11 February 2011 Versatile, high-efficiency tip-enhanced Raman spectroscopy (TERS) instrumentation for end-user applications
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We present the design principles and performance characteristics of a prototype user-friendly shear force based Tip-Enhanced Raman Spectroscopy system. High numerical aperture reflective optics are utilized to optimize photon delivery and collection, while allowing for interrogation of samples with varying resistivities, thicknesses, and opacities. The integration of tips and tuning forks into manufacturable units is investigated to facilitate simple tip replacement. Finally we discuss methods to mitigate the remaining challenges to the technique becoming routine and user-friendly.
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Noah J. Kolodziejski, Noah J. Kolodziejski, David E. Wolf, David E. Wolf, Rajan S. Gurjar, Rajan S. Gurjar, Yongfeng Lu, Yongfeng Lu, "Versatile, high-efficiency tip-enhanced Raman spectroscopy (TERS) instrumentation for end-user applications", Proc. SPIE 7908, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications VIII, 79080V (11 February 2011); doi: 10.1117/12.875257; https://doi.org/10.1117/12.875257

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