Laser Current Events

Laser Current Events, Laser News Articles.
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Groundbreaking device improves laser accuracy in surgeries
A Queen's physicist and a Ph.D. student have developed a groundbreaking device that controls the depth of a laser cut, laying groundwork to provide pinpoint accuracy during surgeries. (2012-04-18)

New research shows that laser spectral linewidth is classical-physics phenomenon
New ground-breaking research from the University of Surrey could change the way scientists understand and describe lasers - establishing a new relationship between classical and quantum physics. (2020-07-10)

Most powerful laser in the world fires up
The Texas Petawatt laser reached greater than one petawatt of laser power on Monday morning, March 31, making it the highest powered laser in the world, Todd Ditmire, a physicist at the University of Texas at Austin, said. (2008-04-08)

The cleanest cut
Vanderbilt University's Free Electron Laser center recently made history when an infrared beam of light tuned precisely at 6.45 microns helped to remove a golf-ball sized tumor from a patient's brain. (2000-01-05)

A second look at glaucoma surgery
New research led by Queen's University Professor Robert Campbell has revealed using anti-inflammatory medications after glaucoma laser surgery is not helpful or necessary. (2014-09-18)

New laser therapy helps slow macular degeneration
A new, low impact low energy laser treatment for patients with early age-related macular degeneration has produced positive results by reducing indicators of the disease. (2014-11-18)

UCSB researchers develop hybrid silicon evanescent laser
In what promises to be an important advance, researchers at the University of California, Santa Barbara have developed a novel laser by bonding optical gain layers directly to a silicon laser cavity. This hybrid laser offers an alternative to silicon Raman lasers and is an order of magnitude shorter. The laser is optically pumped, operates in continuous wave mode, and only needs 30 mW of input pump power. (2005-11-15)

Physicists mimic quantum entanglement with laser pointer to double data speeds
In a classic eureka moment, a team of physicists led by The City College of New York and including Herriot-Watt University and Corning Incorporated is showing how beams from ordinary laser pointers mimic quantum entanglement with the potential of doubling the data speed of laser communication. (2015-10-28)

Birthmarks best treated with red laser light
Gorbachev was probably not greatly troubled by his (1999-06-15)

Tunable lasers to improve infrared spectroscopy
A new, broad-band tunable infrared laser has major implications for the detection of drugs and explosives. (2016-06-08)

Physicists build reversible laser tractor beam
Physicists have built a tractor beam that can repel and attract objects, using a hollow laser beam, bright around the edges and dark in its center. It is the first long-distance optical tractor beam, 100 times larger than previous. (2014-10-20)

Laser treatment shows promise for treatment of eye cancer
Mayo Clinic eye specialists report promising short-term results with an experimental diode laser treatment for selected small cancerous melanomas in the eye. (2000-01-11)

Optimising laser-driven electron acceleration
In a new paper published in the EPJ D, Etele Molnár, ELI-NP, Bucharest, and co-authors study and review the characteristics of electron acceleration in a vacuum caused by the highest-power laser pulses achievable today looking for the key to maximum net energy gain. (2020-12-04)

NRL begins field tests of laser acoustic propagation
Atmospheric laser propagation is useful for applications where airborne lasers produce underwater acoustic signals without any required hardware in the water, a highly useful and efficient tool for undersea communications from aircraft. (2011-01-12)

Studies from the November issue of The Archives of Dermatology, a theme issue on facial rejuvenation
A roundup of articles from the November issue of The Archives of Dermatology--a theme issue on facial rejuventation. (2004-11-15)

New Laser Techniques Banishes The Pain And Mess Of Bonding Plastics
Any manufacturer trying to confidently stick two pieces of polypropylene type materials together is usually faced with using environmentally unfriendly pre-treatments. Some of these pre-treatments are chemical, others heat based, but all waste time and cost money. These can now be dispensed with thanks to a set of novel laser bonding techniques developed by the Warwick Manufacturing Group at the University of Warwick. (1998-12-21)

Research breakthrough pinpoints aim of ion beams fired at cancer tumors
Nonsurgical cancer therapy that destroys tumors but leaves healthy surrounding tissue intact could be available at every hospital if research reported this week in the journal Nature eventually comes to fruition. (2006-01-26)

Success for first international laser school
MORE than 80 scientists from across Europe converged on Caen, France for the first international school on laser applications, organized by LA3NET - a training network initiated and coordinated by the University of Liverpool and the Cockcroft Institute. (2012-11-05)

Lasers see red
The first room-temperature operation of an interband III-V laser diode emitting at a wavelength beyond three microns was demonstrated recently at the Naval Research Laboratory in Washington, D.C. (1999-10-06)

Laser surgery technique gets new life in art restoration
A laser technique best known for its use to remove unwanted tattoos from the skin is finding a second life in preserving great sculptures, paintings and other works of art, according to an article in ACS' monthly journal, Accounts of Chemical Research. The technique, called laser ablation, involves removing material from a solid surface by vaporizing the material with a laser beam. (2010-02-24)

Lasers put a shine on metals
Polishing metal surfaces is a demanding but monotonous task, and it is difficult to find qualified young specialists. Polishing machines do not represent an adequate alternative because they cannot get to difficult parts of the surface. A new solution is provided by laser polishers. (2009-11-06)

