Novel intracavity sensing network based on mode-locked fiber laser

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

Research output: Journal article publicationJournal articleAcademic researchpeer-review

39 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 pages3
JournalIEEE Photonics Technology Letters
Issue number9
Publication statusPublished - 1 Sept 2002


  • Gas sensor
  • Intracavity spectroscopy
  • Mode lock
  • Multipoint measurement

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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