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  • Lens Distortion Correction and Registration of Visible and Thermal Infrared Imagery
    It is a good idea to take both visible and thermal IR images. Geometric resolution is unbalanced, and each image is sensitive to a different range of the electromagnetic spectrum. To acquire a visible image of a target with a thermal camera, you need to determine or describe the appearance
  • Safer inspection of high-energy control panels
    . Above, a fuse clips heat up. And bottom, a motor lead shows signs of warming. AN IR camera can be swiveled to record the entire inside of an electrical cabinet through the fisheye lens of a SpyGlass viewport. It can be a frustrating question if you're a plant manager worried about electrical hardware
  • Infrared Viewer Frequently Asked Questions
    Power Technology, Inc.'s infrared viewers work by focusing the infrared light reflected by or emitted from a chosen subject onto the image tube. An electron image is generated in accordance with the incident intensity and the S-1 spectral sensitivity of the photocathode material. The IR viewer
  • Cut the Lights
    John Null, is in microcomputer programming and in the Fresnel lens beaming room light to the infrared sensor. The Fresnel lens is a special design that has both vertical and horizontal elements. Room light passes through it onto a two-element IR detector. "We've refined the detection technique
  • Frequently Asked Questions on Optics: Part 1
    Each glass type has its own set of specific characteristics. We have selected the best glass types available to produce optimal results for each individual lens design. This is the most significant in the design of achromat lenses since they use two different glasses together to help reduce optical
  • Unified Optical Scanning Technology - Preface
    be conducted with many "shades " of "light, " ranging spectrally from UV through the visible to IR and exhibiting incoherent to coherent order. Although the transfer of optical information that is outside that range of electromagnetic radiation is perfectly valid, as notably by CT (X-ray) scans
  • Sensor Sense: Passive Infrared-Motion Sensors
    Passive infrared (PIR) sensors detect infrared energy radiating from objects within their field of vision. Unlike infrared optical sensors that use an LED transmitter and IR receiver, the PIR emits nothing. As its "passive " name suggests, it responds only to infrared energy radiated by the object

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