Laser treatment reduces eye floaters
Patients reported improvement in symptoms of eye floaters after treatment with a laser, according to a study published by JAMA Ophthalmology. (2017-07-20)

UCF researchers develop first sypersymmetric laser array
A team of University of Central Florida researchers has overcome a long-standing problem in laser science, and the findings could have applications in surgery, drilling and 3D laser mapping. (2019-02-28)

Deformable mirror corrects errors
Very high power is needed to cut or weld using a laser beam. But this creates its own problem: the beam's energy deforms the mirrors that are focusing it to a point. When this happens, the beam expands and loses intensity. A new type of mirror can deform itself so as to correct this unwanted deformation. It will be presented at the Optatec trade fair in Frankfurt from May 20 to 22. (2014-05-14)

New laser treatment may replace lumpectomy in patients
A new procedure being tested at Rush-Presbyterian-St. Luke's Medical Center in Chicago holds much promise for eliminating the need for surgery in women with small breast cancers. This procedure uses a laser delivered through a needle to destroy tumors detected by mammography. (2000-07-16)

Lawsuits increasing over skin-related laser surgery like hair removal performed by non-physicians
A study published online Oct. 16 in JAMA Dermatology found that lawsuits related to procedures when non-physicians are operating the laser are increasing, particularly outside of a traditional medical setting. (2013-10-16)

MR-guided laser effective in treating liver tumors
A large-scale, 12-year study has found that laser ablation with magnetic resonance (MR) guidance is as effective as traditional surgery in the treatment of liver tumors in some patients. The study was presented today at the annual meeting of the Radiological Society of North America (RSNA). (2005-11-29)

Balancing beams: Multiple laser beamlets show better electron and ion acceleration
Researchers at Osaka University show how creating interference patterns with four laser beamlets improves the efficiency of energy transfer when accelerating electron and ion beams. This method can be used to enhance biological and astrophysical research. (2019-07-24)

Taking the 'random' out of a random laser
Random lasers are a new kind of light source: Tiny structures, which emit a unique light pattern. Scientists at the Vienna University of Technology have now shown that this light pattern does not have to be purely random. It can be controlled, so that the laser emits a beam into a predetermined direction. (2013-07-15)

50 years of the 'light fantastic': Laser advances spark scientific progress
Fifty years after the first laser sparked a technological revolution, the (2010-03-10)

Powerful laser sheds light on fast ignition and high energy density physics
A new generation of high-energy petawatt lasers is being constructed worldwide to study high intensity laser matter interactions, including fast ignition. (2009-11-02)

Researchers use trident laser to accelerate protons to record energies
An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can now accelerate particles to extremely high velocities that would otherwise only be possible using large accelerator facilities. Physicists around the world are examining laser particle acceleration and laser produced radiation for potential future uses in cancer treatment. (2009-11-02)

Physicist receives two prestigious grants to support research, purchase world-class laser system
A Kansas State University assistant professor has been honored with two prestigious national awards for his research that will develop a deeper understanding of the basic laws of nature at the quantum level. (2012-09-25)

NRL Nike Laser focuses on nuclear fusion
Researchers at the US Naval Research Laboratory successfully demonstrate a single-step focal zooming process to maximize the efficiency of the world's largest operating krypton fluoride gas laser. (2013-03-20)

Instant control for laser welding
A novel camera system has 25,000 processors integrated in its pixels which work together to analyze images the instant they are taken -- over 10 times faster than a computer. This allows to automatically adjust the output of a laser as it performs welding operations. (2009-03-09)

Chemical sensor on a chip
Scientists at the Vienna University of Technology have managed to create a tiny laser and a corresponding light detector in one production process, on a single chip. The light is transported from the laser to the detector on a specially designed waveguide. That way, the chip can measure the chemical composition of the liquid in which it is submerged. (2014-06-11)

Femtosecond laser fabrication: Realizing dynamics control of electrons
Femtosecond lasers are capable of processing any solid material with high quality and high precision using their ultrafast and ultra-intense characteristics. With the continuous development of laser technology, ultrafast laser manufacturing would hopefully become one of the primary methods employed in high-end manufacturing in the future. (2018-03-27)

NPL and Arden Photonics use phone camera technology for compact laser measurement device
Liquid lens technology, originally developed for mobile phone cameras, allows for quick, accurate and cost-effective measurement of laser beams. (2013-12-11)

Detecting the shape of laser pulses
A team of researchers at the Center for Relativistic Laser Science, within the Institute for Basic Science (IBS) have developed a method to measure the shape of laser pulses in ambient air. Unlike conventional strategies, it is does not require a vacuum environment and can be applied to laser beams of different wavelengths (UV, visible or longer). This patented technique, currently available for technology transfer and commercialization, has now been published in Optica, and it is expected to accelerate studies on light-matter interaction. (2018-05-17)

Plasma as a fast optical switch
Laser uses relativistic effects to turn otherwise opaque plasma transparent, creating an ultra-fast optical switch useful in next-generation particle accelerators. (2010-11-08)

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