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Conferences > OFC > 2008 > JThA > JThA20
  • Optical Fiber Communication Conference/National Fiber Optic Engineers Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper JThA20

Evanescent Field Absorption Sensor in Aqueous Solutions using a Defected-core Photonic Crystal Fiber

X. Yu, Y. Sun, and P. Shum

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Abstract

A new absorption sensor is developed using a defected-core photonic crystal fiber with enhanced evanescent field. Excellent linearity is obtained between absorbance and concentration and length. The sensitivity is increased by more than sixty times compared with perpendicular direction measurement.

© 2008 Optical Society of America

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