High-fidelity, broadly-tunable quantum cascade lasers (QCLs) are replacing thermal light sources in next-generation infrared chemical imaging and microscopy instrumentation. Their superior spectral brightness, beam quality, and reliability are enabling new applications in biomedical, pharmaceutical, and industrial markets which demand substantially better noise performance, higher throughput, and ease-of-use. In this talk we will discuss the state-of-the-art in QCL source technology and describe our systems approach to leveraging QCL sources in the next-generation of infrared chemical imaging microscopes.
Jeremy A. Rowlette, Edeline Fotheringham, Miles J. Weida, William B. Chapman, Paul Larson, and Tiim Day, "QCLs and the future of IR chemical imaging
(Conference Presentation)," Proc. SPIE 9933, Optical Sensing, Imaging, and Photon Counting: Nanostructured Devices and Applications 2016, 99330G (Presented at SPIE Nanoscience + Engineering: August 31, 2016; Published: 3 November 2016); https://doi.org/10.1117/12.2240271.5167075313001.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon