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  • Fiber-Optic Connections
    Three major components in any fiber-optic system are the transmitter, receiver, and fiber cable. Transmitters are often referred to as launchers and are typically either injection laser diodes (ILDs) or light-emitting diodes (LEDs). The total power of any launcher never completely couples
  • Sensor Sense: Fiber-optic sensors
    , or PVC. Thru-beam sensors require two individual cables. Light from the source travels along the Tx fiber-optic strand to the open end. The Rx strand conducts light back to the receiver for detection. The way by which light transfers from one fiber-optic strand to the other defines the type
  • Photonic chips take a step towards practical applications
    fourwave mixing "pumps " or amplifies a light signal using another light source as the two beams travel inside a narrow waveguide. Although four-wave mixing amplifiers have been made with optical fibers, such devices are tens of meters long. The current waveguide is a silicon channel just 300 550 nm
  • Telecentric Illumination for Vision-System Backlighting
    of backlighting can eliminate the problems of diffuse sources. Called telecentric illumination, it uses a telecentric lens and a fiber-optic light guide or an LED spotlight as a source. High-quality glass elements in the telecentric lens collimate the light rays from the source and direct them toward the camera
  • MICRO:April 98:Product Technology News
    is released onto the substrate, and a fiber-optic light source and high magnification lens allow the operator to examine the droplet. Windows 95 application software automatically calculates the contact angle. Both data and images can be stored and printed for later analysis. The Argweld MKIII monitors
  • MICRO: Product Technology News (October 2000)
    in an automated system. They can accommodate 8-in. wafers and 6-in.-diam masks. A single objective can be used with bright-field, dark-field, and differential interference contrast observation techniques. A digital fiber-optic amplifier comes in a remote control version that includes special

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