debris e g during scanning in a dusty and or debris laden environment furthermore shutter wiper assembly 90 can be used to wiper away any of specimen 10 which might unintentionally stick to window 95 so as to help ensure that the specimen is not inadvertently carried away from the remote site by raman probe system 5 at the conclusion of the analysis the excitation light from optical probe subsystem 35 engages specimen 10 and interacts with specimen 10 so as to produce the raman signature of the specimen the light returning from specimen 10 including but not limited to the raman signature of the specimen passes back through window 95 through lenses 90 85 and then through lens 80 a beam splitter 105 e g gold coated glass 1 5 times 3 8 mm 1 mm thick then directs some of the returning light through an imaging lens 105 a through a ccd imaging lens aperture 106 e g d 0 9 mm through an infra red blocking filter 107 e g to block 785 nm laser light and pass visible spectrum od gt 3 to ccd chip 108 on ccd active die 109 of ccd camera 110 driven by ccd electronics 115 and the remainder of the returning light including the raman signature of the specimen is directed through lens 75 through focusing lens 70 through notch filters 60 116 e g od gt 6 through.