A team of scientists has demonstrated the feasibility of Raman amplification, compressing long laser pulses to 1000 times shorter with intensities 300 times greater. This method could replace current expensive systems with smaller and more cost-effective ones, making technologies like x-ray development more accessible.
Scientists have developed a microchip technology that rapidly tests potential drugs on tiny worms, identifying promising chemicals for regenerating nerve cells. The technique has already found one class of neuronal regenerators and holds promise for treating Alzheimer's, Parkinson's, and ALS.
Researchers have developed a method for creating novel metal films using ultrashort laser ablation, which allows for precise control over nanoparticle structures. This technique has potential applications in fields such as surface-enhanced Raman spectroscopy and the growth of carbon nanotubes.
Researchers will analyze and control coupled semiconductor laser systems using a rigorous mathematical approach to study collective behaviors in a highly-controlled environment. The team aims to contribute to understanding of collective behavior benefiting scientists across disciplines.
Researchers at NIST create a laser power detector coated with the world's darkest material, a forest of carbon nanotubes that reflects almost no light. The new detector will be used for precision measurements in advanced technologies like optical communications and solar energy conversion.
Researchers at Georgia Tech Research Institute developed a system to measure high-energy laser beam power and spatial energy distribution. The reusable target board and beam diagnostic system enables simultaneous measurement of power and energy distribution, optimizing lasers for national security.
A team of astronomers from the University of Arizona developed a technique called laser adaptive optics, allowing for sharper images and faster data collection. This technology will enable scientists to study ancient galaxies and star clusters more efficiently.
JILA's technique uses infrared laser light to quickly and precisely heat 'nano bathtubs'—tiny sample containers—for microscopy studies of single molecules and nanoparticles. The new method enables fast, noncontact heating of very small samples, enabling new experiments with single molecules.
Researchers at NIST and JILA developed a new type of pulsed laser that excels at not producing light, generating sustained streams of dark pulses. These ultrashort pulses are suitable for measurements on short timescales and may be useful in signal processing.
Brendan Reagan, a Colorado State University graduate student, has won the prestigious Theodore Maiman Student Paper Competition with his work on a compact X-ray laser. The technology developed by his team can be used to create extremely small patterns and manipulate materials in ways that visible light cannot.
A new laser-balloon catheter successfully interrupted irregular electrical pulses in patients and pigs, offering a potential new treatment for abnormal heartbeats. The treatment achieved 100% accuracy in clinical trials and had long-lasting effects, making it a promising alternative to traditional ablation procedures.
Researchers can now analyze smaller concentrations of gases with improved precision using PNNL's low-noise current controller technology. This device reduces noise in laser power sources, allowing scientists to detect smaller levels of trace gases and enabling more accurate atmospheric gas concentration measurements.
Researchers have rewritten Kirchhoff's current law to accommodate the unique properties of the transistor laser, enabling better understanding of photons, electrons, and semiconductors. The modified law fits data from the device, predicting properties for integrated circuits and supercomputing applications.
A new Cochrane Systematic Review suggests phakic intraocular lenses (IOLs) may be a safer alternative to excimer laser surgery for moderate to high levels of short-sightedness. Patients who underwent IOL treatment reported better spectacle-corrected vision and contrast sensitivity, as well as higher patient satisfaction.
Researchers will present advances in laser cooling, 3D laser inscribing, and ultra-short light pulses at the CLEO/QELS conference. The Linac Coherent Light Source, producing short X-ray pulses millions of times brighter than others, has enabled scientists to probe matter at atomic scale.
The US Department of Energy has granted approval for the second X-ray laser facility at SLAC National Accelerator Laboratory, building on the success of the first hard X-ray laser. The new facility will provide improved control over the X-ray beam and enable multiple research groups to work simultaneously.
A nationwide study found that treating diabetic macular edema with ranibizumab eye injections, plus laser treatment if needed, results in better vision than laser treatment alone. At the one-year follow-up, nearly 50% of patients had substantial improvement in vision.
A comparative-effectiveness study confirms that ranibizumab eye injections in combination with laser therapy result in dramatic visual improvement for patients with diabetic macular edema. The treatment demonstrates substantial visual benefits, including a 50% improvement rate and prevention of blood vessel leakage.
The University of Houston welcomes the NSF-supported National Center for Airborne Laser Mapping, bringing cutting-edge laser mapping technology to its campus. The center aims to advance research in geosensing systems engineering, improving disaster recovery, oil and gas exploration, and environmental studies.
