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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 9,
  • Issue 8,
  • pp. 081301-081301
  • (2011)

Novel photonic approach to microwave frequency measurement using tunable group delay line

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Abstract

A photonic approach for measuring microwave frequency over a wide bandwidth is proposed. An optic group delay line composed of several magneto-optical switches and a 1.6-km single-mode fiber is used as a tunable dispersive medium in the measurement setup. A minimum frequency accuracy of 80 MHz in the range of 1-20 GHz is achieved experimentally.

© 2011 Chinese Optics Letters

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