IR absorptance of thin carbon multi-walled nanotubes layers

Чиж, К. В.; Klimenko, Alexey A.; Rudakov, G. A.; Дудин, А. А.; Shaman, Yuriy P.; Stavrovskiĭ, D. B.; Khimelnitskii, Roman A.

doi:10.1016/j.optmat.2022.112151

Optical Materials

2022

DOI: 10.1016/j.optmat.2022.112151

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IR absorptance of thin carbon multi-walled nanotubes layers

К. В. Чиж

Alexey A. Klimenko

G. A. Rudakov

et al.

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2024

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A fiber-integrated ultrabroadband optical power sensor based on multi-walled carbon nanotubes and U-shaped fiber with bandwidth ranging from 405 nm to 7.767 μm

Zhang,

Liu,

Zhang

et al. 2024

Applied Physics Letters

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The ultrabroadband photodetectors are considered to hold significant potential for applications in optical sensing and communication. In this study, we report an ultrabroadband fiber-integrated optical power sensor (FOPS) based on the photothermal effect of multi-walled carbon nanotubes (MWCNTs). The device consists of two main components: the U-shaped fiber (UF) and the photosensitive unit (PSU), wherein the PSU is comprised of polydimethylsiloxane (PDMS) doped with MWCNTs. Under illumination, the photothermal effect of MWCNTs causes a thermal expansion of the PDMS, resulting in compression deformation of UF and transmission spectrum blueshift. Experimental results demonstrate that the proposed device achieves an optical photodetection ranging from 405 nm to 7.767 μm with a responsivity of 0.484 nm/mW. The response time exhibits a rising edge of 13 s and a falling edge of 7 s. Additionally, the device has integrated light motion tracking capability, achieving a displacement resolution of incident light as 1.25 nm/mm. As the proposed FOPS has advantages of ultrabroad detection band and high responsivity, it is a promising design for light detection.

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A fiber-integrated ultrabroadband optical power sensor based on multi-walled carbon nanotubes and U-shaped fiber with bandwidth ranging from 405 nm to 7.767 μm

Zhang,

Liu,

Zhang

et al. 2024

Applied Physics Letters

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show abstract

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IR absorptance of thin carbon multi-walled nanotubes layers

Cited by 1 publication

References 26 publications

A fiber-integrated ultrabroadband optical power sensor based on multi-walled carbon nanotubes and U-shaped fiber with bandwidth ranging from 405 nm to 7.767 μm

A fiber-integrated ultrabroadband optical power sensor based on multi-walled carbon nanotubes and U-shaped fiber with bandwidth ranging from 405 nm to 7.767 μm

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