Researchers at NIST and Shandong University have found a way to grow large crystals that could revolutionize laser technology. The microcrystals outperform conventional crystals in some ways, but their performance challenges scientific theory.
Researchers at RMIT University found that green laser pointers were most dangerous, with one model 127 times over the Australian safety limit. The team calls for stricter testing and quality control measures to protect public health.
Researchers have developed a new approach to destroying hazardous space debris using laser impulses. By pushing the debris into the Earth's atmosphere, the debris can be destroyed, posing less of a threat to active communication and navigation satellites used by billions of people on Earth.
Researchers at KAIST have developed ultrathin, transparent oxide thin-film transistors that overcome previous challenges in flexible display technology. The new technology uses an inorganic-based laser lift-off method to create high-performance devices with excellent optical transparency and mobility.
Researchers have developed a magneto-optic Q-switched laser using a 190-micron-thick magnetic garnet film with labyrinth-shaped magnetic domains. The device achieved optical output with a pulse width of tens of nanoseconds, increasing pulse power by 1,000 times.
A low-intensity type of laser treatment has been shown to increase platelet production in animals with thrombocytopenia, a potentially life-threatening shortage of blood cells. The therapy also restored platelet levels in mice with autoimmune disorders and chemotherapy-induced thrombocytopenia.
Researchers have developed a new type of terahertz quantum cascade laser that can produce a record output power of up to 230 milliwatts in continuous wave mode. This breakthrough has significant implications for various applications, including spectroscopy, medical imaging, and remote sensing.
The researchers will examine rapid solidification processes in aluminum alloys associated with laser or electron beam processing technologies. They hope to discover the mechanisms of how alloy microstructures evolve during solidification after laser melting, validating computer models and optimizing manufacturing processes.
Researchers at Moscow Institute of Physics and Technology developed a novel ceramic-based laser, twice as effective as other solid-state lasers. The laser is used in surgical operations and has a wavelength that does not damage underlying tissue, making it ideal for medical purposes.
Researchers from Facebook's Connectivity Lab have demonstrated a new approach for detecting optical communication signals, overcoming the primary challenge of precisely pointing a small laser beam at a tiny light detector. The new technology uses fluorescent materials to collect and concentrate light onto a photodetector, achieving dat...
Plasmonic lasers use metal films to confine light energy and have potential applications in integrated optics and ultrafast digital processing. The researchers developed a scheme that emits radiation at extremely long wavelengths with a narrow beam divergence angle of just 4 degrees, the narrowest achieved for such terahertz lasers.
Researchers have developed a new method to detect atmospheric chemicals using mid-infrared lasers, generating glowing plasma filaments that reveal chemical fingerprints.
A new laser-based uranium enrichment technology may provide a hard-to-detect pathway to nuclear weapons production. The separation of isotopes by laser excitation (SILEX) process could enable covert laser enrichment plants, posing proliferation concerns comparable to gas centrifuge development.
Researchers at UCLA have found laser heat ablation to be a safe and effective treatment option for men with intermediate risk prostate cancer, with no serious adverse effects reported. The technique uses MRI guidance to target and destroy cancerous tissue, offering a middle ground between radical surgery and active surveillance.
Researchers have developed a method to observe the structure of molecules and track changes within attosecond timescales. By using tunneling ionization and ultrashort laser pulses, scientists can measure electron interference patterns, providing insight into molecular configurations.
A new, broad-band tunable infrared laser from Northwestern University offers high-power rapid tuning and has implications for detecting drugs and explosives. The robust, all solid-state laser can be rapidly tuned to capture unique spectral fingerprints of gases.
A recent Iowa State University study found that employers prioritize oral communication skills in new college graduates, ranking them above other forms of communication. The study suggests that colleges should adopt a multimodal teaching approach to prepare students for various job requirements.
A team of physicists at LMU Munich has used laser pulses to selectively remove and reattach hydrogen atoms from a hydrocarbon molecule, opening up new possibilities for chemical synthesis. This technique could lead to the creation of new substances by controlling individual steps in chemical reactions.
Two new RGB laser light source modules developed by Osaka University and Shimadzu Corporation show superior performance in miniaturization, energy-saving, and color gamut compared to LEDs. The modules have potential applications in small electronic devices, large video systems, and projection mapping.
A team of researchers from China, South Korea, and the US proposes a novel way to minimize the energy spread of electrons in laser wakefield accelerators. By inserting a plasma compressor, they can reduce the energy spread to the one-thousandth level, making new applications for laser wakefield accelerators possible.
