Ultrafast laser fabrication of novel fiber Mach-Zehnder interferometer sensors and its cost-effective alternative manufacturing methods

Sumei Wang, Lan Jiang, Benye Li, Longjiang Zhao, Jinpeng Yang, Mengmeng Wang, Hai Xiao, Yongfeng Lu, Hai Lung Tsai

Research output: Contribution to journalReview article

Abstract

The recent progresses of fiber sensor fabrication in our group are reviewed. Novel inline fiber Mach-Zehnder interferometer (MZI) sensors with various structures are proposed and manufactured by femtosecond laser fabrication and fusion splicing for high-quality sensing of refractivity-sensitive parameters such as temperature, concentration, humidity, pressure, stress and strain: a) for an MZI sensor with a trench on a single-mode fiber, the refractive index (RI) sensitivity of acetone vapor is about 104 nm/RIU (refractive index unit) and the temperature sensitivity is 51.5 pm/°C from 200 to 875°C; b) For an MZI consisting of two micro-air-cavities, the sensitivity is 501.5 nm/RIU and the detection limit is 1.994×10-6 RIU at the refractive index of 1.4; c) to reduce the fabrication cost, a new fusion-splicing based method is proposed to fabricate MZI sensors; the sensitivity is 664.57 nm/RIU with a detection limit of 1.5×10-6 RIU and its cost is tens of times cheaper than those of commercialized long period fiber Gratings; Also, 5×10-5 acetone vapors are successfully detected by the MZI sensors coated with zeolite thin films.

Original languageEnglish (US)
Article number0601002
JournalZhongguo Jiguang/Chinese Journal of Lasers
Volume38
Issue number6
DOIs
StatePublished - Jun 1 2011

Fingerprint

Ultrafast lasers
Mach-Zehnder interferometers
manufacturing
Refractive index
costs
Fabrication
fabrication
fibers
Fibers
sensors
refractivity
Sensors
splicing
lasers
Costs
Acetone
acetone
sensitivity
Fusion reactions
fusion

Keywords

  • Femtosecond laser micromachining
  • Fusion splicing
  • Novel fiber Mach-Zehnder interferometer
  • Sensors

ASJC Scopus subject areas

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

Cite this

Ultrafast laser fabrication of novel fiber Mach-Zehnder interferometer sensors and its cost-effective alternative manufacturing methods. / Wang, Sumei; Jiang, Lan; Li, Benye; Zhao, Longjiang; Yang, Jinpeng; Wang, Mengmeng; Xiao, Hai; Lu, Yongfeng; Tsai, Hai Lung.

In: Zhongguo Jiguang/Chinese Journal of Lasers, Vol. 38, No. 6, 0601002, 01.06.2011.

Research output: Contribution to journalReview article

Wang, Sumei ; Jiang, Lan ; Li, Benye ; Zhao, Longjiang ; Yang, Jinpeng ; Wang, Mengmeng ; Xiao, Hai ; Lu, Yongfeng ; Tsai, Hai Lung. / Ultrafast laser fabrication of novel fiber Mach-Zehnder interferometer sensors and its cost-effective alternative manufacturing methods. In: Zhongguo Jiguang/Chinese Journal of Lasers. 2011 ; Vol. 38, No. 6.
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