Abstract
We have demonstrated infrared pump-probe spectroscopy using chirped-pulse upconversion with a nonlinear mixing in a gas. The ultrabroadband mid-infrared spectrum spanning from 200 to 5,000 cm-1 was upconverted by using a 0.4 ps chirped pulse to visible wavelength generation in gas. This technique allow for the high speed and high sensitivity detection in ultrabroadband mid-infrared region. Ultrafast dynamics of free-carrier in Ge was clearly observed in the range 200-5,000 cm-1.
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CITATION STYLE
Shirai, H., Yeh, T. T., Nomura, Y., Luo, C. W., & Fuji, T. (2015). Ultrabroadband infrared pump-probe spectroscopy using chirped-pulse upconversion. In Springer Proceedings in Physics (Vol. 162, pp. 233–236). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-319-13242-6_56
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