Highly sensitive harsh-environment sensor based on innovative long-period gratings

Jon Lee, Corey Hahn, Sung Hyun Nam, Bo Wang, Karl Martin Reichard, Dave Ditto, Drew Glista, Qing Wang, Shizhuo Yin

Research output: Contribution to journalConference articlepeer-review


In this paper, a unique all-fiber tunable filter based on the combination of single resonant band long period grating (LPG) and harsh environment electro-optic polymer second cladding layer is presented. The single resonant band LPG is used to select the resonant wavelength and the tuning of resonant wavelength is realized by changing the refractive index of electro-optic polymer cladding layer via external electric field. Although the basic operational principle and implementation of this unique tunable filter have been previously reported by authors, this paper is focused on athermal operation design and synthesis of harsh environment electro-optic polymer, which enhances the practicability of proposed tunable filter.

Original languageEnglish (US)
Article number33
Pages (from-to)245-256
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2004
EventFiber Optic Sensor Technology and Applications III - Philadelphia, PA, United States
Duration: Oct 26 2004Oct 28 2004

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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