| 摘要 |
This invention relates to a platform ( 11 ) and a method for generating electromagnetic field distributions. The invention relates in particular to optical sensors for measuring biological or chemical substances. The platform ( 11 ) according to the invention comprises a substrate ( 13 ), a structured layer ( 19 ) and, positioned between the substrate ( 13 ) and the structured layer ( 19 ), a multilayer assembly ( 17 ), said components being so matched relative to one another that upon appropriate impingement by electromagnetic radiation an electromagnetic field distribution is generated that is at a maximum within the structured layer ( 19 ).
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