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Proceedings Paper

Application of a two-dimensional direction dependent sub-um-offset sensor
Author(s): R. Güther
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Paper Abstract

The principle of a two-dimensional direction dependent offset-sensor is shown in figure 1. The radiation of an 820 nm-laser diode working in the superluminescent range is launched into fibre 1 with monomodal propagation. The light of the monomode fibre excites any combination of 5 modes of a few mode elliptical fibre via a butt end coupling. If the fibre 1 is translated in transverse direction by ξ and η then the combination of the excited modes in fibre 2 changes.

Paper Details

Date Published: 1 September 1996
PDF: 2 pages
Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778FW (1 September 1996); doi: 10.1117/12.2316261
Show Author Affiliations
R. Güther, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)


Published in SPIE Proceedings Vol. 2778:
17th Congress of the International Commission for Optics: Optics for Science and New Technology
Joon-Sung Chang; Jai-Hyung Lee; ChangHee Nam, Editor(s)

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