How does your phone know it's you when you use facial recognition to unlock it? An array of tiny lasers light up your face, and your phone uses the reflection to construct a 3D model—not unlike a topographical map of your ...
Optics & Photonics
Dec 12, 2022
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9
(Phys.org) —Researchers from North Carolina State University have come up with a low-cost way to enhance a polymer called MEH-PPV's ability to confine light, advancing efforts to use the material to convert electricity ...
Optics & Photonics
Mar 18, 2013
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Researchers from Universidad Politécnica de Madrid, in collaboration with Universitat Politécnica de Valencia and CIBER's Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), have designed a laser device specifically ...
Optics & Photonics
Apr 7, 2017
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11
Lasers are widely used in many areas of science, industry and medicine and the quality of the beams they produce needs to be measured to make sure they perform correctly. As electronic devices become smaller and smaller over ...
Optics & Photonics
May 10, 2013
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Bathymetric lidars – devices that employ powerful lasers to scan beneath the water's surface – are used today primarily to map coastal waters. At nearly 600 pounds, the systems are large and heavy, and they require costly, ...
Engineering
Dec 4, 2014
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1
Researchers have developed a unique inkjet printing method for fabricating tiny biocompatible polymer microdisk lasers for biosensing applications. The approach enables production of both the laser and sensor in a room temperature, ...
Optics & Photonics
Feb 3, 2021
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83
By achieving the synthesis of a novel nanohybrid structure by means of the pulsed laser ablation (PLA) technique, Professor My Ali El Khakani and his team paved the way for a new generation of optoelectronic materials. The ...
Nanomaterials
Jan 25, 2013
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0
3D printers form objects by layering melted plastic or metal, but this only works on large scales. What you need to fabricate microdevices for which the layering step is not feasible? What if it were possible to print directly ...
Optics & Photonics
May 10, 2023
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20
Scientists at the U.S. Naval Research Laboratory have recently demonstrated a new nonmechanical chip-based beam steering technology that offers an alternative to costly, cumbersome and often unreliable and inefficient mechanical ...
Optics & Photonics
Nov 19, 2018
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6
Tohoku University researchers have developed a computational simulation that shows that using ultrafast laser pulses to excite electrons in a magnetic material switches them into a transient non-magnetic state. This could ...
General Physics
Dec 7, 2017
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