Laser-induced artificial fulgurites

被引：2

作者：

Bidin, Noriah ^{[1
]}

Sanagi, Mohd Marsin ^{[2
]}

Farah, Mohammed ^{[3
]}

Razali, M. Naqiuddin ^{[1
]}

Khamis, Jamil ^{[4
]}

机构：

[1] Univ Teknol Malaysia, Fac Sci, Laser Ctr, Johor Baharu, Johor, Malaysia

[2] Univ Teknol Malaysia, Fac Sci, Chem Dept, Johor Baharu, Johor, Malaysia

[3] Sudan Univ Sci & Technol, Inst Laser, Khartoum, Sudan

[4] Nanosiltech Sdn Bhd, Shah Alam, Selangor, Malaysia

来源：

LASER PHYSICS LETTERS | 2018年 / 15卷 / 07期

关键词：

laser; fulgurite; rice husk ash; lightning; silica; RICE HUSK ASH; CEMENT; CONCRETE; SILICA; MICROSTRUCTURE; SURFACE; CO2;

D O I：

10.1088/1612-202X/aaada4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fulgurite is a natural glass created by lightning. Naturally it can be found at beaches or in deserts. Artificial fulgurite is created by immersing high-voltage electrodes in a tab of sand. Commonly, fulgurite is of interest among geoscientists, but its applications are still unknown. In the present paper, the concept of natural fulgurite generation is simulated to induce artificial fulgurite. Instead of lightning, a high-power laser beam is used as a source of transient heating. Syntactic sand from agrowaste is used as target material. Artificial fulgurite is generated after transient heating from a laser beam. The benefit of this finding can be used to extract silica from rice husk ash using laser technology.

引用

页数：4

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