Spectroscopic characteristic of conical bubble luminescence
Chen Qi-Dai (陈岐岱)a, Fu Li-Min (付立民)b, Ai Xi-Cheng (艾希成)b, Zhang Jian-Ping (张建平)b, Wang Long (王龙)a
a Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; b State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
Abstract The conical bubble sonoluminescence (CBSL) from the collapse of the bubble was observed in an improved U-tube apparatus. The emitted light energy of a single CBSL flash was measured to be $\sim $ 1.4mJ. The pulse width was about 100$\mu$s. The spectra of luminescence were continuum superimposed with the spectral bands from the excited-state C2, CN and CH. The CBSL provides a link between the light emission of the single-bubble and the multi-bubble sonoluminescence (SBSL and MBSL).
Received: 15 July 2004
Revised: 06 December 2004
Accepted manuscript online:
PACS:
78.60.Mq
(Sonoluminescence, triboluminescence)
Fund: Project supported by the National Science Foundation of China (Grant No 19934001), the State Key Development Programme for Basic Research of China (Grant No 2002CCA03400),and the Chinese Academy of Sciences.
Cite this article:
Chen Qi-Dai (陈岐岱), Fu Li-Min (付立民), Ai Xi-Cheng (艾希成), Zhang Jian-Ping (张建平), Wang Long (王龙) Spectroscopic characteristic of conical bubble luminescence 2005 Chinese Physics 14 826
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