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Water vapor sensors based on the swelling of relief gelatin gratings

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dc.contributor.author	Calixto, Sergio
dc.contributor.author	Andrés, Miguel V.
dc.date.accessioned	2022-03-11T14:46:07Z
dc.date.available	2022-03-11T14:46:07Z
dc.date.issued	2015
dc.identifier.citation	Calixto, Sergio Andrés, Miguel V. 2015 Water vapor sensors based on the swelling of relief gelatin gratings Advances In Materials Science And Engineering 2015 584324
dc.identifier.uri	https://hdl.handle.net/10550/81924
dc.description.abstract	We report on a novel device to measure relative humidity.The sensor is based on surface diffraction gratings made of gelatin. This material swells and shrinks according to the content of water vapor in air. By sending a light beam to the grating, diffracted orders appear. Due to the gelatin swelling or shrinking, first order intensity changes according to the relative humidity. Calibration curves relating intensity versus relative humidity have been found. The fabrication process of diffraction gratings and the testing of the prototype sensing devices are described.
dc.language.iso	eng
dc.relation.ispartof	Advances In Materials Science And Engineering, 2015, vol. 2015, num. 584324
dc.subject	Materials
dc.subject	Òptica
dc.title	Water vapor sensors based on the swelling of relief gelatin gratings
dc.type	journal article	es_ES
dc.date.updated	2022-03-11T14:46:07Z
dc.identifier.doi	10.1155/2015/584324
dc.identifier.idgrec	102708
dc.rights.accessRights	open access	es_ES