A long-term study on transmyocardial revascularization (TMR) using a carbon dioxide Heart Laser demonstrates significant pain relief for five years. TMR has been shown to improve the quality of life for severe angina patients with no other treatment options.
Researchers have found that transmyocardial revascularization (TMR) laser surgery can provide long-term relief from angina by creating channels for blood flow through the heart. The procedure has been shown to reduce chest pain in 60% of patients for at least five years, with some experiencing relief for up to eight years after treatment.
Researchers at University of Rochester's Laboratory for Laser Energetics successfully completed the first full-scale test of polarization smoothing on the world's most powerful laser, Omega. The technique generated 70% more fusion neutrons than without and moves closer to self-sustaining fusion.
Researchers at Clemson University have developed a new laser imaging system that provides more detailed views of breast tissue than traditional mammograms. The system uses 16 laser points to detect growths not visible on regular mammograms and predict tumor malignancy with high accuracy.
A fiber-optic laser system, designed by Johns Hopkins University engineers, will be launched into space to gather data on air pollution and atmospheric changes. The device uses ultraviolet light to strike gas molecules, providing critical information about the health of the atmosphere.
The International Free-Electron Laser Conference and Workshop will bring together specialists from around the world to discuss advancements in free-electron lasers. The conference, hosted by Duke University's DFELL laboratory, will showcase research on applications such as corneal wound healing, nanostructures, and neurosurgery.
A new laser treatment being tested at Rush University Medical Center has shown promise in eliminating the need for surgery in women with small breast cancers. The procedure uses a laser delivered through a needle to destroy tumors detected by mammography, resulting in no complications and minimal pain.
Researchers found that local communication, such as talking to neighbors, is crucial for a sense of community. The study also highlights the importance of strategic community organizations and media in building a stronger sense of belonging.
A team of Australian National University scientists has developed a type of semiconductor laser with world-leading performance, which can speed up information transport through optical fibers and improve real-time communication. The technology has attracted international commercial interest, including a Taiwanese company investing $50 ...
The device uses tiny polymer and electrode films to control light transmission, protecting military equipment from disabling laser attacks. It also has potential consumer applications, such as programmable sunglasses and improved cameras.
A new diode laser technique developed by MGH dermatologist Eliot Battle successfully removes excessive hair from individuals with darker ethnic skin. The longer-wavelength laser light and slower pulse delivery reduce damage to the surrounding skin, enabling patients with darker skin tones to tolerate higher energy dosages.
Researchers at the Mayo Clinic found that an experimental diode laser treatment controlled cancer growth in all but one patient with melanoma in the eye. No recurrences were noted in the remaining patients during follow-up periods.
Researchers at Vanderbilt University successfully removed a golf-ball sized tumor from a patient's brain using a precise infrared beam of light. The operation marks the first time a free electron laser has been used in a clinical setting, paving the way for potentially more precise and effective brain tumor removals.
Researchers at Vanderbilt University successfully used a free-electron laser to remove a sugar-cube-sized amount of tissue from a brain tumor. The operation took place using infrared light tuned precisely at 6.45 microns, which works well due to its absorption by water and protein molecules.
Researchers use data from the Mars Orbiter Laser Altimeter to test hypotheses of oceans on Mars, finding four types of quantitative evidence supporting an ancient ocean. The discovery has implications for understanding long-term climate change and its relevance to Earth's future.
Researchers at the University of Michigan have developed a new technique to accelerate ions, using a table-top laser instead of radio-frequency waves. The new technique accelerates ions in almost a million-times shorter distance than a cyclotron, potentially making ion accelerators more affordable and accessible for medical applications.
A new research method reveals that information can be stored on the surface of neurons with very high spatial density, similar to a CD-ROM. The method allows precise control over neurotransmitter release and discovered that modifications are highly restricted, enabling single synapses to store information separately.
Researchers found that transmyocardial laser revascularization (TMR) improves angina by at least 2 classes in 72% of patients, while also increasing myocardial perfusion by 20%. TMR safely and effectively improved heart function over a 12-month period, driving its use with difficult bypass and angioplasty procedures.
Researchers use ultrashort laser pulses to activate a critical surface reaction, allowing for the oxidation of CO molecules on transition metal surfaces. This novel approach enables the system to rapidly transfer energy into the oxygen-metal bond, outpacing desorption processes and unlocking new chemical pathways.
A CAD-driven laser forming process may eliminate costly manufacturing practices for aircraft structural components. This technology aims to reduce material usage, inventory, and costs by leveraging a layered manufacturing method.
