Second-harmonic generation imaging microscopy with ps pulsed lasers

Felix Koberling; Volker Buschmann; Christian Oelsner; Bita Rezania; Maria Loidolt-Krüger; Uwe Ortmann; Rainer Erdmann

doi:10.1117/12.3001466

13 March 2024 Second-harmonic generation imaging microscopy with ps pulsed lasers

Felix Koberling, Volker Buschmann, Christian Oelsner, Bita Rezania, Maria Loidolt-Krüger, Uwe Ortmann, Rainer Erdmann

Proceedings Volume PC12855, Advanced Chemical Microscopy for Life Science and Translational Medicine 2024; PC128551F (2024) https://doi.org/10.1117/12.3001466
Event: SPIE BiOS, 2024, San Francisco, California, United States

Conference Poster

Abstract

Second harmonic generation (SHG) imaging microscopy is a nonlinear optical imaging technique that uses SHG as a contrast mechanism to produce high-resolution images. SHG occurs in materials with non-centrosymmetric crystal structures. Therefore, SHG imaging has been applied for characterization of 2D semiconductors, transition-metal dichalcogenides (TMDs) such as WS₂ and MoSe₂, lithium niobate crystals, PZT thin films, graphene, lanthanides, and even biological tissues. It provides information on the crystal lattice, assesses crystal quality and maps grain boundaries, defects, and mechanical strain. Furthermore, SHG imaging reveals the number of stacked layers as well as their orientation with respect to each other.

Citation Download Citation

Felix Koberling, Volker Buschmann, Christian Oelsner, Bita Rezania, Maria Loidolt-Krüger, Uwe Ortmann, and Rainer Erdmann "Second-harmonic generation imaging microscopy with ps pulsed lasers", Proc. SPIE PC12855, Advanced Chemical Microscopy for Life Science and Translational Medicine 2024, PC128551F (13 March 2024); https://doi.org/10.1117/12.3001466

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