Profile: Photon Technology International, Inc. manufactures electro optical instruments. Our Quantamaster™ uv vis is an easy to use, open architecture spectrofluorometer with extremely high sensitivity, with a signal to noise ratio of 10,000:1 and 460 attomolar sensitivity. We offer steady state spectrofluorometer, luminescence spectrofluorometer, nir spectrofluorometer, standard resolution raman spectroscopy, high resolution raman spectroscopy, time resolved spectrofluorometer, fluorescence imaging system, fluorescence microscopy, and high temperature fluorescence platereader.