A new technique that combines electron microscopy and laser technology enables programmable, arbitrary shaping of electron beams. It can potentially be used for optimizing electron optics and for adaptive electron microscopy, ...
Optics & Photonics
Sep 29, 2022
0
165
In California, thousands of miles of fiber optic cables crisscross the state, providing people with internet. But these underground cables can also have a surprising secondary function: they can sense and measure earthquakes. ...
Earth Sciences
Aug 2, 2023
0
25
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. In a paper in the Journal of Applied Physics a special type of infrared laser, known as a swept-wavelength external ...
Optics & Photonics
Sep 3, 2019
0
215
(PhysOrg.com) -- Many advanced laser technologies, such as laser spectroscopy, that use precise wavelengths of infrared, visible or ultraviolet laser light could benefit from using X-ray light as well. But to reach its full ...
General Physics
Feb 1, 2012
0
0
Dinesh Basker applied to graduate schools around the world. He was accepted to three, but you might say he "saw the light" in choosing McMaster.
Optics & Photonics
Jul 23, 2013
0
0
NIST researchers have explored in unprecedented detail a new breed of catalysts that allow some chemical reactions, which normally require high heat, to proceed at room temperature. The energy-saving catalysts use sunlight ...
Materials Science
Apr 16, 2019
1
189
Engineers and business leaders have been working on autonomous cars for years, but there's one big obstacle to making them cheap enough to become commonplace: They've needed a way to cut the cost of lidar, the technology ...
Optics & Photonics
Apr 16, 2020
8
98
Researchers have demonstrated the first laser cavity that can confine and propagate light in any shape imaginable, even pathways with sharp bends and angles. The new cavity, called a topological cavity, could enable laser ...
Optics & Photonics
Oct 12, 2017
0
156
Researchers at the National Institute of Standards and Technology (NIST) have developed chip-scale devices for simultaneously manipulating the color, focus, direction of travel, and polarization of multiple beams of laser ...
Optics & Photonics
Apr 11, 2023
0
131
By using an ordinary green laser pointer, the kind commonly found in offices and college lecture halls, an Israeli research team has developed a new and highly portable Raman spectrometer that can detect extremely minute ...
Optics & Photonics
Oct 10, 2012
1
0
