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May 12, 1994Electronics Letters

Novel writing technique of long and highly reflectivein-fibre gratings

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Authors

JMJean MartinBT ResearchFOFrançois OuelletteUniversity of Electronic Science and Technology of China

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Implication

Experimental study demonstrates writing high-reflectivity in-fibre Bragg gratings via beam translation across a fixed phase mask, indicating improved optical sensor and filter fabrication.

Key Points

  • To develop and evaluate a method for writing long, highly reflective in-fibre Bragg gratings without altering the interference pattern phase during beam translation.
  • Translated an ultraviolet (UV) beam along an optical fibre positioned through a phase mask.
  • Fixed the phase mask and optical fibre together during translation to preserve the spatial phase of the resulting interference pattern.
  • Fabricated in-fibre Bragg gratings reaching lengths of up to 1.5 cm, constrained only by phase mask dimensions.
  • Achieved high optical reflectivity of up to 98.5% within the fabricated gratings.

Cite This Study

Martin et al. (1994) studied this question.

synapsesocial.com/papers/6a8af70877493d51bfdeca03https://doi.org/10.1049/el:19940556
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