Mineralogical Instrumentation

Optical Spectroscopy (Prof. George R. Rossman)


(Fig. 1) Diode Array Dectectors. 512 channel InGaAs on top, 1025 element Si on the bottom.

(Fig. 2) The spectographs. One for the Near-IR and one for the Visible-UV region.

(Fig. 3) The sample location in the spectrometer.

(Fig. 4) Light sources for the spectrometer system: Deuterium, Xeon Arc, and Tungsten lamps.

(Fig. 5) The whole system.

(Fig. 6) Optical microscope configured to work through fiber optics with the diode array spectrometer.

Back to Geochemical Instrumentation