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Profiling the near field of nanoshells using surface enhanced Raman spectroscopy and fluorescence spectroscopy
Plasmon resonances in metal nanoparticles control the far field and near field optical properties of these metallic structures. The enhanced electromagnetic near field is strongest at the surface of the nanoparticles and ...
Laser spectroscopic trace chemical sensors for environmental sensor networks and portable medical devices
This thesis represents the development of the first laser spectroscopy based trace-gas sensors with sensor characteristics which simultaneously satisfy low cost, handheld footprint, low power, and long term autonomous ...