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Asynchronous wide-field transient absorption microscopy
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DOI：10.1364/OL.539746.png)
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Abstract
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We have developed a new, to the best of our knowledge, femtosecond laser spatiotemporal imaging technique, named asynchronous wide-field transient absorption microscopy (AWTAM), which does not require phase synchronization between an optical chopper and a complementary metal-oxide-semiconductor (CMOS) camera. By presenting a theoretical scheme, an image reconstruction algorithm, and experimentally imaging the photocarrier diffusion process in a 2D layered semiconductor, our technique has been comprehensively demonstrated. Our technique is widely applicable for fundamental photo-physical research and industrial applications, with the advantages of lower hardware cost as well as higher imaging speed. (c) 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.
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MONOLAYER
CARRIER
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3.3
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4.0W
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7.6W
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