Patent ID: 7221455
Filing Date: 2007-05-22
Classification: G01N

Abstract:
1. A light source and detector comprising: a) a light source capable of producing exciting radiation and having a location so as to direct said exciting radiation from a first face of said light source onto a sample, wherein said sample is capable of undergoing fluorescence when illuminated by said exciting radiation and producing emitted radiation having a different wavelength from said exciting radiation; b) said light source having a second face located on the opposite side of said light source from said first face; c) a detector capable of detecting said emitted radiation and having a location so as to receive at least a portion of said emitted radiation from said sample; d) wherein said light source and said detector are integrally combined on a single substrate; and e) said detector is located generally adjacent to said second face and not directly illuminated by said exciting radiation emitted from said first face.