Fast response in-line gas sensor using C-type fiber and Ge-doped ring defect photonic crystal fiber

Sahar Hosseinzadeh Kassani, Jiyoung Park, Yongmin Jung, Jens Kobelke, Kyunghwan Oh

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

An in-line chemical gas sensor was proposed and experimentally demonstrated using a new C-type fiber and a Ge-doped ring defect photonic crystal fiber (PCF). The C-type fiber segment served as a compact gas inlet/outlet directly spliced to PCF, which overcame previous limitations in packaging and dynamic responses. C-type fiber was prepared by optimizing drawing process for a silica tube with an open slot. Splicing conditions for SMF/C-type fiber and PCF/C-type fiber were experimentally established to provide an all-fiber sensor unit. To enhance the sensitivity and light coupling efficiency we used a special PCF with Ge-doped ring defect to further enhance the sensitivity and gas flow rate. Sensing capability of the proposed sensor was investigated experimentally by detecting acetylene absorption lines.

Original languageEnglish
Pages (from-to)14074-14083
Number of pages10
JournalOptics Express
Volume21
Issue number12
DOIs
Publication statusPublished - 2013 Jun

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photonics
fibers
rings
sensors
defects
gases
crystals
splicing
sensitivity
outlets
dynamic response
packaging
slots
acetylene
gas flow
flow velocity
tubes
silicon dioxide

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Kassani, Sahar Hosseinzadeh ; Park, Jiyoung ; Jung, Yongmin ; Kobelke, Jens ; Oh, Kyunghwan. / Fast response in-line gas sensor using C-type fiber and Ge-doped ring defect photonic crystal fiber. In: Optics Express. 2013 ; Vol. 21, No. 12. pp. 14074-14083.
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Fast response in-line gas sensor using C-type fiber and Ge-doped ring defect photonic crystal fiber. / Kassani, Sahar Hosseinzadeh; Park, Jiyoung; Jung, Yongmin; Kobelke, Jens; Oh, Kyunghwan.

In: Optics Express, Vol. 21, No. 12, 06.2013, p. 14074-14083.

Research output: Contribution to journalArticle

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