publication . Conference object . 2008

Trans-window free space optics transmission system

Takeshi Tsujimura; Masahiko Mikawa; Koichi Yoshida; T. Kurashima;
  • Published: 22 Oct 2008
  • Publisher: IEEE
This paper studies an application of a bidirectional transmission system in which a single-mode optical fibre line and a free-space optics line are directly connected without any photoelectric devices. An optical wireless transmission is realized between both sides of a windowpane passing a laser beam through the pane. An automatic optical-axis alignment system has newly developed to align the laser beam by screw-driven adjustment mechanism. Up to 4 Gbit/s transmission has successfully been achieved with high quality at 1310 and 1550 nm wavelengths.
free text keywords: Transmission system, Optical fiber, law.invention, law, Optical axis, Optics, business.industry, business, Free-space optical communication, Optical wireless, Optoelectronics, Materials science, Photoelectric effect, Wavelength, Gigabit
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