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  • Using Laser Beam Expanders
    Laser Beam expanders are designed to decrease the laser's beam spot size at large distances. There are two main types of beam expanders: Keplerian and Galilean. In its simplest form, the Galilean type consists of a positive and a negative focal length lens whereas the Keplerian type consists of two
  • Time-Resolved Atmospheric Plasma Investigation by Molecular Beam Mass Spectrometry
    processing and biomedical. beam mass spectrometry reveals the evolution of. cm long quartz tube of 1 mm (ID) and 3 mm (OD) on. treatment are of main interest recently in nonthermal. the main species, positive and negatives, during the. which two copper ring electrodes of 8 mm length were. Electrical
  • The Self-Contained Thru-Beam Sensor - White Paper
    This white paper describes the main features and how to use self contained thru-beam sensors. These sensors are fast becoming the "go-to" sensors for a variety of error proofing sensing tasks. Information includes: types of self contained thru-beam sensors, main attributes, and how to use them
  • Electron Radiation as an Indicator of Gold Nodule Defect during E-beam Evaporation
    in. problem, there has not been a lot of published work on this. each pass. This drawing process reduces the diameter of the. subject. Studies had shown that carbon in the gold pool was. Au wire as well as creates tiny scale-like folds and cavities. the main contributor [1] but the spitting mechanism
  • Low Coherence Vibration Insensitive Fizeau Interferometer
    surface must be produced with a high optical. precision. The main drawback with this arrangement is that the overlapping test and. reference beams make it difficult to implement a polarization Fizeau interferometer. One solution to this problem has been implemented by 4D Technologies and is called
  • Coherent Anti-Stokes Raman Scattering Microspectrometer
    . The main. difference is that CARS is a four-wave mixing process that. generates a coherent collimated directional beam with. several orders of magnitude higher intensity, where the. wavelength is blue-shifted with respect to the pump and. Stokes beams. Also in a noncollinear geometry under proper. p
  • Case Study: Adding a Jib or Gantry to a bay Already Served by a Bridge Crane-101
    . The Solution. It’s not possible to add another smaller bridge crane to the main runway system,. as the big cranes must have full run of the bay with no interference from a crane hovering. over one saw. Instead, Dearborn Crane suggested a semi-gantry crane. A semi-gantry. crane is a hybrid between a bridge
  • Guidelines for Specifying Underwater Electroacoustic Transducers
    the received. more. This is particularly true for new users. ambient noise, directional beams which provide. a main lobe may be required. This is achieved. Transducers are usually used as an integral part. by using a particular shape and/or an array of. of acoustic systems and typically described

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