SGER: Functional Optical Probes for In-Situ Monitoring of the Geo-Environmental

[06:27312] kostarelos该提案寻求资金用于开发“设计和合成”多孔选择性膜，用于光纤涂层。使用这种特殊包层材料，光纤内部辐射的光将与外界环境相互作用，并传递目标物质（氯化碳氢化合物，重金属，多环芳烃等）的存在和浓度。我们的建议的结果是我们的长期目标的第一步：引入化学光学光谱作为实时的工具，远程监测地下环境中的运输过程。此外，在这项拨款下所开发的技术，也可应用于其他几个侧重于废物控制和场地修复问题的地质环境应用。在通信中，生产光纤是为了使光纤内部的光不与外部环境相互作用。然而，对于化学传感，可以采用特殊的多孔包层材料作为相互作用区，在那里光被它遇到的介质调制。电磁场称为倏逝场。倏逝场光谱学为科学家所知已有多年；然而，缺乏对有效涂层材料生产的重点活动一直是波导化学传感器设备商业可用性的障碍。

0627312KostarelosThis proposal seeks funding to develop "design and synthesis" poro-selective membranes for application as coatings to optical fibers. Using such specialty cladding materials, the light radiating within the fiber will interact with the outside environment and transduce the presence and concentration of target species (chlorinated hydrocarbons, heavy metals, PAHs, etc.). The results of our proposal are the first steps toward our long-term objective: to introduce chemo-optical spectroscopy as a tool for real-time, remote monitoring of transport processes within the subsurface environment. In addition, several other geo- environmental applications that focus on waste containment and site remediation issues can be exploited by the technology being developed under this grant. In telecommunications, optical fibers are produced so that light inside the fiber does not interact with the external environment. However for chemical sensing, specialty porous cladding materials may be employed to serve as a zone of interaction, where light is modulated by the media it encounters. The electromagnetic field is termed as the evanescent field. Evanescent field spectroscopy has been known to scientists for many years; however, lack of focused activity on the production of effective coating materials has been an obstacle to the commercial availability of waveguide chemical sensor devices.