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  • Micro-Optical Sensor Use in Boundary Layer Flows with Polymers and Bubbles (.pdf)
    of the. of the scattered light (from particles) passing. optical sensors were fixed location "diverging. through the fringes near the wall is directly. fringe velocity sensors" and one sensor was a. proportional to the velocity gradient at the wall. cross-correlation time-of-flight sensor attached to. The sensor
  • Micro-Optical Sensors for Boundary Layer Flow Studies (.pdf)
    single-mode optical fiber or integrated. diode lasers for illumination. 150µm. INTRODUCTION. 50 µm. Small, portable, rugged yet accurate sensors have been. devised using specially designed micro-fabrication techniques. Sensor. developed for MEMS and MOEMS sensors. The. miniaturization of sensors has
  • Optical Metrology for Large Telescope Optics
    In recent years the demand for meter-scale optical elements has increased significantly, driven by growth in terrestrial and satellite-based astronomy, and defense and security applications. Laser interferometry is used throughout the manufacturing of large optics to ensure conformance to demanding
  • Analog Distance Measurement Photoelectric Sensors
    applications in manufacturing environments across the country. Balluff Inc., the U.S. subsidiary of Balluff GmbH & Co., Neuhausen, Germany, is a leading manufacturer of a. wide range of inductive, optical, capacitive, and magnetic sensors as well as linear position transducers and. ID systems
  • Secure optical communication system utilizing deformable MEMS mirrors
    retro-reflector are discussed. An alternative system design that allows higher bandwidth data transmission is described. 1. INTRODUCTION. Retro-reflectors have been used in optical systems for some time in applications requiring a precise return of a parallel beam of light to its source. A common
  • Infrared On-orbit RCC Inspection with the EVA IR Camera: Development of Flight Hardware from a COTS System
    , kickloads, entanglement hazards, and touch temperatures. Figure 1. Imaging the wing-leading edge of the Orbiter during an EVA. COTS ASSESSMENT. The space environment imposes unique requirements on electro-optical hardware. In particular, the. radiation, temperature, and pressure environment strain
  • Advanced Fiber Grating Technology and Products (.pdf)
    applied to the sensor head. These. strong vibrations can shorten the life of. There is now a move towards shrinking the size of the. these vibration sensors. Fiber gratings. wireless circuit in the hope that they will consume less. sensors are built into the optical fiber. They. power. There is also
  • Displacement Sensing the Baumer Electric Way
    as small as 6.5. Mostly the temperature drift. mm x 40 mm while maintain-. diagram 1. is proportional to. ing ranges up to 2 mm. the temperature. inductive. optical. ultrasonic. change. For example: Inductive sensors are perfect. measuring. 0-10 mm. 15-1000 mm. 20-2500 mm. 0.08%/K (DT). for applications

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