A fluorescence spectrometer (10) includes an excitation light source (12) and an excitation light input mirror (14) for reflecting excitation light produced by the light source and directing the light along a spectrometer light path (24). A reflecting arrangement (16) receives the excitation light...http://www.google.ca/patents/US5801828?utm_source=gb-gplus-sharePatent US5801828 - Apparatus and method for fluorescence spectroscopy of remote sample
