Project description
Photonic components and subsystems
High-sensitivity gas sensors measure the presence of trace gases. They have a wide range of applications. Finnish SME Gasera has recently developed a MEMS-based mechanism for detecting the pressure waves created in photo-acoustic cells. This innovation can be used to realize infrared gas sensors of extreme sensitivity. Instead of the usual microphone (membrane with capacitive readout) the Gasera cell contains a "free-standing" silicon cantilever. The mechanical movement of the free end of the cantilever is 100x larger than the centre of a fixed membrane. Furthermore, the movement of the cantilever is detected interferometrically not capacitively. The resulting improvement in sensitivity by these innovations is about three orders of magnitude over the prior art. Three international patent applications are pending. Whereas other optical gas detection methods can not be miniaturized because of the long optical pathlengths needed for high sensitivity, theoretical analyses predict that the cantilever PA cell can be miniaturized. The goal is to build and demonstrate a miniaturised sensor sub-system that achieves two or three orders of magnitude better sensitivity (on sub-ppm level!) than other optical measurement methods could achieve at similar package volume. A much lower cost and wider temperature range of operation are also predicted.
Keywordsphoto-acoustic, gas detection; high sensitivity; cantilever interferometric readout
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering sensors
- natural sciences chemical sciences inorganic chemistry metalloids
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Programme(s)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP7-ICT-2007-2
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
02044 VTT ESPOO
Finland
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.