激光与光电子学进展, 2019, 56 (3): 033003, 网络出版: 2019-07-31
一维单壁碳纳米管相干结构振荡的光谱学调制 
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Spectroscopic Modulation of Coherent Lattice Vibrations in One-Dimensional Single-Walled Carbon Nanotubes
图 & 表
图 1. 抽运-探测系统光路及激光与样品吸收的光谱图。(a)抽运-探测系统光路图;(b) HCF系统产生的450~950 nm波段内的激光光谱,内图为脉冲自相关曲线;(c)碳管样品的吸收光谱,虚线大致标识了E11和E22能级的分界线
Fig. 1. Pump- probe system light path and spectral image of laser and sample absorption. (a) Schematic of pump-probe system; (b) laser spectrum in 450 to 950 nm range output from HCF system, the inset is pulse autocorrelation trace; (c) absorption spectrum of carbon nanotube sample, dashed line roughly identifies boundary between E11 and E22 energy levels
图 2. (6,4)碳管E11能级的时间分辨瞬态吸收光谱和特定探测波长的吸收曲线及其FT谱。(a)在NB抽运下和(b)在BB抽运下,(6,4)碳管E11能级的时间分辨瞬态吸收光谱;(c)在NB抽运下和(d)在BB抽运下,900 nm探测波长处的瞬态吸收动力学曲线;(e)~(f)对应动力学曲线的FT谱图
Fig. 2. Time-resolved transient absorption spectra and absorption curves of specific detection wavelengths and FT spectra of E11 levels of (6, 4) carbon nanotube. Time-resolved transient absorption spectra of E11 levels of (6, 4) carbon nanotube (a) under NB pumping and (b) under BB pumping; transient absorption dynamics probed at 900 nm (c) under NB pumping and (d) under BB pumping; (e)-(f) FT spectrum of vibrational curves
图 3. 在(6,4)碳管E11能级共振吸收波段,FT谱强度与探测波长的关系曲线图。(a) RBM;(b) GM
Fig. 3. FT power intensity as a function of probe wavelength in E11 level resonance absorption range of (6, 4) carbon nanotubes. (a) RBM; (b) GM
图 4. M1(t)动力学曲线及震荡波包与初始相位的关系图。(a)在NB抽运下和(b)在BB抽运下的M1(t)动力学曲线;波包(c)在激发态振荡和(d)在基态振荡与相位关系的示意图
Fig. 4. M1(t) dynamics process and the relationship between the oscillating wave packet and the initial phase. M1(t) dynamics process (a) under NB pumping and (b) under BB pumping; schematic of the relationship between the vibrational wavepackets and their phases (c) in excited state and (d) in ground state
赵欣, 聂兆刚, 张芳腾, 马琳, 郭德强, 赵韦人, 徐华伟, TakayoshiKobayashi. 一维单壁碳纳米管相干结构振荡的光谱学调制[J]. 激光与光电子学进展, 2019, 56(3): 033003. Xin Zhao, Zhaogang Nie, Fangteng Zhang, Lin Ma, Deqiang Guo, Weiren Zhao, Huawei Xu, Kobayashi Takayoshi. Spectroscopic Modulation of Coherent Lattice Vibrations in One-Dimensional Single-Walled Carbon Nanotubes[J]. Laser & Optoelectronics Progress, 2019, 56(3): 033003.
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