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High Sensitive Gas ...
High Sensitive Gas Sensor Application Based on a Small Defect in Silicon Waveguide
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- Song, Jun (författare)
- KTH,Elektroteknisk teori och konstruktion
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- Zhu, Ning (författare)
- KTH,Mikroelektronik och tillämpad fysik, MAP
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(creator_code:org_t)
- 2009
- 2009
- Engelska.
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Ingår i: IEEE Photonics Technology Letters. - 1041-1135 .- 1941-0174. ; 21:1-4, s. 82-84
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A small defect in silicon nanowire waveguides is applied for gas sensors. Small defects with some special shapes and indexes can produce strong resonances with the incident light and induce large loss. Since the silicon waveguide has air cladding, the position of resonant peaks will be sensitive for the variation of the ambient air composition. The sensor based on the principle has a high sensitivity. As an example, we monitored the change of the position of the resonance peak as a function of alcohol concentrations in air. Results showed that a similar to 5-mg/L ethanol vapor in the air can result in a similar to 20-nm wavelength shift of the resonance.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Gas sensor
- integrated optics
- planar waveguides
- waveguide deposition
- Electrical engineering, electronics and photonics
- Elektroteknik, elektronik och fotonik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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