Researchers from Kazan Federal University and Ogarev Mordovia State University conducted an in vitro study on endovenous laser ablation of varicose veins using solid-state laser radiation. The results confirmed that a heated carbonized layer on the fiber end face increases efficiency, paving the way for process optimization.
A team of researchers has successfully built the first quantum cascade laser on silicon, paving the way for applications in chemical bond spectroscopy, gas sensing, astronomy, and free-space communications. The breakthrough integrates lasers directly on silicon chips, overcoming challenges posed by silicon's indirect bandgap.
Researchers created an efficient diode-pumped eye-safe laser using GdAl3 single crystals co-doped with Er and Yb. The laser emits safe wavelengths for human eyes and has advantages in telecoms due to low atmospheric losses.
A revolutionary new laser developed by the University of Adelaide can operate over a large range in the infrared light spectrum, allowing for sensitive detection of greenhouse gases. The laser's tunability and affordability make it a promising tool for scanning gases with high sensitivity.
Research from North Carolina State University highlights the importance of multimodal communication in academic writing instruction. The study found that more than half of faculty members assigned multimodal communication work to their students and engaged in it themselves, with presentations and formal writing being common forms.
The study proposes a technique to increase the number of electrons trapped in the wake of the laser pulse, improving beam quality. This could lead to better technology for future accelerators and bring high energy physics experiments to more labs and universities.
Engineers at the University of Missouri have developed a method to transfer energy sources to virtually any shape using an efficient laser-writing technique. This technique enables the fabrication of microbatteries and micro fuel cells that are more environmentally friendly, highly designable, and thin.
A new type of laser enables the creation of twisted light with controlled spin, producing vector vortex beams and polarised light. This innovation has significant applications in optics, machining metals, and communication.
A new study by University of Illinois engineers found that the transistor laser device can switch faster than traditional technologies due to photon-assisted tunneling, enabling ultra-high-speed signal modulation. The technology has the potential to revolutionize big data transfer and computing.
Researchers have demonstrated a unique optical trapping system that can efficiently couple high-power laser light into hollow-core fibers. The system uses a self-aligning method to trap tiny tapered glass fiber inside the hollow core, with potential applications in laser cutting and basic physics research.
Researchers from Cardiff University have demonstrated the first practical laser grown directly on a silicon substrate, paving the way for ultra-fast communication between computer chips. The breakthrough has the potential to transform various sectors, including communications, healthcare and energy generation.
Researchers at the University of Bath created a new type of laser that can emit mid-infrared light between 3.1 and 3.2 microns, a range previously difficult to achieve. The breakthrough uses silica hollow-core fibers to confine light and enable gas-mid-IR interaction.
Researchers at the University of Bath created a new laser capable of pulsed and continuous mid-infrared emission between 3.1-3.2 microns, overcoming a major challenge in laser development. The achievement uses silica hollow-core fibers to confine light and gas, enabling efficient interaction and mid-IR emission.
Using laser probe, neurosurgeons deliver chemotherapy drugs to patients with glioblastoma after opening the blood-brain barrier. The technology allows for longer treatment windows and potentially limits harmful effects of chemotherapy.
Rice researchers develop an open-source laser sintering platform that can print intricate 3D objects from powdered plastics and biomaterials. The system costs significantly less than commercial counterparts and allows researchers to work with their own specialized materials.
Assistant Professor Yuze Sun is developing an all-liquid optofluidic laser for cancer detection and other biosensing applications. The laser's adaptive nature achieves high-precision tuning, making it biocompatible and bioconfigurable.
The team demonstrated that a laser pulse can accelerate an electron beam and couple it to a second laser plasma accelerator, achieving higher energy. The solution used two different kinds of LPA, including a discharge capillary and a jet of supersonic gas, and developed a disposable mirror system for staging.
The DComm programme explores deictic communication, a fundamental aspect of human interaction, and its application in technology, education, and clinical settings. Researchers will investigate how deictic communication affects individuals with Autism Spectrum Disorder and stroke patients.
Researchers at Stanford University have created a novel quantum light source that can enable perfectly secure communication. By harnessing the quantum properties of light, they've overcome technical challenges in devices that send and receive quantum data.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf are exploring the use of high-powered lasers to accelerate ions for cancer treatment. By accelerating ions to therapeutic energies in a short time, they can deposit most of their energy inside tumors while leaving healthy tissue unharmed.