Severe adverse effects, such as burns and scarring, have been reported from untrained laser hair removal operators. The Canadian Medical Association Journal recommends setting minimum training standards for operators to ensure safe and effective procedures.
Researchers found that online communication reinforces local relationships, builds networks of interacting individuals, and forms ties that bind for offline communities. The intersection between online and offline worlds creates a vibrant platform for community communication and information exchange.
Researchers at the University of Innsbruck successfully created a single-atom laser, demonstrating both classical and quantum mechanical properties. The experiment showed that by tuning the coupling between the atom and cavity mode, stimulated emission could be achieved despite the atom's weak amplification ability.
Researchers at the University of Florida have successfully ignited nanoparticles using a weak laser, with potential applications in cancer treatment, explosives, and precise lithography. The discovery could lead to more efficient and environmentally friendly technologies in various industries.
The laser has become a crucial tool in modern chemistry, used to study climate change, ultrafast chemical reactions, and disease-related proteins. Scientists are developing new laser-based systems for detecting nerve agents and diagnosing hard-to-treat diseases.
Scientists use laser ablation to remove unwanted material from artworks, preserving masterpieces like Porta del Paradiso and Donatello's David. The technique also shows promising results in cleaning underwater artworks that could deteriorate in air.
At the 2010 AAAS Annual Meeting, the Optical Society and American Physical Society sponsored a seminar on the birth, growth, and future of laser technology. The symposium showcased the impact of lasers on various fields, including medicine, energy, and national security.
University of Colorado at Boulder physicists Margaret Murnane and Henry Kapteyn have made breakthroughs in building a tabletop X-ray laser that can provide super-high resolution imaging. This technology has the potential to improve medical diagnoses, such as detecting small cancers, by thousands of times.
Researchers at MIT have successfully built a germanium laser that can emit wavelengths useful for optical communications. This breakthrough paves the way for the development of light-based computers that could process data more efficiently than current electrical systems.
Researchers at the University of Utah have found that natural cavities in polymers can act like mirrors in light-emitting materials, generating 'random' lasers. This discovery could lead to new applications in cancer diagnosis and other fields.
Researchers at Northwestern University have developed compact mid-infrared laser diodes that generate more light than heat, achieving efficiencies of 53 percent. This breakthrough paves the way for applications such as remote sensing and hazardous chemical detection.
Researchers identify ineffective communication strategies that can worsen problem behaviors in family members with dementia. Effective communication, on the other hand, can resolve misunderstandings and reduce distress. The study aims to develop empirically derived communication interventions for caregivers targeting both problems.
Researchers have successfully demonstrated the world's smallest semiconductor laser, paving the way for ultra-sensitive bio-detection, nanoscale optics, and enhanced communication systems. The breakthrough technology has potential applications in various fields, including healthcare, optics-based telecommunications, and optical computing.
Mid-infrared laser breakthroughs to 120 watts, boosting infrared countermeasures for aircraft protection. Researchers developed QCL devices resistant to filamentation, increasing peak output power and ridge width.
Researchers discovered that high-dose laser therapy stimulates melanoma tumor growth and histological alterations in mouse models. This finding underscores the need for caution when using laser therapy for skin cancer treatment.
A recent study found that laser etching does not facilitate decay in laser-labeled grapefruit and can even reduce water loss. The technology provides a safe alternative to adhesive sticker labeling, maintaining high fruit quality during storage.
A new generation of high-energy lasers has been developed to study fast ignition and high energy density physics. Using the OMEGA EP laser, researchers have demonstrated strong laser-matter coupling with intense 2.1kJ, 15ps laser pulses, enabling significant laser powers to be produced.
Researchers shed light on electron beam formation by attributing it to the evolution of the plasma bubble shape and nonlinear laser pulse evolution. The discovery is attributed to fine details in 3D simulations, offering a robust mechanism for self-injection and monoenergetic bunch formation.
Researchers at Los Alamos National Laboratory have achieved world-record energies in laser-accelerated particles, accelerating protons to 254 million miles per hour. The technique has potential applications in cancer treatment and is expected to contribute to future advances in modern cancer radiotherapy.
Researchers from BUSM found that the 940nm wavelength laser is more effective in treating facial telangiectasias due to its superior penetration of the dermis and slower heating of vessels. This results in less pain and side effects compared to the 532nm wavelength.
Engineers at NASA's Goddard Space Flight Center use a laser ranging system to track the Lunar Reconnaissance Orbiter (LRO) spacecraft as it orbits the moon. The system provides distance measurements accurate to four inches, improving map accuracy and navigation.
