Upconversion of Infrared Light by Graphitic Microparticles Due to Photoinduced Structural Modification

IF 3.7 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Rohin Sharma, Nishma Bhattarai, Rijan Maharjan, Lilia M. Woods, Nirajan Ojha, Ashim Dhakal
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引用次数: 0

Abstract

Photoinduced Structural Modification

In article number 2300326, Ashim Dhakal and co-workers show that photo-induced metastable modification of electronic structure in graphite allows for multiphoton processes that can up-convert an O-band infrared excitation to visible-NIR band in graphite powder. Theoretically, this process can upconvert an infrared light near the wavelength of 3 μm to VIS-NIR wavelengths. It opens exciting new avenues for applications in visible light generation and low-noise imaging using infrared light excitation.

Abstract Image

光诱导结构改性导致石墨微粒对红外光的上转换
光诱导结构修饰 在编号为 2300326 的文章中,Ashim Dhakal 及其合作者展示了光诱导石墨中电子结构的陨变修饰,从而实现了多光子过程,可将石墨粉中的 O 波段红外激发上转换为可见光-近红外波段。从理论上讲,这一过程可将波长为 3 μm 附近的红外线上转换为可见光-近红外波段。它为利用红外光激发可见光生成和低噪声成像的应用开辟了令人兴奋的新途径。
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