Researchers at Berkeley Lab will develop compact free electron lasers for affordable x-ray sources, overcoming current limitations of miles-long facilities costing hundreds of millions of dollars. The project aims to produce portable and high-contrast x-ray imaging with a smaller footprint and lower cost.
Researchers at University of Strathclyde discovered that ultra-intense laser light passing through a thin foil can be used to control charged particle motion. This new observation has wide-reaching implications for advancing smaller, cheaper, laser-driven particle accelerators.
Researchers at the University of Nebraska-Lincoln have developed a laser-based X-ray machine that can detect nuclear materials hidden behind thick shielding or smuggled in cargo containers. The technology offers several advantages, including low radiation levels and portability, making it a potential tool for nuclear site inspections.
A nanotechnology breakthrough from DTU allows printing of high-resolution data and colour images at 127,000 DPI, comparable to weekly magazines.
Engineers tested ATLAS's precision by simulating launch vibrations and temperature changes to ensure accurate beam alignment. The automatic steering mechanism adjusts the laser beams to hit specific spots on Earth, generating a precise electrical signal.
Researchers used 3D laser scanning to measure surface deformation after the 2014 South Napa earthquake, revealing complex deformation patterns that challenge traditional notions of topography formation. The study also found evidence of 'afterslip' effects that can occur hours to years after an earthquake.
Researchers have found ranibizumab to be an effective alternative to laser therapy for treating proliferative diabetic retinopathy, a disease that causes extensive harm to the blood vessels in the retina. The drug carries fewer side effects and improves vision by about half a line on an eye chart compared to the laser group.
The University of Washington team has made history by cooling water by about 36 degrees Fahrenheit using an infrared laser. This breakthrough technology has the potential to revolutionize various industries, including manufacturing, telecommunications, and defense.
Researchers from Imperial College London have discovered a method to heat ions directly using high-intensity lasers, potentially leading to faster and more efficient fusion reactions. The technique, which uses electrostatic shockwaves to accelerate ions, could be used at many laser facilities worldwide.
A clinical trial funded by the National Institutes of Health found that Lucentis is highly effective in treating proliferative diabetic retinopathy, improving vision by about half a line on an eye chart compared to laser therapy. The study also showed lower rates of complications such as vitrectomy and serious systemic adverse events.
Physicists at the University of Maryland have accelerated electron beams to nearly the speed of light using millijoules of laser pulse energy, a significant improvement over previous methods. This breakthrough could lead to ultra-compact machines useful for materials science and medical imaging, overcoming barriers in cost, complexity,...
Research suggests that parent-adolescent communication is positively linked to safer sex behavior. The study found a small but significant association between parent communication and contraceptive use, which was stronger for girls than boys. Open communication about sex can help delay sexual debut and reduce the risk of sexually trans...
Researchers have developed a method for creating high-quality whispering-gallery-mode microcavities using femtosecond laser 3D printing. The technique enables the fabrication of these microcavities with extremely high Q factors, which enhance interaction between light and matter, leading to promising applications in various devices.
Researchers successfully mimic quantum entanglement using a laser pointer, doubling data speed in laser communication. The team demonstrated nonseparability of the laser beam's shape and polarization, enabling encoding of two bits of information.
A NASA-developed laser communication system has demonstrated record-breaking data download and upload speeds to the moon, as well as highly precise distance and speed measurements. The Space Optical Communication and Navigation System can provide micrometer-level accuracy over a 622 megabits-per-second laser communication link.
Researchers at Harvard University have developed a new class of Raman laser using nanoscale diamond resonator, enabling wider wavelength range and potential for improved telecommunications. The device works by converting one frequency of laser light to another, opening up possibilities for broadband data communications.
Researchers from The Hebrew University of Jerusalem have demonstrated new techniques that bring lasers as lighting rods closer to reality. They created a channel of plasma by firing a powerful laser, extending the lifetime of the plasma channel by more than a factor of 10.
Tufts University researchers developed a new method to create high-resolution, 3D structures in silk protein hydrogels using low-energy ultrafast laser technology. The technique allows for scalable patterning of pores and channels with diameters between 10 and 400 microns.
Researchers at the University of Strathclyde are developing groundbreaking plasma-based light amplifiers to replace traditional high power laser amplifiers. The new technology has the potential to produce real particles from virtual particles, cracking the vacuum and achieving a significant scientific breakthrough.
A team at the University of Warsaw has developed a femtosecond laser that generates ultrashort pulses even under extreme conditions. The device uses an optical fiber to generate pulses with minimal sensitivity to external factors, making it highly dependable and suitable for industrial applications.