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11 articles

Photonics Handbook

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What Is Photonics?What Is Photonics?
Photonics Media Editors
Photonics is the study of light and other types of radiant energy whose quantum unit is the photon. The impact of photonics on research, technology, navigation, culture, astronomy, forensics, and...
Interferometry: Measuring with LightInterferometry: Measuring with Light
Zygo Corporation
An interferometer is an instrument that compares the position or surface structure of two objects. The basic two-beam division of amplitude interferometer components consists of a light source, a...
Hyperspectral Imaging Spectroscopy: A Look at Real-Life ApplicationsHyperspectral Imaging Spectroscopy: A Look at Real-Life Applications
Dr. John R. Gilchrist, Clyde HSI; Timo Hyvärinen, Spectral Imaging Ltd.
Hyperspectral imaging spectroscopy has developed dramatically from a large, complex, remote-sensing satellite- or aircraft-based system into a rugged, compact, economically priced imaging and...
Detectors: The Charge Injection AlternativeDetectors: The Charge Injection Alternative
Tony Chapman, Thermo Fisher Scientific Inc., CIDTEC Cameras & Imagers
Charged-injection device imagers are metal-oxide semiconductor (MOS) detectors that can be fabricated using PMOS, NMOS and CMOS integrated circuit technology, and may be configured as a...
Photonics Packaging: Optical Communication ComponentsPhotonics Packaging: Optical Communication Components
Torsten Wipiejewski, VNT Management Oy, German Office
Photonic components are key elements for the information technology (IT). Photonics technology covers the generation of information (cameras, sensors), its transportation (optical communication),...
Optical Coatings: Improving Traditional TechnologyOptical Coatings: Improving Traditional Technology
Arthur T. Howe, CHROMATEL; Mervyn Davis, Nordiko Technical Services Ltd.; and David Pearson, Pearsonics Ltd.
The common polycrystalline materials used for optical thin-film materials do not satisfy the requirements of telecommunications because of the instabilities caused by moisture absorption in their...
Image Processing: Turning Digital Data into Useful InformationImage Processing: Turning Digital Data into Useful Information
William Silver, Cognex Corp.
Images are produced by many means: cameras, x-ray machines, electron microscopes, radar and ultrasound. They are used in the entertainment, medical, scientific and business industries; for security...
Nano-Optics Technology: Optical AlchemyNano-Optics Technology: Optical Alchemy
Hubert Kostal, NanoOpto Corp.
Optics today needs alchemy, and the forces that motivate microchip technology are a key reason why. Today, light can transmit and process digital information as well as electricity can — in...
Polarization in Fiber Systems: Squeezing out More BandwidthPolarization in Fiber Systems: Squeezing out More Bandwidth
Steve Yao, General Photonics Corp.
As bit rates increase to meet expanding demand, systems have become increasingly sensitive to polarization-related impairments. These include polarization mode dispersion (PMD) in optical fibers,...
SWIR Imaging: An Industrial Processing ToolSWIR Imaging: An Industrial Processing Tool
Sensors Unlimited Inc., A Collins Aerospace company
Imaging has long been used in industrial processes to measure, monitor, control, or otherwise manage the production of goods. The challenge to the process designer is to develop a tool that captures...
Spectrum Analysis for DWDM: New Instruments Meet the ChallengeSpectrum Analysis for DWDM: New Instruments Meet the Challenge
Francis Audet, EXFO
As system and cable installers try to optimize their links, the preferred method has become high-speed DWDM. This demand for bandwidth has led to the development of new test and measurement...
Photonics Handbook

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