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| Number | Title | Issue Date |
| 7630081 | Interferometer maintaining optical relationship between elements An interferometer for Fourier transform infrared spectroscopy includes a fixed assembly including a housing, a beam splitter, and a mirror fixedly positioned relative to each other. A movable assembly includes a housing, a mirror, and a motor coil, fixedly positione... | 12/08/2009 |
| 7582869 | System and method for optical analysis An optical analysis system utilizing transmission spectroscopy for analyzing liquids and solids includes a source of optical energy, a sample, a movable optical energy transmission window, a fixed optical energy transmission window, and a detection system. The fixed... | 09/01/2009 |
