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公开(公告)号:US5744794A
公开(公告)日:1998-04-28
申请号:US495566
申请日:1995-12-13
申请人: Walter Craig Michie , Neil Bette Graham , Brian Culshaw , Peter Thomas Gardiner , Christopher Raymond Moran
发明人: Walter Craig Michie , Neil Bette Graham , Brian Culshaw , Peter Thomas Gardiner , Christopher Raymond Moran
CPC分类号: G01M3/047
摘要: A system for detecting the presence of a target measurand, such as water or specified chemicals which are carried in an aqueous solution, and which includes a fibre-optic probe assembly which incorporates an optical fibre, a thin film of a water swellable hydrogel, and a rigid containment structure. The hydrogel is in contact with the optical fibre such that a volumetric change in the hydrogel causes a microbend of the optical fiber. The microbend is detected by a sensor assembly which is coupled to the probe assembly.
摘要翻译: PCT No.PCT / GB94 / 00292 Sec。 371 1995年12月13日第 102(e)日期1995年12月13日PCT 1994年2月14日PCT PCT。 公开号WO94 / 18536 日期1994年8月18日用于检测在水溶液中携带的目标被测量例如水或特定化学品的存在的系统,其包括包含光纤的光纤探针组件, 水溶胀水凝胶和刚性容纳结构。 水凝胶与光纤接触,使得水凝胶的体积变化导致光纤的微弯曲。 微弯由耦合到探针组件的传感器组件检测。