Pictured above is our low-temperature Raman microscopy setup allowing materials to be brought in via vacuum suitcase. This instrument excites the sample with a 532nm laser pulse and can measure the Raman shift of these photons out to 5000 cm-1 The Raman microscope is capable of measuring samples one atomic layer thick with cross-sectional areas of 1µm2. In addition, it has full polarization capabilities to measure the symmetry of the lattice and excitations.


The group also set up an optoelectronics microscopy system. It includes lasers are 10.6 µm and 4-5µm, capable of imaging the photocurrent, photothermal and photoconductivity responses of nanodevices.