laser

A simple version of ray tracing known as ray transfer matrix analysis is often used in the design of optical resonators used in lasers.

A few years ago lasers typically converted less than 40% of the electrical energy used to run them into beam power.

You don't have to be even a single cell. If you look, for instance, at how lasers work, that would be a case of atomic synchrony.

"One may argue that now we have femtosecond lasers which generate pulses with a length of a few femtoseconds, " he noted.

By using lasers, says Kuznetsova, they were able to break down the molecules without compromising the data encoded in them.

At the American Academy of Ophthalmology, aspokeswoman said the group was unaware of any increase in eye injuries causedby lasers.

Series triggering offers high timing accuracy and is often used in combination with liquid cooled lamps in lasers.

You will feel sweat pour from your forehead, as you jerk the ship to the side, weaving between the hail of destructive incoming lasers.

How much easier such treatments would be, theorises Dr Yun, if the lasers could be generated internally, by a patient's own cells.

Doctors today shine lasers into the body to gather images or to treat disease by attacking cells.

In the past, CO2 lasers have been used to treat RRP but only in the operating room, with the patient under general anesthesia.

Using lasers, researchers at the MIT Media Lab were able to activate a specific set of neurons in a monkey's brain.

Over time, as both the lasers and photovoltaic cells improve, the company hopes efficiencies of up to 50 per cent will be possible.

Lasers have been used experimentally in delicate vocal cord operations.

Three different data-gathering methods using lasers, light and high-speed photography were modified for use in the wind tunnel.

The researchers were trying to answer the basic question, why do lasers not exist in nature?

Boeing's approach incorporates a series of commercial-off-the-shelf, state-of-the-art lasers used in the automotive industry.

The technology, made possible by recent advances in ultrafast lasers, can accurately measure much higher frequencies than any other tool.

Conventional lasers use a so-called "gain medium, " such as a semiconductor material, to produce a focused beam of light waves.

These could store programs and process information by means of light - pulses from tiny lasers - rather than electrons.

We also concluded that stronger feedback and shorter length of the external cavity are beneficial to improving the stability of lasers.

Technique for passive phase locking of fiber lasers by an all-optical feedback loop is studied theoretically and experimentally.

Because gas lasers were often used as the light source, their beam had to be coupled into the thin-film wave guides.

ITT, for instance, is including a pair of lasers in its Infrared Countermeasures system.

One Colossi will be able to kill a group of Marines (before shield upgrade) with one sweep of its lasers.

In the area of manufacturing, lasers are used for drilling, cutting, joining, hardening, surface modification and micromachining.

Using computer-controlled lasers, the company developed plastic models of products ranging from toys to engine components.

In developing this new treatment method, traditional carbon dioxide lasers were modified into a fractional format.

Lasers make possible a fascinating form of photography known as holography.

You are usually required to buy at least one special fish before you are allowed to purchase lasers or egg shells.

By shining the lasers into the air from below they were analysing a cone that had its point at the base of the turbine.

But weaponized pure fusion would require miniaturizing lasers or other trigger technologies that currently involve building-sized equipment.

Flyers go after the thrill of the kill, with lasers simulating a hit, and sending your enemy into a smoky, spiral defeat.

As much as I like to destroy things with lasers out of my hands, flying has always been a terrifying and exhilarating experience.

Fiber optic cables and lasers capable of sending pulses of light down them already existed when Dr. Kao started working on fiber optics.

Mr Atkins said: "In terms of the amount of fireworks and the lasers, no one has ever done anything like it. "

National Ignition Facility will harness the power of lasers to turn hydrogen pellets into energy.

The company has developed a research prototype representing the world's first silicon-based optical data connection with integrated lasers.

Moreover, miniaturisation is not straightforward, not least because lasers cannot be made as small as transistors.

With a extra-cavity structure, the mutual-injection phase-locking of two inter-related fiber lasers is easily obtained.

The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.

The reason for the differences in the spectral purity with regard to longitudinal mode content of the lasers is still not clear .

The system is also unique through its capability of identifying lasers sources with the aid of a threat library.

A plasma cannon will loose against a few little fighters if it doesn't stand behind some missiles or lasers!

Boeing's approach incorporates a series of commercial, off-the-shelf lasers used in many industries for cutting and welding metal parts.

However, she said that even if we do find signs of alien life, it is likely to take decades to talk to them from Earth via radio or lasers.

Our products are used in a multitude of industries, including: laboratory, lasers, pharmaceutical, plastics, chemical, and medical.

The general results have applications in the optimal design of such passive Q-switched lasers.

