A strain-fiber actuator by use of shape memory alloy spring

Chi Feng Chen, Rui Ting Zheng, Tsu Te Kung, Chang Neng Shauo, Hsiou Jeng Shy

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A strain-fiber actuator by use of shape memory alloy spring is proposed and experimentally investigated. The shape memory alloy actuator with a diameter of 0.3 mm and length of 2 mm was driven by a DC power supply of 7 V to persist for 5 s. The deformation and the strain ratio were found to be 60 μm and 3%, respectively. To apply the actuator to strain a fiber Bragg grating, we obtained a tunable spectrum width of 50 nm around the wavelength of 1550 nm for optical communication.

Original languageEnglish
Pages (from-to)818-823
Number of pages6
JournalOptik
Volume120
Issue number16
DOIs
StatePublished - Nov 2009

Keywords

  • FBG
  • Fiber Bragg grating
  • Shape memory alloy
  • Shape memory alloy actuator
  • Strain-tunable FBG

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