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Imaging/Detectors: Camera-to-PC Interfaces
Machine vision providers are realizing the benefits of digital cameras with high resolution and frame rates, and they are migrating toward these higher-performance alternatives. As this happens, the need for more bandwidth to transfer the cameras’ data is critical. It is already clear to imaging professionals that transmitting digital data directly from a camera to a personal computer is beneficial because it does not require the conversion from digital to analog and back to digital...
Photonics Spectra, January 2000
Imaging/Detectors: Catching Photons
When we try to capture and analyze light, we enter the realm of detectors and imaging technologies. Whether we hope to view images or count photons, we use devices that work by absorbing particles of light and turning them into information. If we...
Photonics Spectra, January 2000
Imaging/Detectors: CMOS Detectors
Complementary metal oxide semiconductor (CMOS) active-pixel image sensors have found application in areas such as videoconferencing, security surveillance and machine vision. Active-pixel CMOS devices use less power and cost less than traditional...
Photonics Spectra, January 2000
Imaging/Detectors: Infrared Imaging
Thirty years ago, the cost and complexity of thermal imaging made the technology feasible only for high-end defense and science applications. As we enter 2000 and look toward 2005 and beyond, infrared imaging will touch all corners of our lives,...
Photonics Spectra, January 2000
Imaging/Detectors: Machine Vision
Three forces direct the evolution of machine vision: Enabling technology determines what is possible, algorithms determine what is practical, and applications determine what is desirable. Machine vision depends on two kinds of enabling technology,...
Photonics Spectra, January 2000
Imaging/Detectors: Photomultipliers
Application demands for increased performance are stimulating photomultiplier manufacturers to continuously improve detectors and develop innovative devices. The demands are coming both from traditional applications such as gamma cameras and...
Photonics Spectra, January 2000
Imaging/Detectors: Scientific Imaging
Five years ago, high-performance charge-coupled device cameras were slow, monolithic and difficult to use. Today, the cameras are significantly faster, often much smaller and almost completely software-controlled. In the coming several years, we...
Photonics Spectra, January 2000
Instrumentation & Accessories: Positioning
Decades ago, few people believed that industry would ever need to move macroscopic bodies by nanometers. Today it is a necessity. One example is in data storage. With the constant need for more storage capacity in smaller packages, drive components...
Photonics Spectra, January 2000
Instrumentation & Accessories: Test Equipment
During this decade, the telecommunications industry has been making a transition from a slowly growing network optimized for voice traffic to one whose bandwidth needs are exploding to keep pace with data exchange between computers. Fiber optic...
Photonics Spectra, January 2000
Instrumentation & Accessories: Using Photons
Instrumentation and accessories are seeing the same kinds of market trends as other photonics technologies. "Better, faster, cheaper" is a contagious battle cry. Laboratory equipment and OEM components are shrinking in both size and cost while...
Photonics Spectra, January 2000
Lasers and Light Sources: High-Power Diode Lasers
During the last several years, high-power diode lasers based on bars have developed rapidly both in optical output and in lifetime. In only five years, the typical output from a single commercially available diode laser jumped from 20 to 50 W...
Photonics Spectra, January 2000
Lasers and Light Sources: Industrial Lasers
The market for industrial lasers has largely been dominated by high-power CO2 and lamp-pumped Nd:YAG lasers. These devices have provided cost-effective access to high-power infrared and visible laser emission for applications that include cutting,...
Photonics Spectra, January 2000
Lasers and Light Sources: Making Photons
By valuing reliability, efficiency and economy above gadgetry and engineering elegance, the communications, medical and manufacturing markets are changing the laser business. These customers are generously rewarding laser manufacturers who can share...
Photonics Spectra, January 2000
Lasers and Light Sources: UV Lasers
One application trend vital to the future of UV laser makers has been the miniaturization of electronic devices brought on by an explosive demand for communications and information technology. As demand increases for portable gadgets such as...
Photonics Spectra, January 2000
Optics, Materials & Coatings
Changes in the optics market are coming, and fast. The Internet and overnight courier services have changed customer expectations for service and immediate delivery. Improved PCs and easy-to-use optical design software are enabling customers without...
Photonics Spectra, January 2000
Optics, Materials & Coatings: Design Software
Any designer knows that real lenses aren’t just surfaces; they’re whole objects with edges, bevels, scratches, bubbles and so on. In real optical systems, some light always reflects when it should refract, and that light has the annoying...
Photonics Spectra, January 2000
Optics, Materials & Coatings: Interference Filters
Optical filters separate wavelengths of light using the principle of optical interference. For 25 years, filter technology has enabled products such as missile guidance and target recognition, medical diagnostic tools, analytical instruments,...
Photonics Spectra, January 2000
Optics, Materials & Coatings: Micro-Optics
The telecommunications industry was one of the first users of micro-optics, back in the 1980s. The integration of semiconductor lasers, micro-optics and fibers into small packages was the economic basis of efficient optical networks. Today...
Photonics Spectra, January 2000
Optics, Materials & Coatings: UV Optics
Ten years ago, the ultraviolet- transmitting optic was considered a mature, developed product. Today market forces are challenging suppliers to dramatically improve UV optical performance. Suppliers who can meet the challenge will participate in at...
Photonics Spectra, January 2000
Clouds in the Crystal Ball
An expert is someone who can accurately predict how a certain technology will progress in the next 12 to 18 months. An authority can extend the prediction relatively accurately to five years or so. A visionary looks ahead 10 years or more and is...
Photonics Spectra, December 1999
Photonics Gets Personal
The last time the millennial clock rolled over, the only individuals that required some stamp of personal identification sat on thrones. Signet rings and hot wax made a simple task of identifying the agents of a king and verifying official business....
Photonics Spectra, December 1999
Photovoltaics Grows Up
Long dismissed by some pundits as expensive and impractical, photovoltaic cells, also known as solar cells, are a popular way to generate electricity in remote areas. John Benner, a researcher at the National Renewable Energy Laboratory in Golden,...
Photonics Spectra, December 1999
Sensing the Century
The Deep Space 2 microprobe, which recently slammed into Mars, only hints at what’s possible in the next century as smart sensors merge with biological and chemical systems, according to Barbara Wilson, chief technologist and director of...
Photonics Spectra, December 1999
The Photon Connection
Wearable, miniature computers that moonlight as movie viewers with nearly unlimited selections. Enough bandwidth to simultaneously connect every living person through just one optical fiber. These are the applications that photonics should enable by...
Photonics Spectra, December 1999
A Start on Parts for Multiphoton Microscopy
Ten years ago, in a Cornell University laboratory in Ithaca, N.Y., researchers unveiled the first multiphoton microscope for biological imaging. The biomedical research community quickly realized the virtue of the technology, which demonstrated that...
Photonics Spectra, November 1999
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