Optical Photothermal Infrared (OPTIR) Microscope

Optical photothermal IR microscope that meets the following minimum technical requirements. a. Have tunable quantum cascade laser(s) that cover at least (3000-2700) cm-1 and (1800-1000) cm-1 ranges and an appropriate optical switching box b. Have the ability to collect spectra in imaging and spectroscopy modes, which includes imaging at spectral ratios of user defined wavenumbersc. Have Microscope with switchable 10x visible and 40x visible/IR objectivesd. Have ability for spatial resolution in imaging mode below 500 nm and capabilities to extend resolution below 300 nm on manufacturer’s standard particle controle. Includes visible 532 nm laser for probe that can changed by the user and seamlessly integrated in the software as sample requirements change f. Include motorized stage for automated and manual operationg. Include automated IR polarizer to control the linear polarization of the IR between with 90 degrees of rota