Application of a two-dimensional direction dependent sub-um-offset sensor

R. Güther

doi:10.1117/12.2316261

1 September 1996 Application of a two-dimensional direction dependent sub-μm-offset sensor

R. Güther

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778FW (1996) https://doi.org/10.1117/12.2316261
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

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.

Citation Download Citation

R. Güther "Application of a two-dimensional direction dependent sub-μm-offset sensor", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778FW (1 September 1996); https://doi.org/10.1117/12.2316261

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