Articles tagged with Laser Systems
Researchers at the University of Manchester used a laser scanning system to create a detailed 3D model of dinosaur tracks in Spain. The portable RIEGL LMS Z420i scanner allowed for rapid and high-resolution mapping of the fragile site, preserving important information on dinosaur locomotion.
Researchers have made the first measurements of bat wake fields, revealing a novel lift-generating mechanism. Bat wings are highly articulated and flexible, allowing for greater maneuverability than birds and insects. The findings could lead to the development of more efficient tiny flying machines.
Researchers use digital signal processing methods to eliminate echoes and scatter, enabling high-speed data transfer through the atmosphere. The approach provides fiber optic quality signals for improved air-to-air and ground-to-air communication links.
Researchers at University of Illinois create transistor laser that combines functionality of transistor and laser, enabling new signal mixing and switching capabilities. The device shows promise for replacing wiring with optical interconnects in electronic-photonic integrated circuits.
Scientists at NIST have developed an improved LIDAR system using a frequency comb to measure distance and vibration with high precision. The system resolves common problems with signal noise and dispersion, enabling accurate measurements of up to 1 kilometer away.
A team of researchers at the University of Texas at Austin has created a miniaturized silicon chip that can control laser light, enabling faster data transfer rates in high-performance computing devices. The chip uses silicon photonic crystals to slow down light travel, allowing for modulated transmission of information.
The Virginia Tech team has refined and tested their vehicles, Cliff and Rocky, for the DARPA Grand Challenge. The vehicles will navigate a 150-mile course in the Mojave Desert with no human intervention.
The NIST-F1 clock has been improved to measure time and frequency with unprecedented accuracy, recording an uncertainty of 0.53 × 10-15 seconds per measurement. This achievement is attributed to advancements in laser technology, atomic vapor management, and magnetic field control.
The recipient of the prestigious MacArthur Fellowship will be announced on September 20. The winner, a talented individual in the field of laser technology, will receive a $500,000 grant with no conditions or restrictions.
Loyola Medicine has become the first in the US to implant a new, FDA-approved defibrillator that can signal doctors of patient's irregular heartbeat or device malfunction. This innovation allows for real-time monitoring and early intervention, reducing mortality rates associated with arrhythmia.
Researchers at NIST developed a compact, vertically mounted cavity that eliminates vibrations, allowing for stable laser light with minimal environmental disturbances. The new design outperforms previous systems in size and cost, enabling widespread adoption of precise optical technologies.
The American Academy of Ophthalmology released its June 2005 journal, featuring studies and research on various aspects of ophthalmology. The journal is the world's largest association of eye physicians and surgeons with over 27,000 members.
Mechanical engineers at Purdue University have created micro-channel heat sinks that can cool electronic components, enabling faster performance and better functionality. The devices are being developed to address the growing need for efficient cooling in advanced laser systems, microwave radar, and future computers.
Researchers use genetically engineered flies to demonstrate controlled neural manipulation, offering a promising approach for studying behavior and potentially treating neurological disorders. The system involves triggering molecular lock-and-key interactions with laser light, enabling precise activation of specific nerve cells.
A team of researchers uses the Keck laser system to observe distant galaxies in unprecedented detail, finding that some systems exhibit old stars despite recent mergers. This discovery challenges prevailing theories of galaxy formation and may help explain the existence of large galaxies with little young star population.
Recent advancements in microchip lasers and optics have improved LADAR systems' speed of data acquisition, range accuracy, and reliability. LADARs are now used to generate topographic images, survey large bodies of water, and document construction sites.
A Clemson bioengineer has created a method using laser beams to align cells in a pattern, simulating tissue environments on a small scale. This technology could lead to early detection of cancer, saving lives, by detecting cellular responses to light.
Polar mesospheric clouds have been found to remove nearly all meteoric iron, a process similar to the depletion of the ozone layer. Laboratory experiments and computer modeling revealed that ice particles on the surfaces of these clouds efficiently uptake iron atoms, causing a local depletion in the metal layer.
The National Institute of Standards and Technology (NIST) has verified the accuracy of four world-class optical frequency rulers, a crucial step towards developing ultra-precise atomic clocks. These clocks are expected to be 100 times more accurate than current systems.
Researchers have taken advantage of a newly mounted laser guide star system at UC's Lick Observatory to obtain sharp, twinkle-free images of the faint dusty disks of distant massive stars. The images show that these stars form in the same way as solar-type stars inside a swirling spherical cloud.
