system consists of a 450 W xenon lamp (FL-1039, J.Y. Horiba) as the broad band
light source, a scanning double excitation monochromator (Gemini 180, J.Y.
Horiba) to obtain a series of monochromatic excitation light, a bifurcated
fiber-optic probe (multimode fibers) for light delivery, a filter wheel, an imaging
spectrograph (Triax 320, J.Y. Horiba) and a CCD camera (CCD3000, J.Y. Horiba)
for detection. With this system, point measurement of fluorescence and diffuse reflectance
can be performed on the surface of tissues.