relies on reflected light to analyze biomedical and chemical samples now has greater sensitivity, thanks to a carpet of gold nanoparticles. Xia Yu of the A*STAR Singapore Institute of Manufacturing Technology, ...
Nanophysics
Jun 5, 2013
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Detection of rare cells in blood and other bodily fluids has numerous important applications including diagnostics, monitoring disease progression and evaluating immune response. For example, detecting and collecting circulating ...
Optics & Photonics
Oct 8, 2019
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To warn of chemical attacks and help save lives, it's vital to quickly determine if even trace levels of potentially deadly chemicals—such as the nerve gas sarin and other odorless, colorless agents—are present. ...
Optics & Photonics
Aug 14, 2012
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Researchers at Eindhoven University of Technology have developed a new, integrated optical sensor that provides increased resolution in measurements and paves the way for fully integrated and compact optical sensors including ...
Bio & Medicine
May 20, 2020
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39
Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at the correct power.
Optics & Photonics
Sep 18, 2018
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40
There is a growing demand for portable gas sensors, from both environmental and health sciences users as well as industry. Resonant optical sensors, in particular planar micro-resonators, combine high sensitivity and small ...
Optics & Photonics
Jul 14, 2023
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