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8 articles
Photonics Handbook
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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...
Understanding Surface Quality: A Practical Guide
John C. Smith, Rocky Mountain Instrument Co. (RMI)
Surface quality has become one of the most poorly understood specifications in the optics industry. A significant portion of the confusion stems from the two major competing (and largely...
Lasers for Microscopy: Major Trends
Marco Arrigoni, Nigel Gallaher, Darryl McCoy, Volker Pfeufer, Matthias Schulze, and Daniel Callen, Coherent Inc.
Laser development for the microscopy market continues to be driven by key trends in applications, which currently include superresolution techniques, multiphoton applications in optogenetics and...
Detectors: Guideposts on the Road to Selection
Earl Hergert, Hamamatsu Corporation
Any number of medical, industrial, and analytical applications requires the detection of light. Chemiluminescence, bioluminescence, fluorescence, and atomic absorption are just a few, and all require...
Detectors: CCDs for Life-Science Applications
Butch Moomaw, Hamamatsu Corporation, Systems Div.
Since their invention in the late 1960s, charge-coupled devices, also called CCDs, have found widespread use in imaging applications. Electronic cameras based on CCD technology are used in...
Detector Arrays: Taming the Irregular Shape Problem
Gerald C. Holst, JCD Publishing
If we were to estimate the output of a CCD or thermal camera, we would typically draw an image over the detectors, aligning the image with the detector axes. We show it this way because it’s...
Radiometry: A Simplified Description of Light Measurement
Angelo V. Arecchi, Labsphere, Inc.
Radiometry involves several activities. The two most common are the description and measurement of optical radiation, and, starting with the knowledge of some aspects of optical radiation at one...
Laser Diodes: Specification Guidelines
Intense Ltd.
While some design engineers know exactly what they need from their laser diode, others may choose a partner to navigate what can be a complex development process. Laser diode manufacturers know which...
Photonics Handbook
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