Wavelength-dependent nonlinear absorption of gold nanocages

Shuang Chen; Suying Yang; Yan Huang; Weiyan Jiao; Guanghua Fan; Yachen Gao

doi:doi:10.3788/COL202018.011901

Chinese Optics Letters, 2020, 18 (1): 011901, Published Online: Dec. 12, 2019

Wavelength-dependent nonlinear absorption of gold nanocages Download： 762次

Shuang Chen ¹Suying Yang ²Yan Huang ¹Weiyan Jiao ³Guanghua Fan ³Yachen Gao ^1,*

Author Affiliations

¹ College of Electronic Engineering, Heilongjiang University, Harbin 150080, China

² Physics Group, Chaoyang Medical School, Chaoyang 122000, China

³ College of Physics, Harbin Institute of Technology, Harbin 150001, China

Figures & Tables

Fig. 1. SEM image and size distribution of the gold nanocages (inset).

下载图片查看原文

Fig. 2. Linear absorption spectra of gold nanocages.

下载图片查看原文

Fig. 3. Electric field distributions of gold nanocages with incident wavelength of (a) 600 nm and (b) 300 nm.

下载图片查看原文

Fig. 4. Open-aperture Z-scan curves for (a) gold nanocages at 550 nm and 300 μJ, (b) gold nanocages at 550 nm and 800 μJ, (c) gold nanocages at 600 nm and 300 μJ, (d) gold nanocages at 600 nm and 800 μJ, (e) gold nanocages at 650 nm and 300 μJ, and (f) gold nanocages at 650 nm and 800 μJ. The dots are experimental data, while the solid lines are the generated theoretical fit.

下载图片查看原文

Fig. 5. Solid lines are the linear absorption spectra. The dots are saturation strength $I_{s}$ and nonlinear absorption coefficient $β$ versus wavelength when $I_{0}$ is (a) $4.95 \times 10^{13} W / m^{2}$ and (b) and (c) $1.32 \times 10^{14} W / m^{2}$ .

下载图片查看原文

Table1. Nonlinear Optical Parameters of Gold Nanocages

$λ$ (nm)	$α_{ns}$ (m⁻¹)	$α_{0}$ (m⁻¹)	$I_{0}$ (W/m²)	$I_{s}$ (W/m²)	$β$ (m/W)
550	$6.38 \times 10^{2}$	$2.01 \times 10^{1}$	$4.95 \times 10^{13}$	$5.00 \times 10^{12}$	0
			$1.32 \times 10^{14}$	$1.33 \times 10^{13}$	$5.2 \times 10^{- 12}$
600	$1.84 \times 10^{3}$	$5.89 \times 10^{2}$	$4.95 \times 10^{13}$	$6.18 \times 10^{12}$	0
			$1.32 \times 10^{14}$	$1.89 \times 10^{13}$	$3.68 \times 10^{- 12}$
650	$9.01 \times 10^{2}$	$2.89 \times 10^{1}$	$4.95 \times 10^{13}$	$5.18 \times 10^{12}$	0
			$1.32 \times 10^{14}$	$1.68 \times 10^{12}$	$4.3 \times 10^{- 12}$

查看原文

Shuang Chen, Suying Yang, Yan Huang, Weiyan Jiao, Guanghua Fan, Yachen Gao. Wavelength-dependent nonlinear absorption of gold nanocages[J]. Chinese Optics Letters, 2020, 18(1): 011901.

Wavelength-dependent nonlinear absorption of gold nanocages Download： 762次

Fig. 1. SEM image and size distribution of the gold nanocages (inset).

Fig. 2. Linear absorption spectra of gold nanocages.

Fig. 3. Electric field distributions of gold nanocages with incident wavelength of (a) 600 nm and (b) 300 nm.

Fig. 5. Solid lines are the linear absorption spectra. The dots are saturation strength $I_{s}$ and nonlinear absorption coefficient $β$ versus wavelength when $I_{0}$ is (a) $4.95 \times 10^{13} W / m^{2}$ and (b) and (c) $1.32 \times 10^{14} W / m^{2}$ .

Table1. Nonlinear Optical Parameters of Gold Nanocages

关于本站 Cookie 的使用提示

全站搜索

Wavelength-dependent nonlinear absorption of gold nanocages Download： 762次

Fig. 1. SEM image and size distribution of the gold nanocages (inset).

Fig. 2. Linear absorption spectra of gold nanocages.

Fig. 3. Electric field distributions of gold nanocages with incident wavelength of (a) 600 nm and (b) 300 nm.

Fig. 5. Solid lines are the linear absorption spectra. The dots are saturation strength Is and nonlinear absorption coefficient β versus wavelength when I0 is (a) 4.95×1013 W/m2 and (b) and (c) 1.32×1014 W/m2.

Table1. Nonlinear Optical Parameters of Gold Nanocages

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索

Fig. 5. Solid lines are the linear absorption spectra. The dots are saturation strength $I_{s}$ and nonlinear absorption coefficient $β$ versus wavelength when $I_{0}$ is (a) $4.95 \times 10^{13} W / m^{2}$ and (b) and (c) $1.32 \times 10^{14} W / m^{2}$ .