Abstract
We discuss the potential biomedical applications for a novel infrared spectroscopic microimaging system. A tunable, table top solid-state laser has been coupled to a commercial infrared microscope, fitted with a modified high resolution infrared camera, to create a unique tool for midinfrared imaging. The system is capable of performing broadband imaging at a diffraction-limited spatial resolution, as is demonstrated here by spatially resolved spectroscopy of polymer test samples with a spectral resolution of 20 cm(-1). The large pulse energies (tens of microjoules) offer previously unobtainable combinations of high signal-to-noise levels and rapid data collection times which are superior to current stand-alone laboratory instruments by many decades. Coupled with the short (100 ps) short pulse duration, these characteristics promise to make a wide range of time-resolved and reflection mode imaging experiments possible with live biological systems.
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