Physicists at the University of Amsterdam have developed a new method for treating port wine birthmarks using a red laser light. The improved wavelength allows deeper blood vessels to be accessed without damaging surrounding skin tissue, leading to more effective treatment outcomes.
A laser pointer has been found to help some Parkinson's patients overcome freezing episodes, where their legs temporarily lock in place. The device provides a visual cue that helps patients take the next step towards regaining mobility, offering hope for those struggling with this debilitating symptom.
A new study from the Wellman Laboratories of Photomedicine at Massachusetts General Hospital found that Er:YAG laser treatment is as effective as CO2 laser for wrinkle removal but with fewer side effects. Patients experienced less skin reddening and faster recovery times with Er:YAG, which requires more passes to achieve similar results.
Researchers at NIST have demonstrated that three atom waves can be mixed together to produce a fourth matter wave, similar to combining optical laser beams. This breakthrough opens a new field of non-linear atom optics, which may lead to applications in amplifying matter waves and exploring quantum behavior.
German scientists have developed a laser that emits a continuous beam of matter waves, allowing for unprecedented control over atomic motion. The Munich atom laser opens new prospects in science and technology, including the precise deposition of atoms on surfaces and the creation of tiny nanostructures.
Physicists have successfully created an atom laser from a Bose-Einstein condensate using light manipulation, building on previous research funded by the Office of Naval Research. The NIST atom laser produces a highly directional beam with improved collimation compared to earlier experiments.
Researchers have created a laser without mirrors using powdered layers of zinc oxide and gallium nitride. The device amplifies light using a disordered structure, creating feedback to form lasing cavities and producing blue laser light.
The INEEL Laser Ultrasonic Camera transforms sound waves into an image, revealing object thickness, stiffness and imperfections. The system's dynamic holographic image shows waves moving along the surface of the entire object in real-time.
The National Science Foundation has awarded Williams College a $143,912 grant to equip a new laser facility, bringing together four research labs and a student workspace. The new equipment will enable researchers to measure optical wavelengths accurately and support a broad range of research in atomic, molecular, and optical physics.
The Sandia invention enables research development of EUV lithography, patterning faster and more memory-dense microchips. This light source is brighter than synchrotron radiation and takes less space.
A handheld laser device can detect sickle-cell anemia and track cell structure changes, distinguishing between cancerous and non-cancerous cells. The device is expected to reduce analysis time for victims of terrorist biological or chemical attacks, facilitating prompt treatment.
A new laser technique called photodynamic therapy appears to prevent further vision loss in people with the wet form of age-related macular degeneration. The treatment uses a red laser light to activate a toxic form of oxygen that stops abnormal blood vessel growth, potentially confining scar tissue and preventing vision loss.
Duke University Medical Center is testing a new laser system to pierce blood-carrying channels in ailing heart muscle, showing promising results for eight treated patients. The procedure, known as transmyocardial revascularization (TMR), creates new passageways that increase oxygenation and functional heart muscle.
Researchers have successfully demonstrated intersubband stimulated emission in an actual device structure, showing the potential for a tunable, mid-infrared solid-state laser. The new design is simpler and more efficient than previous concepts, with the ability to be tuned to specific wavelengths.
A new laser therapy, transmyocardial revascularization (TMR), has been found to be effective in reducing chest pain in patients with coronary artery disease. The procedure creates new blood-carrying channels in the heart muscle, improving oxygen supply and reducing symptoms.
MIT researchers verify coherence property in atomic beam, a key attribute of optical lasers, and extract controlled fraction of atoms from Bose-Einstein condensate to produce directional stream. This breakthrough may lead to significant innovations in nanotechnology and precision measurements at the quantum level.
A national survey found that HMOs cover a range of laser technologies from 25% to 90%, with independent practice associations covering more advanced procedures. The study suggests that cost is becoming a factor in HMO decision-making, potentially limiting access to new medical technologies.
Researchers at ORNL have developed a technique that combines laser light with pharmaceutical agents to selectively kill breast cancer cells. The laser delivers photons to the target tissue, activating an ingested agent that disables DNA replication and halts tumor growth.
Duke University's OK-4 optical klystron FEL, developed in Russia, has begun operating at the institution, producing intense beams of gamma rays and ultraviolet laser light. The device is expected to be used for medical research and answering questions in nuclear physics.
Researchers at the University of Rochester have developed a new surgical semiconductor laser that can produce a unified beam with high power and precision. The laser's design makes it possible to achieve power levels of 6-12 watts, twice as much as current devices.