Bristol Instruments, Inc. - 872 Series LWM 9/25 LB

Features

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 and concentration of combustion products, including carbon dioxide, carbon monoxide, oxygen, total hydrocarbons and oxides of nitrogen. Planar laser-induced fluorescence is an excellent diagnostic technique for measuring species concentration...

Photonics Spectra, March 1997

Optical Fibers Make Sense of Chemicals

Optical fibers have revolutionized a variety of fields: They carry images through endoscopes, voices through phone lines, data and video through cable networks, and, more recently, physical and chemical information through sensors. The fiber's...

Photonics Spectra, March 1997

Stay Tuned: Photonic Filters Color Your World

Spectral information enhances our knowledge of astronomy, chemistry, metallurgy, and meteorology, and it contributes to applications in photonics, communications and medical instrumentation. Different specialties may use one of many spectral...

Photonics Spectra, March 1997

3-D Imaging Adds Depth to Science, Industry and Medicine

When most people over 30 think of three-dimensional video, they conjure up memories of wearing silly red/blue glasses to watch even sillier horror movies. Today, three-dimensional imaging is serious business. An impressive array of advances in 3-D...

Photonics Spectra, February 1997

Europe's Telcos Gird for Traffic Onslaught

European telecommunications companies, anticipating the demand for delivery of interactive multimedia services to business and residential customers, are busy planning for tomorrow. On the drawing boards are broadband networks designed for...

Photonics Spectra, February 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

Integrated Optics: Molding Photonic Components into Solutions

Instrumentation and consumer product designers are enamored of photonics technology. Products containing lasers, LEDs and detectors abound on the shelves of electronics stores, appliance centers and even the corner gas station. Photonics makes new...

Photonics Spectra, February 1997

Spatial Light Modulators Help Machines 'See' Faster

Once, our eyes were all the quality control we needed. But as products became more complex -- containing more, smaller parts -- so did the need for quicker, more efficient inspection techniques. Photonics technology has mirrored the increasing...

Photonics Spectra, February 1997

A Bright Future for Organic Light-Emitting Diodes

Organic materials are part of our everyday life, but only recently have photonic devices begun to exploit their versatility. For more than 20 years it was common knowledge that organic crystals exhibited electroluminescence when large voltages were...

Photonics Spectra, January 1997

All Solid-State Lasers: An Industry Option with Big Potential

Improvements in the size, power, lifetime and ruggedness of solid-state lasers has truly improved their chances in a marketplace that sees a laser as a device and not necessarily a tool. As applications for solid-state devices grow, researchers will...

Photonics Spectra, January 1997

Automation Boosts Low-Cost Fiber Pigtailing

The explosive increase of fiber optics in communications, materials processing and medicine is driving both performance and manufacturing technology improvements in fiber optic interconnects. However, the task of accurately aligning and affixing...

Photonics Spectra, January 1997

CMOS Imaging Approaches Stage Three in its Evolution

Proving that imaging based on complementary metal oxide semiconductors (CMOS) could compete with CCDs was a multifaceted effort. The first step was developing a working product. The second phase was to prove that CMOS imaging could compete...

Photonics Spectra, January 1997

IR Imaging Arrays Turn to Quantum Wells

A new semiconductor-based infrared detector technology for mid- and long-wavelength instruments is ready for the marketplace. The quantum-well infrared photodetector (QWIP) is based on absorption by confined carriers in multiple quantum wells. QWIPs...

Photonics Spectra, January 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

Long-Period Gratings: Next Generation of Fiber Sensors

Fiber optic sensors, thanks to their size, flexibility and survivability advantages, continue to gain popularity as effective alternatives to conventional transducers. Two types have emerged as leaders in meeting the changing needs of industrial...

Photonics Spectra, January 1997

Micro-Opto Electromechanics Could Revolutionize Photonic Systems

Advances in micro-optics have led to the development of large-volume and batch-processed diffractive and refractive micro-optical components, creating a technology that promises to revolutionize many photonic systems. Similar to micro-optic...

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

Microscopy: Old Technology Gets New Life

Over the last 150 years of microscope development, an impressive array of innovations has come to light. Today’s seemingly commonplace imaging techniques include phase contrast, which won a Nobel prize for the Zeiss developer Frits Zernicke when...

Photonics Spectra, January 1997

Modular CCDs: Building Blocks for Large-Area Sensors

Using the concept of a jigsaw puzzle, the latest generation of high-resolution imagers is built up from several pieces of 1-megapixel blocks. Philips joins the pieces together using dedicated stitching patterns available on the masks during the...

Photonics Spectra, January 1997

Optical Software Undergoing Dramatic Change

Lens design software once was characterized by large, expensive and user-unfriendly programs running on large, expensive and painfully slow mainframe computers. Lens design was almost exclusively the domain of dedicated professionals in classical...

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

Raman Spectroscopy: Ready to Meet New Challenges

Once the realm of a few theorists, Raman spectroscopy has surged in popularity during the last decade. Improvements in optics, lasers, detectors and data analysis techniques have turned this laboratory technique into an industrial tool used even in...

Photonics Spectra, January 1997

Replica Molding: Complex Optics at Lower Costs

Researchers at Harvard’s Chemistry Department are exploring new ways of fabricating complex, optically functional surfaces, components and devices using elastomers as starting materials. Organic polymers in elastomeric molds show promise because...

Photonics Spectra, January 1997

Smart Lightpipe Designs Provide Cost-Effective Optics

For a technology that doesn't get much respect, lightpipes are undergoing remarkably rapid applications growth. Lightpipes carry light from sources -- incandescent or fluorescent lamps or light-emitting diodes -- to illumination tasks. Applications...

Photonics Spectra, January 1997

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