As the research on optical transmission techniques improving, different types of tunable lasers have been developed.

The team has been developing a new approach to the problem: lasers made of ceramic powders that are pressed into spark-plug sized cylinders.

Another method, dubbed satellite laser ranging, fires visible-wavelength lasers from a few dozen ground stations at satellites.

Your ship is equipped with lasers and torpedos to help defend yourself, and scanners to assess the nearby threats and nearby sectors.

Results show that the epilayer-side mounting form can reduce the heat accumulation in the lasers more effectively.

Engraving lasers do not use ink, leave a permanent mark and are generally good for the environment.

Today lasers are also used to carve tissue from the cornea to correct defective vision (as shown left), and bleach birthmarks and tattoos.

Sampled grating DBR (SGDBR) lasers are the most promising one of the tunable lasers applied in optical communications.

With the replacement of lasers, the network can be used for the real-time detection of other gases.

Using lasers to treat scars is a new technology, but is one of the most promising options for severe scarring.

Its weaponry consists of a gunnery station with dual turbo lasers, as well as other "secret" armaments.

Gas lasers, semiconductor lasers and solid lasers are usually used in this kind of interference system.

On top of that, lasers last for a long time, whereas xenon lamps burn out and need to be replaced periodically.

Towers can be integrated with multiple lasers, and modular systems can be designed to grow laser automation with the business.

The physicists produced the jets by focusing lasers into a fluid surrounding a target cell.

These industrial lasers have demonstrated exceedingly high reliability, supportability and maintainability.

Launched by rocket, the Jules Verne uses a mixture of GPS and lasers to navigate its own way to the space station and dock with it.

I come from Lasers where I am alone on the boat and with only one sail.

Researchers can change the speed and direction of the glass object by changing the lasers' brightness.

Chaotic synchronization of semiconductor lasers with the coupling and its application in optical logic gates are studied.

a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.

First, in those days, lasers were bulky, expensive devices, whose only role in the cinema was to threaten to cut James Bond in half.

His research interests include biomedical imaging and spectroscopy, biophysics, ultrafast lasers, nonlinear optics and photonics.

Inhomogeneous thermal power density and temperature distribution of inside-pumped solid-state tube lasers have been derived in this paper.

That means the beam produced is of higher quality than other lasers, is extremely straight and can thus be focused onto a small area.

"Well, we've got to find something else. Unless you've got lasers. "

Firstly, we introduced the characteristics, basic theories, configuration, classification and application of fiber lasers.

So until now, clinics have used lasers or ultrasound to help deliver drugs deep into the skin.

Two of its three lasers, used to judge the sea ice height, have already failed and the third is on its last legs.

Dr Kasparian thinks that more powerful lasers will be able to draw lightning to the ground.

Quantum algorithms have been processed before, but only in exotic systems using lasers or ions suspended with strong magnets.

Optics and optical instruments. Lasers and laser-related equipment. Fibre optic connectors for non-telecommunication laser applications.

These pulsed lasers are commonly used to transmit information through fiber optic cables.

The design of wavelength tuning and stability control of tunable lasers is introduced and its feasibility verified by tests.

First drawn in 1951, Astroboy has rocket boots, lasers that shoot from his fingertips, and, uh, an ass cannon.

So LD pumped solid state lasers' performance can be improved on the basis of this research.

Tunable lasers with agile and multi-wavelength selective features will be a key component for the optical networks before long.

Optical frequency combs are generated by devices called mode-locked lasers, which create ultrashort pulses of light.

Therefore, the laser allows a reduction in the number of lasers in a spectroscopic analysis system.

Lasers can exert radiation pressure on small particles, which were used to cool and trap neutral atoms.

The lasers were real but the plan was fanciful Scientists now propose a more modest system, aimed at insects rather than nuclear warheads.

Cascaded Raman fiber lasers (CRFL), however, can laser at any wavelength provided that the appropriate pump sources are available.

Cascaded Raman fiber lasers (CRFL), however, can laser at any wavelength provided that the appropriate pump sources are available.

Lasers cauterize incisions, reducing bleeding and infection, sealing off nerve endings, and minimizing postoperative pain.

Ingenia's machines use a scanning head consisting of three small lasers and six detectors to examine part of an object.

NF3 is also used as a fluorine source in high energy chemical lasers, owing to its ease of use relative to fluorine gas .

Mainly engaged in semiconductor lasers, laser alignment, various types of laser modules of the production, and sale.

Lateral oxidation in vertical cavity surface emitting lasers (VCSELs) is described, and its characteristics are investigated.

A backlog of experiments in biology, physics and chemistry has already formed, which led to the need for more X-ray lasers.

