Improving the Energy Conversion Efficiency of a Laser-Driven Flyer by an In Situ-Fabricated Nano-absorption Layer.

Liang Wang, Yichao Yan, Xiangbo Ji, Wanli Zhang, Hongchuan Jiang, Wenzhi Qin, Yao Wang, Duo Tang

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Article in Nanoscale research letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Liang WangState Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Yichao YanState Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Xiangbo JiInstitute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China.

Wanli ZhangState Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Hongchuan JiangState Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China. hcjiang@uestc.edu.cn.

Wenzhi QinInstitute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China.

Yao WangInstitute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China.

Duo TangInstitute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China. Kristanson_tang@caep.cn.ORCID http://orcid.org/0000-0003-4662-8058

Funding

Natural Science Foundation of China 11902305

6 · The paper itself

Abstract

Three kinds of Al flyer plates with different nanostructured absorption layers were in situ prepared by a direct laser writing technology to improve the energy conversion efficiency in a laser-driven flyer assembly. Microstructures, light absorption, and flyer velocity in the acceleration chamber were investigated. The reflectance for the flyers at 1064-nm wavelength can be reduced from 81.3 to 9.8% by the nanostructured absorption layer. The terminal velocity of a 50-μm-thick Al flyer irradiated by a 60-mJ laser pulse is 831 m/s, while the velocity of the flyer with an in situ-fabricated nano-absorption layer reaches up to 1113 m/s at the same condition. Resultantly, the energy conversion efficiency of the flyer with a nanostructure absorption layer can reach as high as 1.99 times that of the Al flyer. Therefore, the nanostructured absorption layer in situ prepared on the surface of a flyer provides a new method to significantly improve the energy conversion efficiency of a laser-driven flyer.

Indexed as

Energy conversionLaser-driven flyerNanostructured absorption layerPDV

Identifiers

PMID32504409

DOI10.1186/s11671-020-03346-5

PMCPMC7275114

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