Novel intra-cavity sensing network based on mode-locked fibre laser

Yan Zhang, W. Jin, H.B. Yu, M. Zhang, Y.B. Liao, H.L. Ho, M.S. Demokan, G. Stewart, B. Culshaw, Y.H. Li

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)


The authors report a novel technique for interrogating a network of intracavity absorption sensors. The technique is based on a mode-locking principle where different sensors are addressed by their associated mode-locking frequencies. Experiments with a two-sensor network demonstrated negligible crosstalk between sensors and a sensitivity of 128 times better than that of a single-pass direct absorption sensor.
Original languageEnglish
Pages (from-to)1336-1338
Number of pages2
JournalIEEE Photonics Technology Letters
Issue number9
Publication statusPublished - Sep 2002


  • intra-cavity sensing
  • network based
  • mode-locked
  • fibre laser


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