Inspired perhaps by Harry Potter's invisibility cloak, scientists have recently developed several ways—some simple and some involving new technologies—to hide objects from view. The latest effort, developed at the University ...
Optics & Photonics
Nov 19, 2014
17
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In a new study, researchers used 3D printing and low-cost parts to create an inexpensive hyperspectral imager that is light enough to use onboard drones. They offer a recipe for creating these imagers, which could make the ...
Optics & Photonics
Feb 28, 2018
3
2116
Scientists from the Kavli Institute for the Physics and Mathematics of the Universe and the University of Minnesota, Tomotake Matsumura and Shaul Hanany, and their collaborators have made a new type of optical element that ...
Optics & Photonics
Jan 27, 2022
0
341
(Phys.org)—In a study that could lead to advances in the emerging fields of optical computing and nanomaterials, researchers at Missouri University of Science and Technology report that a new class of nanoscale slot waveguides ...
Optics & Photonics
Sep 22, 2012
2
0
White powders found at known or potential crime scenes present investigators and first responders with a dilemma. Touching the powders could be dangerous or compromise the evidence, and sending samples to a lab to be identified ...
Optics & Photonics
Oct 8, 2018
0
311
Researchers have developed a compact imaging system that can measure the shape and light-reflection properties of objects with high speed and accuracy. This 5D hyperspectral imaging system—so-called because it captures ...
Optics & Photonics
Aug 28, 2018
0
327
Hoping to expand our understanding of auroras and other fleeting atmospheric events, a team of space-weather researchers designed and built NORUSCA II, a new camera with unprecedented capabilities that can simultaneously ...
Optics & Photonics
Nov 29, 2012
1
0
Optical coherence tomography (OCT) is a light-based imaging technique currently used in clinical diagnostics to examine organs in vivo. The technique uses interferometry; in which light reflected from an examined object combines ...
By converting sunlight into usable energy, solar thermal devices could become an important part of a sustainable future. To that end, researchers have developed a new solar-light-absorbing surface that can have almost any ...
Optics & Photonics
Dec 3, 2015
0
51
Researchers have developed a new method that can automatically produce clear images through murky water. The new technology could be useful for searching for drowning victims, documenting submerged archaeological artifacts ...
Optics & Photonics
Sep 16, 2021
1
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