Femtosecond laser textured porous nanowire structured glass for enhanced thermal imaging

Tingni Wu; Zhipeng Wu; Yuchun He; Zhuo Zhu; Lingxiao Wang; Kai Yin

doi:10.3788/COL202220.033801

Journals >Chinese Optics Letters >Volume 20 >Issue 3 >Page 033801 > Article

Chinese Optics Letters
Vol. 20, Issue 3, 033801 (2022)

Femtosecond laser textured porous nanowire structured glass for enhanced thermal imaging | On the Cover

Tingni Wu¹, Zhipeng Wu¹, Yuchun He¹, Zhuo Zhu¹, Lingxiao Wang¹, and Kai Yin^1、2、*

Author Affiliations

¹Hunan Key Laboratory of Nanophotonics and Devices, School of Physics and Electronics, Central South University, Changsha 410083, China

²State Key Laboratory of High Performance and Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China

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DOI: 10.3788/COL202220.033801 Cite this Article Set citation alerts

Tingni Wu, Zhipeng Wu, Yuchun He, Zhuo Zhu, Lingxiao Wang, Kai Yin. Femtosecond laser textured porous nanowire structured glass for enhanced thermal imaging[J]. Chinese Optics Letters, 2022, 20(3): 033801 Copy Citation Text

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(a) Schematic diagram of the laser ablation on one glass side and the optical principle before and after processing (lower left part). (b) Topography in 3D and section height map of laser-treated glass.

Fig. 1. (a) Schematic diagram of the laser ablation on one glass side and the optical principle before and after processing (lower left part). (b) Topography in 3D and section height map of laser-treated glass.

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(a)–(c) SEM images of the (a) UT and (b), (c) LT glass surfaces. Insets: high-resolution SEM images of the respective surfaces. (d) Element maps and (e), (f) EDS spectra of the (e) UT and (f) LT glass surfaces.

Fig. 2. (a)–(c) SEM images of the (a) UT and (b), (c) LT glass surfaces. Insets: high-resolution SEM images of the respective surfaces. (d) Element maps and (e), (f) EDS spectra of the (e) UT and (f) LT glass surfaces.

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Fig. 3. (a) Absorption, transmittance and (b) emissivity, reflectance over different wavelength ranges. Insets in (a) show the optical images of samples before and after laser treatment.

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Fig. 4. (a) IR thermal imaging experimental device. (b) IR thermal images. (c) The surface temperature of LT and UT changes with time in the corresponding experiment. (d) IR thermal images of LT and UT glasses when they are placed on the hand.

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