The stability properties of semiconductor lasers strongly coupled to an external cavity are theoretically analyzed.

In the more recent series Astro Boy was also given an arm cannon, lasers in his fingers, and additional jets in his arms.

America and France are among a few countries developing powerful lasers to shoot down missiles.

The analyses of this article are of important references to designing end-pumped solid-state lasers.

The dependence of the performance of fiber lasers on the operation temperature and cavity configuration parameters is also investigated.

Continuous wave lasers is a switch or gray-scale modulational, can be carved small overlapping stripes, forming rhombic network points.

In the light-emitting diodes and lasers, ZnO has a great prospect and become a research focus in recent years.

But that may not matter too much. Lasers are more efficient than xenon lamps, which waste a lot of energy as heat.

Optics and optical instruments - Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shafts.

Unlike the materials typically used in lasers, germanium is easy to incorporate into existing processes for manufacturing silicon chips.

From laser hair removal equipment to tattoo removal lasers, discover the power of Palomar's technology.

The small all solid-state lasers can be used as optical sources in wire-less optical communication and atmosphere-measure systems.

Another part of the machine places cells at carefully measured positions on the scaffolding using lasers.

Laser Diodes (contd. ) : In-plane lasers: double heterostructure, quantum well, multi-contact, surface emitting.

But using light to process information is tricky, requires exotic materials and lasers that demand more power than conventional transistors.

Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.

He raised the Battloid's left arm, gripped the 'Cat around the waist, and tugged it into the lasers' field.

It is considered likely to fully replace the traditional solid-state lasers of a high-intensity light.

"The idea was to use lasers as a heat exchanger--take the energy and make a hot fluid that can expand out of the nozzle, " Bruccoleri says.

The device, about the size of a DVD player, uses lasers to send out flashes of infrared light.

Random mode hopping in narrow line-width lasers is a significant factor that affects the stability of the optical system.

Fifty years later, lasers are a staple in everything from astronomy, surgery and DVD players to cutting sheet metal.

Tunable ultraviolet (UV) lasers have important applications in scientific research and high technology fields.

The broad fluorescence spectrum of the organic dyes suggests a broad tunability range for lasers using them as the active material.

prints glossy, durable labels, using an electro-photographic process similar to laser printing, but using LEDs rather than lasers.

Most people don't think of these lasers as having a dark mode; it's the first time I've heard of one.

To begin with, the laser palette was rather limited: helium-neon and ruby lasers emitted red light, and others produced invisible infrared.

The collimation and shaping of the optical systems in the semiconductor lasers are emphatically presented in this paper.

The first step in creating this exotic form of material is to trap the ultra-cooled atoms of lithium-6 with lasers.

Tunable multiple-wavelength mid-infrared (mid-IR) lasers are obtained by changing the temperature of the crystal.

Introduced the principle and characteristics of their work, review the corresponding fiber lasers Home and Abroad.

Secondly, theoretic model and the theoretical analysis' method of the four-level system cladding-pumped fiber lasers are analyzed.

The first to emit the rest of the rainbow were ion lasers, made by passing a high-voltage discharge through argon or krypton.

These proven industrial lasers have demonstrated high reliability and the associated support and maintenance benefits.

Personal eye-protection - Eye-protectors for adjustment work on lasers and laser systems (laser adjustment eye-protectors).

Each Solo carries a camera at either end, sonar to scan below the water, and lasers to search sewer walls for acid corrosion.

Metal skins will be welded together with lasers, eliminating thousands of fasteners.

Other than using electrolysis method, lasers and flash lamps are also effective but giving you only permanent hair "reduction" .

The research on thermal blooming can effectively facilitate the application of high-energy lasers in both military and civilian fields.

With the present lasers, X-ray microscopy can be made using narrow band emission or black body radiation from laser plasmas.

At the same time, "technology" "creative" and "cooperation" will show up in the highway which is composed by quick running of lasers.

The main lantern came equipped with lasers and colorful fireworks that brought waves of applause from the crowd.

This effect, he says, could be used to improve lasers and replace expensive lenses in DVD players and other consumer products.

The other one uses some conventional testing method to test the facet temperature of the semiconductor lasers.

Livermore has been pursuing the idea ever since with a succession of bigger and bigger lasers, culminating in theNational Ignition Facility.

Fundamental principles of high-frequency chaos generation and synchronization in Er-doped fiber ring lasers are analyzed.

Weather forecasters are using satellites, lasers and specially equipped test aircraft to judge the ash cloud's location and density.

Lasers are also providing new insights into the motion of molecules in liquids, where most chemistry takes place.

