2D full-field measurement of oxygen concentration based on the phase fluorometry technique that uses the four-frame integrating-bucket method

Chen Shane Chu, Yu-Lung Lo

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A modulation system for the phase-resolved two-dimensional fluorescence phase imaging of a planar optical oxygen sensor is presented. The proposed system is based on the phase fluorometry technique and uses the four-frame integrating-bucket method. Integrating buckets with multiple frames are achieved using a complex programmable logic device to provide an external trigger to the charge coupled device (CCD). The oxygen-sensitive film is based on microporous film prepared using a sol-gel process with a Pt(II) complex, platinum tetrakis pentafluorophenyl porphine (PtTFPP); the film can be efficiently excited by a laser diode with a central wavelength of 405 nm. The experiment results show that the maximum phase difference between 0% and 100% gaseous oxygen is 22°. The 2D full-filed O2 distribution imaging was found to be the most sensitive between 0% and 20% O2. The combination of optical sensor technology and phase-resolved imaging allows the determination of the distribution of chemical or physical parameters in heterogeneous systems, making the proposed system a powerful testing tool for screening and mapping applications.

Original languageEnglish
Pages (from-to)310-315
Number of pages6
JournalSensors and Actuators, B: Chemical
Volume147
Issue number1
DOIs
Publication statusPublished - 2010 May 18

Fingerprint

buckets
Optical sensors
Oxygen
Imaging techniques
oxygen
programmable logic devices
Oxygen sensors
Logic devices
optical measuring instruments
sol-gel processes
Platinum
Charge coupled devices
Sol-gel process
Semiconductor lasers
charge coupled devices
Screening
platinum
screening
actuators
Fluorescence

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

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abstract = "A modulation system for the phase-resolved two-dimensional fluorescence phase imaging of a planar optical oxygen sensor is presented. The proposed system is based on the phase fluorometry technique and uses the four-frame integrating-bucket method. Integrating buckets with multiple frames are achieved using a complex programmable logic device to provide an external trigger to the charge coupled device (CCD). The oxygen-sensitive film is based on microporous film prepared using a sol-gel process with a Pt(II) complex, platinum tetrakis pentafluorophenyl porphine (PtTFPP); the film can be efficiently excited by a laser diode with a central wavelength of 405 nm. The experiment results show that the maximum phase difference between 0{\%} and 100{\%} gaseous oxygen is 22°. The 2D full-filed O2 distribution imaging was found to be the most sensitive between 0{\%} and 20{\%} O2. The combination of optical sensor technology and phase-resolved imaging allows the determination of the distribution of chemical or physical parameters in heterogeneous systems, making the proposed system a powerful testing tool for screening and mapping applications.",
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AU - Lo, Yu-Lung

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N2 - A modulation system for the phase-resolved two-dimensional fluorescence phase imaging of a planar optical oxygen sensor is presented. The proposed system is based on the phase fluorometry technique and uses the four-frame integrating-bucket method. Integrating buckets with multiple frames are achieved using a complex programmable logic device to provide an external trigger to the charge coupled device (CCD). The oxygen-sensitive film is based on microporous film prepared using a sol-gel process with a Pt(II) complex, platinum tetrakis pentafluorophenyl porphine (PtTFPP); the film can be efficiently excited by a laser diode with a central wavelength of 405 nm. The experiment results show that the maximum phase difference between 0% and 100% gaseous oxygen is 22°. The 2D full-filed O2 distribution imaging was found to be the most sensitive between 0% and 20% O2. The combination of optical sensor technology and phase-resolved imaging allows the determination of the distribution of chemical or physical parameters in heterogeneous systems, making the proposed system a powerful testing tool for screening and mapping applications.

AB - A modulation system for the phase-resolved two-dimensional fluorescence phase imaging of a planar optical oxygen sensor is presented. The proposed system is based on the phase fluorometry technique and uses the four-frame integrating-bucket method. Integrating buckets with multiple frames are achieved using a complex programmable logic device to provide an external trigger to the charge coupled device (CCD). The oxygen-sensitive film is based on microporous film prepared using a sol-gel process with a Pt(II) complex, platinum tetrakis pentafluorophenyl porphine (PtTFPP); the film can be efficiently excited by a laser diode with a central wavelength of 405 nm. The experiment results show that the maximum phase difference between 0% and 100% gaseous oxygen is 22°. The 2D full-filed O2 distribution imaging was found to be the most sensitive between 0% and 20% O2. The combination of optical sensor technology and phase-resolved imaging allows the determination of the distribution of chemical or physical parameters in heterogeneous systems, making the proposed system a powerful testing tool for screening and mapping applications.

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