It's not at every university that laser pulses powerful enough to burn paper and skin are sent blazing down a hallway. But that's what happened in UMD's Energy Research Facility, an unremarkable looking building on the northeast ...
Optics & Photonics
Jan 19, 2023
3
637
The X-rays used to examine a broken leg in hospital are easy to produce. In industry, however, X-ray radiation of a completely different kind is needed—namely, X-ray laser pulses that are as short and high-energy as possible. ...
Optics & Photonics
Jan 18, 2023
0
36
As space missions delve deeper into the outer solar system, the need for more compact, resource-conserving and accurate analytical tools has become increasingly critical—especially as the hunt for extraterrestrial life ...
Astrobiology
Jan 16, 2023
0
317
Researchers have developed a way to use laser light to pull a macroscopic object. Although microscopic optical tractor beams have been demonstrated before, this is one of the first times that laser pulling has been used on ...
Optics & Photonics
Jan 11, 2023
0
722
Rydberg atoms and molecules are characterized by having one or more electrons in highly excited bound states. Such atoms and molecules are said to be in "Rydberg states" and are also called "hollow" atoms and molecules. Rydberg ...
Optics & Photonics
Jan 11, 2023
0
181
"Suppose you knew everything there was to know about a water molecule—the chemical formula, the bond angle, etc.," says Joseph Thywissen, a professor in the Department of Physics and a member of the Centre for Quantum Information ...
Quantum Physics
Jan 11, 2023
0
274
Lasers find applications across several fields ranging from telecommunications and remote sensing to medicine. There are many ways in which one can generate laser emission, or lasing, from a device or material. Consequently, ...
Optics & Photonics
Jan 3, 2023
0
170
Peripheral photoinhibition (PPI) direct laser writing (DLW) is a lithography technique used to fabricate intricate 3D nanostructures that are widely employed in photonics and electronics. PPI-DLW uses two beams, one to excite ...
Optics & Photonics
Dec 19, 2022
0
337
3D holograms from your phone, television, or favorite droid have been promised for decades but, despite being of great interest, have yet to materialize. The applications for them are far-reaching, particularly in the medtech ...
Optics & Photonics
Dec 19, 2022
0
11
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
0
9
