激光与光电子学进展, 2018, 55 (12): 121402, 网络出版: 2019-08-01
超短激光脉冲作用下等离激元“相变”特性研究 
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Phase Transition of Plasmons Induced by Ultrashort Laser Pulses
图 & 表
图 2. 金纳米颗粒显微结构的“相变”特性。(a)飞秒激光脉冲辐照前,金纳米颗粒胶体(100 mg/mL)薄膜的SEM图像;激光脉冲辐照16 min后,不同质量浓度金纳米颗粒溶液所制备样品的SEM图像:(b) 40 mg/mL,(c) 70 mg/mL,(d) 100 mg/mL
Fig. 2. "Phase transition" characteristics of the microstructure of gold nanoparticles. (a) SEM image of the spin-coated sample with a colloidal concentration of 100 mg/mL before irradiated by laser pulses; SEM images of samples prepared by different concentrations of gold nanoparticle solution irradiated by laser pulses for 16 min, (b) 40 mg/mL, (c) 70 mg/mL, and (d) 100 mg/mL
图 3. 消光光谱。(a)金纳米颗粒在飞秒激光脉冲作用下不同时刻的消光光谱;(b)质量浓度分别为40,70,100 mg/mL的金纳米颗粒在飞秒激光辐照16 min后的消光光谱
Fig. 3. Extinction spectra. (a) Extinction spectra of the gold nanoparticles at different irradiation time with femtosecond laser pulses; (b) extinction spectra of the gold nanoparticles with colloidal concentrations of 40, 70, and 100 mg/mL, respectively, irradiated by laser pulses for 16 min
刘鹤元, 黄翠莺, 黄梅婷, 张新平. 超短激光脉冲作用下等离激元“相变”特性研究[J]. 激光与光电子学进展, 2018, 55(12): 121402. Heyuan Liu, Cuiying Huang, Meiting Huang, Xinping Zhang. Phase Transition of Plasmons Induced by Ultrashort Laser Pulses[J]. Laser & Optoelectronics Progress, 2018, 55(12): 121402.
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