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Anti-PMD system

  • US 7,209,604 B2
  • Filed: 06/16/2004
  • Issued: 04/24/2007
  • Est. Priority Date: 06/24/2003
  • Status: Active Grant
First Claim
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1. An anti-PMD system comprising:

  • an anti-PMD pulley (1) over which an optical fiber (4) is to roll and which is mounted to rotate about an axis of rotation (ar); and

    at least two optical fiber guide devices (2, 3) situated on either side of the anti-PMD pulley (1);

    the system being characterized in that the axis of rotation (ar) of the anti-PMD pulley (1) is stationary;

    in that the only degree of freedom of the anti-PMD pulley (1) is rotation about the axis of rotation (ar) of the anti-PMD pulley (1); and

    in that at least one of the guide devices (2, 3) is movable in translation in a translation direction (dt) that is not orthogonal to the axis of rotation (ar) of the anti-PMD pulley (1).

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