Broken blood vessels accompany these wrinkles and can be treated with lasers or cautery .

They use several red, green and blue lasers and feed the light from these into an optical fibre to produce white light.

That problem has gone away as compact and inexpensive semiconductor lasers have become commercially available.

Great leaps in quality are claimed possible because the lasers can engrave at angles far exceeding those of the natural path of light.

Other components of the missile shield could include sea-launched missiles and lasers mounted in planes.

A newly developed instrument for detecting spectra and P - I characteristics of semiconductor lasers is presented in this paper.

The beam is different from the lasers used in pointers and industrial applications.

Perhaps. Babbage is no expert on the medical applications of lasers.

Lasers and laser-related equipment - Test methods for laser beam parameters : Beam positional stability.

And then, the tenability and dual-wavelength operation of the fiber lasers were analyzed with Jones Matrix.

With ordinary photo cells, one can pick up the frequency between two different lasers.

But the year of sputniks, lasers and Nobel laureates came to a standstill with the breakup of the USSR in 1991.

Reported X Light The hand-held shooting facilities include a projector camera and infrared lasers cameras and indicators.

Optics and optical instruments - Lasers and laser-related equipment - Vocabulary and symbols.

Other researchers, in America and Japan, are also looking at using lasers rather than microwaves to transmit power through the atmosphere.

Passengers walk through the machine as the lasers test the surrounding air.

Lasers solve all three of those problems, but instead of emitting white light, a laser emits a narrow band of frequencies at best.

The current modulation bandwidth of micro-cavity semiconductor lasers versus the active volume is analyzed.

Neodymium is found in the solid-state lasers used to designate targets.

Specifically, we've covered the use of lasers to understand and even model our buried history.

The turbo lasers seen in the films are readily recognizable by their characteristic recoiling sleeved barrels.

The lasers remove the scarred skin , and encourage growth of new skin in its place .

Many apparatuses, including lasers, optical units, vacuum system, etc. , are applied in the experiment.

Zap it from all sides simultaneously with the lasers and, scientists hope, the pellet will implode and the hydrogen nuclei will fuse.

This may then allow imaging of cell-lasers inside a living animal, rather than having to extract cells for investigation in the lab.

There wasn't uh, there's nothing. . . explodes, no chase scenes, nobody shooting nuclear lasers, and then no - no Martians or nothing.

As the key technology in WDM system, erbium-doped fiber lasers and amplifiers have acquired more attentions for their inherent advantages.

The improvement of lifetime plays important role in application and popularization of excimer lasers.

Experts at nLIGHT specialize in high-power semiconductor lasers and fibers for military, industrial, medical, and consumer applications.

The other mainstream approach is blasting a pellet of fuel with lasers, creating conditions hot and dense enough for fusion.

They have been studied as materials for optical detectors and mid infrared semiconductor lasers.

In this paper, development and application of the quantum cascade lasers are introduced.

Satellites can be temporarily blinded with lasers fired from earth.

On top of that, there is weak dependence on voltage by these lasers, and they are not sensitive to temperature change.

Fiber lasers have wide application in optical fiber communication and optical fiber sensing systems.

Thermal effect of the crystals seriously affects LD pumped solid state lasers'performance.

And the characteristics of the application: semiconductor diode laser is the most important practical for a class of lasers.

Solid-state lasers are powered by electricity, making them highly mobile and supportable on the battlefield.

Secondly, the probe could have an active radar or lidar defense that targets debris and uses lasers to vaporize the dust particles.

In this paper, a theoretical random walk model for the metal vapor condenser of metal vapor lasers is presented.

The idea of replacing spark plugs - a technology that has changed little since their invention 150 years ago - with lasers is not a new one.

But lasers and semi-conductor and computer research will be the engines of the 21st century, and there will be jobs in these fields.

Lasers can be used to perform operations nowadays.

The Mining Lasers group has been reorganized into separate sub groups for the different types of mining lasers.

Tesla cautiously pushed his hand into the lasers' field, and winced at the resultant burn.

The characteristics of the vertical-cavity surface-emitting lasers(VCSELs) is analyzed numerically.

TOPO is a useful configuration for multiple laser output, broad tuning range, and high-efficiency mid-IR lasers.

"If you could enrich with lasers, you could cut the cost by a factor of 10. "

Bar-code lasers can identify moving cars on the road, and drivers will accept purchasing vouchers.

Fireworks cascaded from the tower's spire to the base and lasers blazed out from all levels leaving the crowds awestruck.

Lasers may be popularly considered the essence of precision optics and purity of color.

