Novel Micro-Cavity Substrates for Improving the Raman Signal from Submicrometer Size Materials
@article{Misra2009NovelMS, title={Novel Micro-Cavity Substrates for Improving the Raman Signal from Submicrometer Size Materials}, author={A. Misra and S. Sharma and L. Kamemoto and P. Zinin and Q. Yu and Ningjie N. Hu and Levi Melnick}, journal={Applied Spectroscopy}, year={2009}, volume={63}, pages={373 - 377} }
A novel and simple method for improving the detection limit of conventional Raman spectra using a micro-Raman system and picoliter volumes is presented. A micro-cavity in a reflecting metal substrate uses various mechanisms that collectively improve the entire Raman spectrum from the sample. A micro-cavity with a radius of several micrometers acts as a very effective device that provides multiple excitation of the sample with the laser and couples the forward-scattered Raman photons toward the… CONTINUE READING
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