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Optical test device and systems

  • US 10,084,539 B2
  • Filed: 06/06/2017
  • Issued: 09/25/2018
  • Est. Priority Date: 11/18/2011
  • Status: Active Grant
First Claim
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1. An optical test device comprising:

  • at least one optical filter coupled with a first optical fiber, the at least one first optical filter configured to allow an optical signal on the first optical fiber to pass from the first optical fiber to a second optical fiber;

    at least one monitoring device coupled with the at least one optical filter, the at least one monitoring device configured to receive a portion of the optical signal to test the optical signal by measuring power of the portion of the optical signal and determining whether the power is above a first threshold and below a second threshold;

    a first switch in communication with the first optical fiber, the first switch configured to switch the optical signal on the first optical fiber to a third optical fiber for loop-back testing; and

    wherein the monitoring device is further configured to detect a signal and toggle the first switch to switch the optical signal on the first optical fiber to the third optical fiber when the signal is detected.

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