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Consumer Features
Bring Images to Life
Making photographs at the microscope can be difficult. For example, magnification produces problems associated with the depth of field, and diffraction creates problems with image resolution. One of the most difficult aspects of photographing...
Photonics Spectra, July 2000
Thorough Testing Produces Fiber Lighting System
A fiber optic distributed lighting system can illuminate exterior door handles, puddle lamps and running boards in vehicles, eliminating the need for incandescent lamps or light-emitting diodes in these high-moisture, -shock and -vibration areas....
Photonics Spectra, July 2000
A Model of Efficiency
Product advances based on classical illumination technology have primarily correlated with advances in lamp technologies: higher brightness, shorter arc and/ or higher pressure. But rethinking the design of an illumination system can advance the...
Photonics Spectra, June 2000
Display Measurement: Measure What You See
Significant advances in display technology have been made in recent years, creating new market opportunities and applications. Liquid crystal and thin-film transistor displays are commonly integrated into motor vehicles and aircraft cockpits. They...
Photonics Spectra, May 2000
Small Displays Loom Large
A wearable display could replace a laptop computer screen or serve as a mobile Internet browser, offering privacy, portability and hands-free operation. Although these and many other wearable display applications continue to excite the imaginations...
Photonics Spectra, March 2000
Camera Users:
Image intensifier tubes produce images in low-light situations, but the best tool for an application is not always obvious to the subjective human eye. Astronomy, surveillance and broadcast television use image intensifier tubes to assist in...
Photonics Spectra, May 1999
Thin-Film Coating Applications Heat Up
Optical coatings are one means of controlling heat in lighting applications such as film projectors and microscope illumination systems. Unfortunately, suppliers of multilayer dielectric coatings have primarily emphasized spectral performance,...
Photonics Spectra, January 1999
Consumer Goods
The Internet, personal computers and the rise of a culture that needs to quickly send words, images and data around the world are driving improvements in telecommunications. Consumer electronics markets, especially imaging, displays and data...
Photonics Spectra, August 1998
Photonics in Industry
Industrial applications of photonic systems are growing steadily as manufacturers realize the benefits of light-based technologies. Laser systems help to create products by cutting, drilling and welding materials; imaging and analysis systems work...
Photonics Spectra, August 1998
Flexible Controller Maintains Fiber Optic Polarization
For nearly 200 years scientists and engineers have worked to exploit the inherent polarization of a light wave for mankind's benefit. From cutting edge research in laser cooling and atomic-transition gravitational wave detection to much that we take...
Photonics Spectra, April 1998
Choosing Lighting for Industrial Imaging: A Refined Art
As industrial imaging has grown in popularity over the past few years, so has the awareness that lighting represents a large part of a vision system's success. The primary function of lighting in industrial imaging is to make an object's features of...
Photonics Spectra, February 1998
Plastic Makes the Grade
Plastic optics have taken a huge leap taken since the 1960s, when, a plastic magnifier epitomized the technology's high end. Today, the plastic diffractive optics landscape can only be described as dynamic.Plastic diffractive optics are finding...
Photonics Spectra, July 1997
Telecentric Lenses: Gauge the Difference
For decades, engineers developing metrology instrumentation have used telecentric lenses in their products. Contour projectors and optical comparators, for example, owe much of their measurement capability to these unique lenses.Over the past decade...
Photonics Spectra, July 1997
Machine Vision System Inspects Displays Online
Portable equipment such as mobile telephones, electronic organizers and handheld games has become widely available. Most of this equipment uses displays that have been custom made to suit each individual application.The requirements for inspecting...
Photonics Spectra, May 1997
Stereo Displays Add A New Dimension to Work
If commercially available stereoscopic displays could work without special glasses and be viewed from virtually any angle, by any number of people at once, we would probably view all three-dimensional data stereoscopically. Alas, such a technology...
Photonics Spectra, April 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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April 2024
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