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  • Optical Switching - Preface
    , switching) in the optical domain. Currently, optical signals that arrive at a switching node are converted to. electrical form before switching. In the case of a multiwavelength signal, separate. electronic equipment will have to be used in order to handle each wavelength. Following the switching
  • Switch Tips: Photointerrupter switches
    thermal constraints. Switches based on photointerrupters have no contacts, no lubricant, and only one spring. The switching action takes place by depressing a button that interrupts the optical path between an infrared LED and a photodiode or phototransistor. This provides a momentary "low
  • Wired 8.09: Bright Switch
    A tiny crystal full of holes is about to smash the electronic speed limit, and in the coming photonics era, superfast optical networking is only the beginning. Deep in a Peruvian rain forest, a morpho butterfly rests in a beam of sunlight, its 3-inch wings fully spread and glowing an impossible
  • Wired 8.09: Bright Switch
    A tiny crystal full of holes is about to smash the electronic speed limit, and in the coming photonics era, superfast optical networking is only the beginning. Deep in a Peruvian rain forest, a morpho butterfly rests in a beam of sunlight, its 3-inch wings fully spread and glowing an impossible
  • Optical Level Switches (.pdf)
    An optical level switch works by emitting a beam of infrared light within a prism and measuring the amount of light received. When the measured fluid reaches the sensor the amount of emitted light received drops thus triggering the contacts. As the sensor is detecting the state between material
  • "Shhh. . . " A Flip Of A Switch May One Day Quiet Jet Engines
    Images to accompany this story are available Previous stories pertaining to Professor Samimy's research: "New Optical Technique Measures Airflow In Jet Engines, " COLUMBUS, Ohio - Jet engines may run quieter in the future, with technology developed at Ohio State University. Researchers here have
  • Wired 8.09: Bright Switch
    . Last year, Clarendon Photonics became one of the first startups to secure funding for development of a marketable product, with Sevin Rosen providing the initial capital. MIT continues to play a central role: In January, Nanovation Technologies, which specializes in optical telecommunications systems
  • Strength and Reliability of Silica Optical Fibers in Automotive Communication Networks (.pdf)
    Demand for new safety, sensor, control, information and entertainment technologies in automobiles is stretching the data rate limits of communication networks using conventional wiring and plastic-based fibers. Thus far, the switch to high-bandwidth glass optical fibers has been hindered

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