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Imaging and Laser Spectroscopy

NPS’s inVia Confocal Raman Microspectrometer (Renishaw Inc.) offers one of the largest arrays of excitation wavelengths in the US with UV, visible and near-IR laser excitation. The spectrometer is equipped with a heating/cooling sampling stage (-170 to 600ºC), tensile testing stage (0.01-200N), and high pressure cell (up to 14bar). Operation modes include confocal Raman spectroscopy, polarized Raman spectroscopy, ultrafast Raman mapping and imaging, in situRaman spectroscopy, and surface-enhanced Raman spectroscopy. 


         Transport imaging with cathodoluminescence (CL) and NSOM

A near field optical microscope (NSOM) is integrated into a scanning electron microscope to allow for spatially resolved mapping of luminescence to image charge transport. A Nanonics MultiView 2000 provides for simultaneous AFM, NSOM and SEM measurements; variable temperature CL enables parallel spectroscopy capability.




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