Combined pressure and flow sensor integrated in a split-ring resonator microplasma source [Elektronisk resurs]
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Snögren, Pär (författare)
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Berglund, Martin (författare)
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Persson, Anders (författare)
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Uppsala universitet Teknisk-naturvetenskapliga vetenskapsområdet (utgivare)
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ÅSTC (medarbetare)
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ÅSTC (medarbetare)
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ÅSTC (medarbetare)
- American Institute of Physics (AIP) 2016
- Engelska.
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Ingår i: Applied Physics Letters. - 0003-6951. ; 109:17
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Sammanfattning
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- Monitoring and control of the principal properties of a discharge or plasma is vital in many applications, and sensors for measuring them must be integrated close to the plasma source in order to deliver reliable results. This is particularly important, and challenging, in miniaturized systems, where different compatibility issues sets the closest level of integration. In this paper, a sensor for simultaneous measurement of the pressure and flow through a stripline split-ring resonator microplasma source is presented. The sensor utilize fully integrated electrodes positioned upstream and downstream of the microplasma source to study these parameters, and was found to deliver uniform and unambiguous results in a pressure and flow range of 1-6 Torr and 1-15 sccm, respectively. Furthermore, hysteresis and drift in the measurements was found to be mitigated by introducing a resistor in parallel with the plasma, in order to facilitate discharging of the electrodes. Combined, the results show that the sensor is fully compatible with miniaturized microfluidic systems in general, and a system for optogalvanic spectroscopy in particular.
Ämnesord
- Engineering and Technology (hsv)
- Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Teknik och teknologier (hsv)
- Elektroteknik och elektronik (hsv)
- Annan elektroteknik och elektronik (hsv)
- Natural Sciences (hsv)
- Physical Sciences (hsv)
- Fusion, Plasma and Space Physics (hsv)
- Naturvetenskap (hsv)
- Fysik (hsv)
- Fusion, plasma och rymdfysik (hsv)
- Teknisk fysik med inriktning mot mikrosystemteknik (uu)
- Engineering Science with specialization in Microsystems Technology (uu)
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