Infrared sensors have difficulties measuring refractive information and chemical attributes of certain compounds, and a new method from researchers at the University of Houston seeks to improve the results by adding nanoparticles to near infrared sensing. Improvements here would impact the oil and fuel industries in regards to drilling analysis.
The team has created a process by which near infrared light is reflected off nanoporous gold disks with plasmonic hotspots for localized electric field enhancement. By mixing these gold disks into the compound, a beam of near infrared light, 1-2.5 μm wavelength, encourages different reactions at specific wavelengths. This process combines the advantages of both infrared and near infrared sensing techniques. It requires a smaller sample size to obtain the same measurements and therefore will save on costs and resources for analysis of new oil well drill sites.
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