Wide-range high-resolution optical scanner for optical wireless communication and laser radar: Laboratory experiment

Anna Polishuk, Udi Peled, Motti Nissim, Michael Golub, Shlomi Arnon

Research output: Contribution to journalConference articlepeer-review


High resolution, wide range optical beam scanning methods are sought to meet the ever-increasing demands of optical wireless communication, printers, scanners and laser radar. In this paper we present a precise steering method with high angular resolution and a wide scanning range. The proposed beam-steering device is also, lightweight and compact, which are significant advantages in many applications. The scanning is implemented by means of a pair of diffraction gratings, which can be translated relative to one another, and a tunable-wavelength laser. Thus the beam is steered by the combined effect of two independent mechanisms. The agility of wavelength tuning enhances the performance of a grating-based device, while the sensitivity to chromatic aberrations is minimized by performing the coarse steering with the diffraction grating. The system performance is demonstrated experimentally and the results are reported.

Original languageEnglish
Article number58921E
Pages (from-to)1-7
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1 Dec 2005
EventFree-Space Laser Communications V - San Diego, CA, United States
Duration: 31 Jul 20052 Aug 2005


  • Diffraction gratings
  • Optical wireless communications
  • Pointing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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