A spectroscopic technique for local temperature measurement in a micro-optofluidic system

M.K. Sharma, A.J.H. Frijns, R. Mandamparambil, D.M.J. Smeulders

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Abstract

We present a spectroscopy technique to measure temperature locally in a polydimethylsiloxane micro-optofluidic chip with integrated optical fibers and minimal optical components. The device was fabricated in one step with fiber coupler grooves followed by the manual integration of the optical fibers. The experimental setup consists of a micro-optofluidic chip with a pair of optical fibers for excitation and fluorescence collection, a laser module, and a spectrometer. The laser module is coupled to one of the optical fibers to guide the light into the microchannel. The fluorescence signal is collected by a second integrated optical fiber placed orthogonally. A spectroscopy technique is used to measure the local temperature in a microchannel (500 μm wide and 125 μm in height) using Rhodamine B as a temperature indicator. It is shown that for a flow rate between 200 and 400 μL/min, the local temperature can be determined.
LanguageEnglish
Pages5232-5235
Number of pages4
JournalIEEE Sensors Journal
Volume16
Issue number13
DOIs
StatePublished - 21 Apr 2016

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Temperature measurement
temperature measurement
Optical fibers
optical fibers
microchannels
Microchannels
temperature indicators
modules
Fluorescence
chips
Spectroscopy
fluorescence
Temperature
Lasers
Polydimethylsiloxane
rhodamine
grooves
spectroscopy
couplers
lasers

Keywords

    Cite this

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    abstract = "We present a spectroscopy technique to measure temperature locally in a polydimethylsiloxane micro-optofluidic chip with integrated optical fibers and minimal optical components. The device was fabricated in one step with fiber coupler grooves followed by the manual integration of the optical fibers. The experimental setup consists of a micro-optofluidic chip with a pair of optical fibers for excitation and fluorescence collection, a laser module, and a spectrometer. The laser module is coupled to one of the optical fibers to guide the light into the microchannel. The fluorescence signal is collected by a second integrated optical fiber placed orthogonally. A spectroscopy technique is used to measure the local temperature in a microchannel (500 μm wide and 125 μm in height) using Rhodamine B as a temperature indicator. It is shown that for a flow rate between 200 and 400 μL/min, the local temperature can be determined.",
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    A spectroscopic technique for local temperature measurement in a micro-optofluidic system. / Sharma, M.K.; Frijns, A.J.H.; Mandamparambil, R.; Smeulders, D.M.J.

    In: IEEE Sensors Journal, Vol. 16, No. 13, 21.04.2016, p. 5232-5235.

    Research output: Contribution to journalArticleAcademicpeer-review

    TY - JOUR

    T1 - A spectroscopic technique for local temperature measurement in a micro-optofluidic system

    AU - Sharma,M.K.

    AU - Frijns,A.J.H.

    AU - Mandamparambil,R.

    AU - Smeulders,D.M.J.

    PY - 2016/4/21

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    N2 - We present a spectroscopy technique to measure temperature locally in a polydimethylsiloxane micro-optofluidic chip with integrated optical fibers and minimal optical components. The device was fabricated in one step with fiber coupler grooves followed by the manual integration of the optical fibers. The experimental setup consists of a micro-optofluidic chip with a pair of optical fibers for excitation and fluorescence collection, a laser module, and a spectrometer. The laser module is coupled to one of the optical fibers to guide the light into the microchannel. The fluorescence signal is collected by a second integrated optical fiber placed orthogonally. A spectroscopy technique is used to measure the local temperature in a microchannel (500 μm wide and 125 μm in height) using Rhodamine B as a temperature indicator. It is shown that for a flow rate between 200 and 400 μL/min, the local temperature can be determined.

    AB - We present a spectroscopy technique to measure temperature locally in a polydimethylsiloxane micro-optofluidic chip with integrated optical fibers and minimal optical components. The device was fabricated in one step with fiber coupler grooves followed by the manual integration of the optical fibers. The experimental setup consists of a micro-optofluidic chip with a pair of optical fibers for excitation and fluorescence collection, a laser module, and a spectrometer. The laser module is coupled to one of the optical fibers to guide the light into the microchannel. The fluorescence signal is collected by a second integrated optical fiber placed orthogonally. A spectroscopy technique is used to measure the local temperature in a microchannel (500 μm wide and 125 μm in height) using Rhodamine B as a temperature indicator. It is shown that for a flow rate between 200 and 400 μL/min, the local temperature can be determined.

    KW - Microfluidics

    KW - Fluorescence

    KW - optical fiber sensors

    KW - sensor systems

    KW - temperature measurements

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    JO - IEEE Sensors Journal

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    SN - 1530-437X

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