Researchers at Cornell University have developed a playable nanoguitar that demonstrates the potential of tiny devices vibrating at extremely high frequencies. The device, made up of silicon strings, can produce audible tones when hit with a laser beam, offering a new approach to electronic circuit design.
REAl Glass has unique qualities useful for creating materials for demanding optical applications. The glass is made from Rare Earth oxides, Aluminum oxide and small amounts of silicon dioxide. It can be used to create efficient power lasers and expand coverage to new wavelengths, making it a promising material for surgical lasers.
Researchers will develop an attosecond laser system to capture electrons in motion, shedding light on atomic behavior and molecular interactions. The system's pulses will last 200 attoseconds, allowing for the first time to measure and probe dynamic processes at the atomic scale.
Scientists have made groundbreaking measurements of upper atmosphere temperatures over the South Pole, revealing a significant discrepancy with global circulation model predictions. The findings suggest that wintertime warming due to sinking air masses is weaker than assumed, leading to extreme cooling in the lower stratosphere.
Penn researchers used laser tweezers to study the strength of ligand-receptor binding in platelets, refining the paradigm of how blood clots form. They found that changes in integrin's ability to bind to fibrinogen are regulated by the cell as an all-or-none phenomenon with only one functional state compatible with binding.
Scientists have successfully synchronized two independent femtosecond lasers to generate a single pulse of light exhibiting properties of both lasers. This breakthrough enables the creation of new shapes of light pulses that could not be achieved individually.
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.
Damodar Pai, John Yanus, and Milan Stolka developed a new photoconductor made from small molecules that turns light into an electrically charged template with near-perfect efficiency. Their innovation led to practical commercial devices for home and office use, making laser printers more durable and affordable.
Gallium nitride is used to produce very bright light emitting diodes and lasers, and very high power transistors that can operate at high temperatures. The technology has potential applications in mobile phone base stations, surgery, and dentistry, promising huge energy savings and CO2 reductions.
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.
Researchers at Oregon Stroke Center have successfully treated five stroke patients with laser clot-busting, achieving complete vessel re-opening in some cases. The study aims to examine the safety of the technique and explore its potential as a next wave of acute stroke treatment.
A team of MIT researchers has successfully created an atom amplifier, increasing the intensity of a beam of atoms while maintaining their precise quantum mechanical wave formation. This achievement completes the laser analogy and has significant implications for precision sensors in navigation, geological exploration, and atomic clocks.
A team at the Naval Research Laboratory has successfully demonstrated room-temperature operation of an interband III-V laser diode emitting at a wavelength beyond three microns. This achievement brings gallium-antimony-based technology closer to practical and portable mid-infrared systems needed for military and commercial applications.
Scientists are creating tiny 'motes' of 'smart dust' that can communicate with each other and sense their environment, paving the way for a range of applications including weather monitoring and espionage. The devices use optical transceivers to minimize power consumption and have already demonstrated monitoring capabilities over 21 ki...
Researchers at the University of Illinois have improved the chemical oxygen-iodine laser (COIL), enhancing its performance and reducing operating costs. The device can now be scaled to high power levels and has a wavelength suitable for remote fiber-optic delivery.
A team of researchers at Ohio State University has created a single, reliable system that combines three sensing techniques to inspect the quality of high-power laser welds. The system can detect faults with significantly better accuracy than individual sensors alone, and is estimated to cost around $7,500 for manufacturing partners.
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.
University of Rochester scientists develop new materials that emit nearly perfect circularly polarized light, hundreds of times more pure than current materials. This breakthrough enables brighter and more efficient displays, with potential applications in 3D displays, laser goggles, and optical communication.
Researchers have visualized chaotic flows in three dimensions, revealing regular islands formed by unmixed liquid streams. The study's findings could lead to improved mixing conditions in various industries, including chemical companies and geophysics.
Researchers develop a new trap to confine Bose-Einstein condensates using light, enabling the manipulation of ultracold atoms. The team observes a Feshbach resonance for the first time in ultracold atoms, opening up new possibilities for studying and controlling this form of matter.
IntraLase Corporation will develop ultrafast ophthalmic lasers for refractive and other surgical procedures, enhancing eye care with precise technology. The company combines U-M intellectual property with Escalon Medical's patents to bring innovative laser solutions to the medical field.