Ordinary solid-state lasers, as used in laser pointers, generate light in the visible range. For many applications, however, such as the detection of molecules, radiation in the mid-infrared range is needed. Such infrared ...
Optics & Photonics
Nov 23, 2020
0
942
Extreme events occur in many observable contexts. Nature is a prolific source: rogue water waves surging high above the swell, monsoon rains, wildfire, etc. From climate science to optics, physicists have classified the characteristics ...
Optics & Photonics
Oct 23, 2020
0
39
Researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland have developed a microchip technology that can convert invisible near-infrared laser light into any one of a panoply ...
Optics & Photonics
Oct 14, 2020
0
56
Mid-infrared lasers have been widely used in imaging, detection, diagnostics, environmental monitoring, medicine, industry, defense and others. For mid-infrared laser systems, low phonon energy gain materials are key factors.
Materials Science
Sep 9, 2020
0
17
To the general public, lasers heat objects. And generally, that would be correct.
Condensed Matter
Jun 23, 2020
0
876
The invention of the chirped pulse amplification technique by Strickland and Mourou in 1985 has boosted the peak power of ultrashort laser pulses to an unprecedented level, which have found broad applications in fundamental ...
Optics & Photonics
May 26, 2020
0
4
For the first time, researchers have fabricated high-performance mid-infrared laser diodes directly on microelectronics-compatible silicon substrates. The new lasers could enable the widespread development of low-cost sensors ...
Optics & Photonics
Mar 26, 2020
0
207
Heterogeneity broadly exists in various cell types both during development and at homeostasis. Investigating heterogeneity is crucial for understanding the complexity of ontogeny, dynamics, and function of specific cell types.
Cell & Microbiology
Mar 12, 2020
0
13
Of the many divergent approaches to building a practical quantum computer, one of the most promising paths leads toward ion traps. In these traps, single ions are held still and serve as the basic units of data, or qubits, ...
Quantum Physics
Jan 29, 2020
1
1057
Researchers have designed a new chip-integrated light source that can transform infrared wavelengths into visible wavelengths, which have been difficult to produce with technology based on silicon chips. This flexible approach ...
Optics & Photonics
Dec 19, 2019
2
27
