Dr. Michael Durst, Department of Physics and Astronomy, Bates College
"Noninvasive Biomedical Imaging Using Nonlinear Optical Microscopy."
Biomedical optics entails using lasers, fluorescence, and other clever tools to extract images from beneath the surface of biological tissue. We are all familiar with MRI and ultrasound imaging, but these techniques suffer from poor resolution. Light-based microscopy provides superior resolution, allowing you to see details on the cellular level. This talk will describe efforts to look beneath the surface of the body without making an incision. Nonlinear optical microscopy techniques such as two-photon absorption, long-wavelength excitation, temporal focusing, and photothermal imaging will be discussed.