page_title: Microscanner
section_title: Fields of Application
hierarchical_section_title: Microscanner / Fields of Application
caption_attribution_description: Deutsch: Beispiel für einen 2D-Mikroscanner vom Fraunhofer IPMS. Zu sehenen ist ein elektrostatischer 2D-Mikroscanner mit einer quasistatisch betriebenen Antriebsachse von bis zu ±8° statischer Auslenkung @ 120 V und einer resonant angetriebenen Achse mit einer nominalen Amplitude von ±9,5° @ 23,5 kHz &amp; 160 V in einem DIL20-Gehäuse
context_page_description: A microscanner, or micro scanning mirror, is a microoptoelectromechanical system in the category of micromirror actuators for dynamic light modulation. Depending upon the type of microscanner the modulatory movement of a single mirror can be either translatory or rotational, on one or two axes. In the first case, a phase shifting effect takes place. In the second case, the incident light wave is deflected.
  Therefore, they have to be differentiated from spatial light modulators, other micromirror actuators which need a matrix of individually addressable mirrors for their mode of operation. If a single array mirror already fulfils the desired modulation but is operated in parallel with other array mirrors in order to increase the light yield, then the term microscanner array is used.
context_section_description: Applications for tilting microscanners are numerous and include:
  Projection displays
  Image recording, e.g. for technical and medical endoscopes
  Bar code scanning
  Spectroscopy
  Laser marking and material processing
  Object measurement / triangulation
  3D cameras
  Object recognition
  1D and 2D light grid
  Confocal microscopy / OCT
  Fluorescence microscopy
  Laser wavelength modulation
  Some of the applications for piston type microscanners are:
  Fourier transform infrared spectrometer
  Confocal microscopy
  Focus variation
caption: An electrostatic 2D microscanner in a DIL20 casing
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