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Superresolution Microscopy: An Imaging Revolution Jan 18, 2017 — Superresolution optical microscopy has been one of the most momentous developments in the life sciences over the last decade — and its evolution is ongoing. Progress has been so rapid and significant that it has been dubbed by some observers as “the resolution revolution.” The demands from biomedical applications are very wide — ranging from the need for high spatial and temporal resolution, long acquisition time, 3D imaging, deep tissue/in vivo imaging and so on.
Polarization-Based Imaging: Basics and Benefits May 31, 2016 — There are three fundamental properties of light: intensity, wavelength, and polarization. Almost all cameras today are designed for monochrome or color imaging. A monochrome camera is used to measure the intensity of light over a broadband spectrum...
Machine Vision Cameras: Making the Right Selection Mar 9, 2016 — Technological advances have resulted in new, higher-quality sensors that enable machine vision cameras to deliver greater features and functionality at a lower cost than ever before. These factors are motivating businesses in a widening range of...
Fluorescence Lifetime Imaging: Choosing the Best Approach Feb 16, 2016 — The term fluorescence is often applied as a synonym for photoluminescence, although luminescence actually covers fluorescence and phosphorescence. Both of these terms describe the process of absorption of light at a higher energy and subsequent...
Aspheric Lenses: Design Considerations Apr 27, 2015 — This first of two articles will cover design and manufacturing options for aspheres; the second will include more detail on manufacturing and testing processes. These articles will provide the tools optics designers need to tailor their designs to...
Image Quality Testing: Camera Advances Push Improvements Feb 4, 2015 — An overview of state-of-the-art technology for image quality testing of mass-produced camera modules for consumer devices, including recent developments and new challenges. Image quality testing of complete cameras and assembled camera modules is...
Camera Resolution: Combining Detector and Optics Performance Mar 8, 2009 — Most image-quality discussions center on resolution, which is thought to uniquely determine system performance. Resolution, however, is a more complex concept. Camera resolution depends upon the optical blur diameter and the detector size. Schade...
Digital Still Cameras: The Changing Face of Imaging Mar 8, 2009 — The digital camera reflects a sea change in the compact camera market. While the 20th was the century of film cameras, the 21st belongs to the digital camera. The digital camera re...
High-Speed Video: Selecting a Slow-Motion Imaging System Mar 8, 2009 — The demand for high-speed imaging has increased for a broad range of applications, from automotive crash testing to animal behavior to product component performance. There is a growing market for imaging systems that provides an immediate,...
Hyperspectral Imaging Spectroscopy: A Look at Real-Life Applications Mar 8, 2009 — Spectral imaging has grown from an expensive research-oriented technique to one that is applicable for a wide range of scientific and industrial applications. This article looks at real-life systems, the arrangement of the instrumentation and...
Image Intensification: The Technology of Night Vision Mar 8, 2009 — Through succeeding generations, image intensifying devices have brought vision to the dark of night. Image intensification, the basis of night vision, is a complex conversion of ene...
Image Processing: Turning Digital Data into Useful Information Mar 8, 2009 — Digital imaging provides the means to enhance features of interest while attenuating details that are irrelevant to a given application, and then extracts useful information about the scene from the enhanced image. Images are produced by many means:...
Infrared Spectral Selection: It Begins with the Detector Mar 8, 2009 — An IR imaging system employing a narrow spectral band brings hidden images to light, broadening IR imaging’s applications. Spectral selection is a powerful tool that enhances conventional imaging tremendously. Most imaging systems, including the...
Radiation Tolerances: Effects on CID Imaging Devices Mar 8, 2009 — The charge-injection device (CID) is a broadband (200 to 1100 nm) charge-transfer device (CTD) image sensor with capabilities well beyond the limitations of typical commercially...
Ultraviolet Reflectance Imaging: Applications Mar 8, 2009 — Ultraviolet imaging has long been thought to be difficult and awkward by many photographers because of the difficulties encountered when using photographic film in the near-UV...
Digital Cameras: Smaller Pixels for Higher Resolution Apr 13, 2006 — Reducing pixel size can increase a digital camera's performance. However, there are tradeoffs that need to be considered when going that route. In the search for ever-higher pixel counts for the digital still camera, it is clear that, if chip size...
SWIR Imaging: An Industrial Processing Tool Apr 13, 2006 — Short-wave infrared (SWIR) imaging with InGaAs-based cameras is well suited to nondestructive identification of materials, their composition, coatings and other characteristics.
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