Two-photon absorption and stimulated emission in poly-crystalline zinc selenide with femtosecond laser excitation
In a new publication from Opto-Electronic Advances, authors from the Laser Engineering Group in the School of Engineering at the University of Liverpool, Liverpool, United Kingdom, discuss two-photon absorption and stimulated emission in poly-crystal.....»»
Canon imageCLASS LBP674Cdw review: quick and compact color
I reviewed Canon's Color imageCLASS LBP674Cdw, a fast color laser printer with sleek styling and a large color touchscreen......»»
Restricting cars in cities: A cost-benefit analysis of Low Emission Zones
Faced with unmanageable traffic and health-threatening air quality, hundreds of cities across Europe are adopting measures to reduce the number of vehicles clogging their streets, with the aim of lowering air pollution levels and improving the qualit.....»»
Laser spectroscopy study explores nuclear structure of fermium and nobelium isotopes
University of Liverpool researchers are part of an international research collaboration that has shed light on what happens at the extremes of neutron and proton numbers, in search of where the periodic table of chemical elements ends......»»
Spraying rice with zinc oxide nanoparticles protects yields during heat waves, study finds
A small team of horticulturists in China and the U.S. has found that spraying rice plants with a zinc oxide nanoparticle solution helps them better handle the stress of a heat wave. In their study, published in Proceedings of the National Academy of.....»»
A single atom can change the directional profile of the light emitted in scanning tunneling microscopes
Researchers from Madrid explain a phenomenon that allows the direction of light emission to be controlled at the atomic scale. The paper provides a detailed explanation of how the profile of the light collected in a scanning tunneling microscope (STM.....»»
Scientists decipher two-photon vision
Two-photon vision is a novel method with great potential for the future of ophthalmic diagnostics. Although it has many advantages, it requires improvement in key areas. International Centre for Eye Research (ICTER) scientists have taken a step forwa.....»»
Advances in nanostructure fabrication: Laser direct writing on Au nanofilm
A research team led by Xuesong Mei and Jianlei Cui from Xi'an Jiaotong University has made significant progress in the field of nanotechnology. They have successfully achieved the direct writing of nanostructures on Au nano-film using a nanosecond-la.....»»
Scientists detect traces of an ancient Mayan city in southern Mexico using laser-sensor technology
Archaeologists using laser-sensing technology have detected what may be an ancient Mayan city cloaked by jungle in southern Mexico, authorities said Wednesday......»»
The best color laser printers for 2024: tested and reviewed
Color laser printers are a smart choice for home offices and small businesses, but which should you buy? Here are our top picks for every budget......»»
A new paradigm for control of quantum emitters—modulating and encoding quantum photonic info on a single light stream
A U.S. Naval Research Laboratory (NRL) multi-disciplinary team developed a new paradigm for the control of quantum emitters, providing a new method for modulating and encoding quantum photonic information on a single photon light stream......»»
Inkjet vs Laser vs LED: What’s best for you?
Choosing the right printer can make a big difference to your productivity. This comprehensive guide compares inkjet, laser, and LED printing technologies, helping you make an informed decision for your specific needs......»»
New broadband UV frequency combs offer unprecedented spectral resolution
Researchers have developed a new ultrafast laser platform that generates ultra-broadband ultraviolet (UV) frequency combs with an unprecedented one million comb lines, providing exceptional spectral resolution. The new approach, which also produces e.....»»
Laser measurements help track space debris and observe water masses
What do the Earth's gravitational field and the trajectories of satellites and space debris have in common? The Earth's gravitational field influences the orbits of our companions in space, while the changes in the orbits in turn allow conclusions to.....»»
Accelerating 3D nanofabrication using a sensitive cationic photoresist
Two-photon laser direct writing lithography or TPL is a cutting-edge technique used for creating nanoscale structures. It works by leveraging specific materials known as photoresists, which change their chemical properties when exposed to light. Thes.....»»
A Lost Mayan City Has Been Found With Laser Mapping
Archaeologists have revealed an ancient lost Mayan city using advanced laser mapping technology, unearthing monumental structures such as pyramids and plazas. Named Valeriana, the city is believed to have been founded before 150 AD......»»
Novel light source enables better temporal resolution of UV-induced molecular dynamics
The Attosecond Science group at the Center for Free-Electron Laser Science has developed a novel light source capable of producing extremely short pulses for the investigation of UV-induced molecular dynamics with unprecedented temporal resolution. S.....»»
Search results for dark photon leptonic decays manage to exclude new regions
Dark photons are hypothetical particles that resemble light particles (i.e., photons), but interact weakly with normal matter, which would make them impossible or very difficult to detect using conventional experimental methods. These particles are d.....»»
Scientists successfully increase measurement rate of Raman spectroscopy by 100-fold
Researchers Takuma Nakamura, Kazuki Hashimoto, and Takuro Ideguchi of the Institute for Photon Science and Technology at the University of Tokyo have increased by 100-fold the measurement rate of Raman spectroscopy, a common technique for measuring t.....»»
Hisense’s new PL2 Laser Cinema is big on brightness and style
Hisense has announced that its new PL2 UST projector is now available in the U.S. It features a stylish design and 2,700 lumens of brightness for $2,498......»»
Teslas don"t work as green squad cars, California police say
As an increasing number of cities in California require departments to buy zero-emission vehicles, police say the Teslas they're being put in make their jobs harder......»»