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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 26,
  • Issue 17,
  • pp. 3173-3180
  • (2008)

Multiplexed Moiré Long Period Grating Temperature Sensors

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Abstract

Spectrally overlapping long period gratings (LPGs) are demultiplexed for the first time using a Moiré grating structure so as to encode spectral differences between all of the gratings. Results of performing thermal tests showed that the system noise was 1.2 K and the crosstalk between two sensors was below a correlation level of 0.1 K.

© 2008 IEEE

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