Grewer's brainstorm was to create a method that uses lasers to trigger the transports' action.

The lasers by the runways act a bit like radars.

Lasers reproduce the pictures combined into three-dimensional images, or holograms.

The U. S. Food and Drug Administration approved lasers for neurosurgery in May 2009.

China has used high-energy lasers to interfere with US satellites, according to a US Army space-warfare specialist.

Dual- wavelength and multi-wavelength lasers have become an international hot topic recent years.

The recent advance in quantum cascade lasers offers an ideal compact source for mid and far-infrared laser emission.

Of course you can settle for cheap lasers or laser pointers sold by other companies at the expense of quality.

In Lhis paper, the history and status of the studies on distributed feedback (DFB) semiconductor lasers are introduced.

Lasers can be used as measuring instruments for making accurate measurements of very small objects.

Several manufacturers received FDA permission to claim, "permanent reduction, " NOT "permanent removal" for their lasers.

In this paper, the basic theory of frequency chirp in semiconductor lasers is discussed.

American satellites have been "dazzled" by lasers fired from the ground.

The practice of ophthalmology requires increasing amounts of capital to fund the purchase of lasers and other expensive equipment.

s of the international conference on the solid-state lasers for application to inertial confinement fusion (3rd).

Lasers can be widely used in industrial and medical fields because of their good features.

Thousands of strontium atoms are cooled by a system of blue lasers.

It should be helpful for selecting appropriate materials for nanotexturing of thin films by ultrafast lasers.

Sheldon: No. That was a result of my work with lasers.

Nasa is considering using lasers to deflect space junk around Earth and stop it colliding with satellites.

The most common type of toner-based printer is the laser printer, which uses precision lasers to cause toner adherence.

A confocal microscope with lasers allowed the researchers to image the cells at very high resolutions.

The theory model of fiber Bragg grating external cavity semiconductor lasers (FBG-ECL) is studied.

Without lasers, that robo-SUV, nicknamed Stanley, neverwould've left the starting line.

But only with the advent of smaller lasers has the idea of laser-based combustion become a practical one.

However, it remains a major task to develop various high performance diode-pumped solid state lasers.

While in random lasers, the multiple scattering origined from the randomness is the actual lasing feedback mechanism for such systems.

Lasers offer some obvious advantages over magnetic confinement.

LASERS AND LASER-RELATED EQUIPMENT. LASER DEVICE. MECHANICAL INTERFACES. (EUROPEAN STANDARD EN 31253).

But for local and regional estimates lasers can be flown on aircraft.

Oil droplets lit by lasers swirl in a wind tunnel around a flowering blade of grass.

The device uses lasers to identify explosive material in gases in the air.

This study is helpful to optimize the design of the diode side pumped solid state lasers.

The fibered Q-switches are the critical components of the Q-switched all-fiber lasers.

They are advancing in on-line process control and laser integrated production with several lasers and workstations.

This will cause lasing emission wavelength to shift from ground states to excited states in QD lasers.

To cool atoms to near absolute zero, physicists rely on systems of lasers and magnetic fields to trap atoms.

Vertical-Cavity Surface-Emitting Lasers (VCSEL) is a new type semiconductor laser.

Set the Aesthetic Lasers product application and training plan in local territory.

Some 3D printers spread metal powders on the print table and sinter the pattern with lasers or electron beams, rather than using masks.

The implant spray-coating with hydroxyapatite produced by excimer and CO2 lasers stimulates osteogenesis.

That request includes sophisticated radars, lasers and GPS-guided bombs.

Lasers at the other end received the pictures and produced holographs on the screen.

And other groups are turning modest-sized optical telescopes to searching for nanosecond flashes from alien lasers.

Together, the thermal imager, daylight camera, and lasers are in a 4-axis gimbal stabilized pod that provides 360-degree coverage.

Laser light part adopts domestic semiconductor lasers AL0808T500 to output highly stable coherent light.

The marking system designed according to my study can adapt various lasers. The speed and quality of marking is excellent.

"The gold nanoparticles have this ability to be activated by near-infrared lasers so that they can be heated quite rapidly, " he says.

In all lasers, light is repeatedly reflected within a mirrored cavity.

Accelerate programs to protect its satellites against ASAT weapons of all kinds, including lasers.

A coherent combining scheme for two solid state lasers was proposed by using Michelson cavity technique.

Abstract: The current study is focused on organic semiconductor lasers.

The second-order approximate solution of P-doped cascaded Raman fiber lasers were obtained by nonlinear method.

Vertical Cavity Surface Emitting Lasers (VCSELs) have been studied extensively in the field of optoelectronics over the past few years.