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Lasers Features
Weapons of War:
Military lasers have become the weapons that existed only in science fiction novels a generation ago. From blowing enemy missiles out of the sky to tracking enemy targets, the sheer numbers of laser weapons has prompted a new way of thinking within cost-minded defense agencies. New generations of strategisits will look to commercially available lasers and tunable non-linear elements to act as sources for a growing list of lasing weapons. These new weapons systems will use lasers designed, not...
Photonics Spectra, September 1997
Cardiology:
Keyhole" is the buzzword for lasers in cardiovascular surgery, as it is in many other surgical disciplines. Minimally invasive procedures are being cultivated to reduce the injury and healing time for patients, and reduce the cost for insurance...
Photonics Spectra, August 1997
Ophthalmology:
Lasers have worked in ophthalmology almost since the laser was invented in 1960. Granted, the techniques have changed and new procedures have evolved, but ophthalmological lasers remain among the most widely used of all surgical lasers. Global...
Photonics Spectra, August 1997
CLEO '97: R&D Expands Applications
When the Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science (CLEO/QELS '97) kicks off this year, the tens of thousands of attending researchers and developers can be sure of one thing: It’s not just more of the same.In...
Photonics Spectra, May 1997
Laser Radar Watches the Friendly Skies
Rain, fog, high winds and snow are notorious for ruining air travel schedules. Not only do these conditions inhibit the smooth (and tightly scheduled) flow of aircraft, but they add to the air traffic controller’s burden. Laser radar research under...
Photonics Spectra, April 1997
Diode Lasers Sing Spectroscopy's Tune
Environmental issues such as global warming, ozone depletion and photochemical air pollution have increased concern about how pollutants affect the environment. This has led to an increased emphasis on detecting pollutants, understanding their...
Photonics Spectra, March 1997
Laser-Induced Fluorescence Fires Up Engine Research
As the world's sensitivity to environmental pollution increases, it is becoming increasingly important to understanding the overall nature of combustion. They key to this knowledge is precise and detailed measurement of the temperature, distribution...
Photonics Spectra, March 1997
Fiber-Free Laser Communications Soar to 'Unheard of' Heights
When telecommunications companies first looked for solutions to the overcrowded world of wired, electronic communication, coherent light and fiber optics were there. Fiber optics brought high-bandwidth communications without the electromagnetic...
Photonics Spectra, February 1997
High-Power Diode Lasers Earn a New Image
The growth and development of continuous-wave high-power diode lasers in the last few years has been phenomenal, enabling many advances in a wide range of applications. Diodes’ efficiency, compactness and cost-effectiveness make them an excellent...
Photonics Spectra, February 1997
Laser Fusion: An Old Dream Nears Realization
When completed in 2002, the National Ignition Facility will culminate more than a decade of research on laser ignition: the controlled implosion of a small, hydrogen-isotope-filled target by laser beams of sufficient energy and quality to create...
Photonics Spectra, January 1997
Microlasers Can Anticipate Expanding Market
The air-cooled argon-ion laser remains the most widely used source OEM applications requiring blue or green light. However, its shortcomings in efficiency, size, operating life and cost have inhibited the growth and development of applications....
Photonics Spectra, January 1997
PC-Based Laser Analyzers: New Uses Require Improved Devices
Over the past few years the beam-profile quality of lasers has risen dramatically. Nevertheless, competitive pressures and demanding applications require even higher beam quality and are pushing the capabilities of many lasers. The only way to...
Photonics Spectra, January 1997
Diode-Pumped Solid-State Lasers Find Their Place in the Lab
The $100 million-plus annual scientific laser market continues to be a prime area of opportunity and focus despite limited research and development expenditures in recent years. Historically dominated by gas, lamp-pumped solid-state and dye lasers,...
Photonics Spectra, December 1996
Laser Advances Spark Ultrafast Studies
Advances in solid-state short-pulse laser oscillators, amplifiers and ultrafast optics have sparked an explosion in the number of studies of ultrafast phenomena. These experiments include direct control of chemical reactions, direct observations of...
Photonics Spectra, December 1996
Laser Chemistry Moves Toward Smaller and Faster Probes
Molecular-level studies examine the effect of individual molecules on the properties of chemistry and materials. Recent progress in such studies has relied on some new laser techniques: Ultrafast lasers have recently reduced the time scale to break...
Photonics Spectra, December 1996
Lasers Control Molecular Motion
In quantum mechanics, interest has turned toward controlling, rather than explaining, atomic, molecular and electronic processes. The technology of coherent control employs light-induced interference to affect the dynamics of matter and assist in...
Photonics Spectra, December 1996
Lasers Offer Coherent Control of Material Behavior
The goals of laser control in chemistry include manipulation of collective and molecular properties. Femtosecond lasers have already helped study crystal lattices, and more extensive manipulations are expected because of advances in laser pulse...
Photonics Spectra, December 1996
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