Researchers in Australia have developed the first efficient diamond Raman laser, achieving an efficiency of 63.5%, comparable to existing lasers built with other materials. This technology has potential applications in defense technologies, trace gas detectors, medical devices, and satellite mapping.
A study found laser therapy equivalent to corticosteroid medications in treating vision loss from BRVO, with lower complication rates. Laser treatment showed no significant difference in visual improvement compared to corticosteroid injections.
Researchers at UCSB have developed a novel drug delivery system that uses nanoparticles and laser exposure to deliver siRNA into cancer cells, providing temporal and spatial control over gene expression. The technique has potential applications in delivering multiple drugs against diverse biological targets.
Researchers at UC Berkeley have created the world's smallest semiconductor laser, generating visible light in a space smaller than a single protein molecule. The breakthrough enables innovations like nanolasers for DNA manipulation, faster telecommunications, and optical computing.
Researchers at the University of California, Riverside are developing a five-year project to harness the communication capabilities of LED lights. The project aims to create low-cost wireless communication systems using LED lights, which could revolutionize navigation and directions in areas where radio frequencies are limited.
Researchers at the University of Gothenburg have created a laser technique that can help identify a rare isotope called 182Hf, which would prove that a supernova once exploded near our solar system. The technique uses negative ions and laser light to detach an extra electron from some elements while leaving others intact.
Researchers have discovered a way to effectively kill kidney tumors in nearly 80 percent of mice by injecting man-made nanotubes into the tumors and heating them with a laser. The study found that the higher the quantity of nanotubes injected, the longer the mice lived and the less tumor regrowth was seen.
Researchers have discovered a way to transform shiny metal into black by using intense laser light, creating a new class of material for various applications. This process enhances aircraft performance by cooling electronic systems and allowing planes to dominate in flight.
Researchers create Saser, a sonic equivalent to lasers producing ultra-high frequency sound waves on a nano scale. The new device has potential applications in computing, imaging, and anti-terrorist security screening.
Biophysicists at JILA have created nonstick gold surfaces and laser-safe gold nanoposts, enabling the precise trapping of biomolecules. This breakthrough could lead to a 10-fold increase in single molecules studied in certain assays, resulting in new insights into molecular diversity.
Researchers at Fraunhofer Institute for Laser Technology are developing laser technologies to improve the manufacturing of solar cells, increasing their performance and reducing costs. The goal is to achieve grid parity within a few years, making solar energy competitive without subsidies.
A new nanotube-coated power measurement device has been developed at NIST, enabling faster and more accurate calibration of high-power laser systems. The device uses a sprayed-on coating of carbon nanotubes to conduct heat hundreds of times better than conventional materials.
The Linac Coherent Light Source (LCLS) produces the world's brightest X-ray laser, allowing researchers to capture molecular details with unprecedented resolution. This technology has far-reaching implications for medicine, energy research, and other fields.
Researchers at Harvard University have developed a laser technology that allows control over the polarization direction of emitted radiation. This innovation has vast implications for various applications, including satellite communications, biomolecule detection, and quantum cryptography.
Researchers have proposed a novel optical clock concept that enables more stable clocks, sub-natural linewidth laser spectroscopy, and long coherence time lasers. The lasing behavior of the active optical clock is described by the modified Schawlow-Townes linewidth formula, which narrows the linewidth due to collective emission from ga...
A Montana State University master's graduate is working with doctors at Vanderbilt Medical Center to build a handheld laser microscope that can detect skin cancer more accurately. The device uses laser light to form an image of the skin's cellular structure and compare it to a database of known cancers.
Researchers developed a new method to measure heat transport in rocks, revealing that rock conductivity varies strongly with temperature. The technique, laser-flash analysis, provides more accurate data on heat transport than conventional methods.
Researchers at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. The device accepts two electrical inputs and produces an optical signal that can be measured at frequencies of up to 22.7 gigahertz.
Researchers at Stevens Institute of Technology have made significant breakthroughs in free-space optical communication by demonstrating a unique atmospheric effect called scavenging, which improves the system's performance in adverse weather conditions. The study shows that mid-infrared QCL systems can deliver up to 300% greater throug...
A clinical trial of laser therapy for stroke patients found that those with moderate to moderately severe strokes experienced significant improvement, with a 9.7% absolute gain in treated patients. However, the treatment did not significantly reduce overall stroke disability, missing its primary endpoint.