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Conferences > CLEOPR > 2022 > CThA1E > CThA1E_03

An efficient wavelength upconversion effect in sapphire driven by microjoule femtosecond laser

Ruihong Dai, Haoyun Zhang, Shiyu Zhu, and Fengqiu Wang

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Abstract

We investigate the nonlinear wavelength conversion processes in sapphire under microjoule femtosecond laser pumping. With appropriate sapphire thickness and focal arrangement, a >10% wavelength upconversion effect was observed, showing potential use in multi-photon microscopy.

© 2022 IEEE

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