Time resolved mid-infrared photothermal imaging

Panagis Samolis; Michelle Y. Sander

doi:10.1117/12.2636633

3 October 2022 Time resolved mid-infrared photothermal imaging

Panagis Samolis, Michelle Y. Sander

Proceedings Volume PC12228, Ultrafast Nonlinear Imaging and Spectroscopy X; PC122280G (2022) https://doi.org/10.1117/12.2636633
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

We present time resolved mid-infrared photothermal imaging that allows studying thermal dynamics of samples based on intrinsic vibrational absorption contrast. By using a gated detection in a boxcar configuration, temporal heat profiles at the sub-micron scales can be obtained. Further, the signal to noise is enhanced compared to standard lock-in detection without the need of averaging and post image processing. This imaging platform can be attractive to simultaneously obtain chemical identification and heat diffusion dynamics for a wide range of samples in a label-free manner.

Conference Presentation

Citation Download Citation

Panagis Samolis and Michelle Y. Sander "Time resolved mid-infrared photothermal imaging", Proc. SPIE PC12228, Ultrafast Nonlinear Imaging and Spectroscopy X, PC122280G (3 October 2022); https://doi.org/10.1117/12.2636633

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