TY - JOUR
T1 - Laser-induced molecular fluorescence diagnosis of aluminum monoxide evolution in laser-induced plasma
AU - Li, Jiaming
AU - Xu, Manling
AU - Li, Xiangyou
AU - Ma, Qiongxiong
AU - Zhao, Nan
AU - Zhang, Qingmao
AU - Guo, Liang
AU - Lu, Yongfeng
N1 - Funding Information:
This work was financially supported by the National Key Research and Development Program of China (2017YFB1104500), the Science and Technology Project of Guangdong Province (2014B010131004, 2014B010124002, 2014B090903014, 2015B090920003, 2016B090917002, 2016B090926004, 201604040006, and 2016A030313456).
Publisher Copyright:
© 2019 Astro Ltd.
PY - 2019/4/10
Y1 - 2019/4/10
N2 - Molecular evolution in laser-induced breakdown spectroscopy (LIBS) is conventionally diagnosed by observing molecular spontaneous emission (SE). In this work, laser-induced molecular fluorescence (LIMF) was introduced to investigate molecular evolution in laser-induced plasma. Aluminium monoxide (AlO) was taken as a typical example for demonstration. AlO molecules in the X2Σ+ state were stimulated by a 484.82 nm laser beam, and then 510.21 nm fluorescence was observed. Compared with conventional SE in LIBS, the proposed LIMF demonstrated that it took more time to fully combine aluminum and oxygen atoms to AlO molecules. Moreover, the longer lifetime of the AlO in plasma was observed.
AB - Molecular evolution in laser-induced breakdown spectroscopy (LIBS) is conventionally diagnosed by observing molecular spontaneous emission (SE). In this work, laser-induced molecular fluorescence (LIMF) was introduced to investigate molecular evolution in laser-induced plasma. Aluminium monoxide (AlO) was taken as a typical example for demonstration. AlO molecules in the X2Σ+ state were stimulated by a 484.82 nm laser beam, and then 510.21 nm fluorescence was observed. Compared with conventional SE in LIBS, the proposed LIMF demonstrated that it took more time to fully combine aluminum and oxygen atoms to AlO molecules. Moreover, the longer lifetime of the AlO in plasma was observed.
KW - Laser-induced breakdown spectroscopy (LIBS)
KW - aluminum monoxide (AlO)
KW - laser-induced fluorescence
KW - laser-induced plasma
UR - http://www.scopus.com/inward/record.url?scp=85070732761&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85070732761&partnerID=8YFLogxK
U2 - 10.1088/1612-202X/ab1013
DO - 10.1088/1612-202X/ab1013
M3 - Article
AN - SCOPUS:85070732761
SN - 1612-2011
VL - 16
JO - Laser Physics Letters
JF - Laser Physics Letters
IS - 5
M1 - 55701
ER -