Laser emission from flash ignition of Zr/Al nanoparticles | Zendy

Fan Yang | Zendy; Xiaoli Kang | Zendy; Jiangshan Luo | Zendy; Laixi Sun | Zendy; Handing Xia | Zendy; Zao Yi | Zendy; Yongjian Tang | Zendy

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Laser emission from flash ignition of Zr/Al nanoparticles

Author(s) -

Fan Yang,

Xiaoli Kang,

Jiangshan Luo,

Laixi Sun,

Handing Xia,

Zao Yi,

Yongjian Tang

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.00a932

Subject(s) - materials science , ignition system , laser , adiabatic process , laser ignition , optics , flash (photography) , analytical chemistry (journal) , yield (engineering) , brightness , composite material , chemistry , thermodynamics , physics , chromatography

We report the first laser emission from flash ignition of Zr/Al nanoparticles with the addition of strong oxidizer KClO 4 using Nd: YAG as a laser medium. The mixture Zr/Al/Kp-45 (mass ratio = 33%Zr: 33%Al: 34%KClO 4 ) has the highest brightness temperature Tb = 4615 K and the adiabatic flame temperature Tf = 4194 K with the duration of 20 ms. At 1064 nm we measured a maximum output energy of 702.5 mJ with the duration of nearly 10 ms by using only 100 mg mixture with an output coupler (transmission T = 10%). Further optimizing the concentration cavity and increasing the mixture content will yield much higher efficiency and output energy.

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