Researching | Visible Light Metamaterial Saturable Absorber Based on Vanadium Dioxide

Acta Optica Sinica, Volume. 42, Issue 15, 1516001(2022)

Visible Light Metamaterial Saturable Absorber Based on Vanadium Dioxide

Yi Zheng^1,2, Haoxue Qiu², Yan Li², and Yuzhai Pan^2、*

Author Affiliations

¹School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150006, Heilongjiang , China

²Department of Optoelectronics, Harbin Institute of Technology, Weihai 264209, Shandong , China

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Figures&Tables (7)

References (30)

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Figures & Tables(7)

Fig. 1. Conductivity of vanadium dioxide varying with temperature

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Fig. 2. Unit structure of visible light metamaterial saturable absorber

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Fig. 3. Absorption, reflection and transmission curves before phase change

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Fig. 4. Absorption, reflection and transmission curves after phase change

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Fig. 5. Absorptivity of metamaterial varying with conductivity at different wavelengths. (a) 405 nm;(b) 450 nm;(c) 500 nm;(d) 632 nm;(e) 650 nm

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Table 1. Size parameter values of visible light metamaterial saturable absorber
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Table 1. Size parameter values of visible light metamaterial saturable absorber
Parameter Value
P 300
h₁ 30
h₂ 60
h₃ 150
R 75

Table 2. Absorptivities and saturation depths corresponding to different wavelengths
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Table 2. Absorptivities and saturation depths corresponding to different wavelengths
Wavelength /nm Conductivity /（ $10^{5}$ S $∙ m^{- 1}$ ） Absorptivity Saturation depth /%
405 0.5 0.97 10
2.0 0.87
450 0.5 0.98 12
2.0 0.86
500 0.5 1.00 18
2.0 0.82
632 0.5 0.94 20
2.0 0.74
650 0.5 0.93 21
2.0 0.72

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Yi Zheng, Haoxue Qiu, Yan Li, Yuzhai Pan. Visible Light Metamaterial Saturable Absorber Based on Vanadium Dioxide[J]. Acta Optica Sinica, 2022, 42(15): 1516001

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Paper Information

Category: Materials

Received: Jan. 14, 2022

Accepted: Feb. 28, 2022

Published Online: Aug. 4, 2022

The Author Email: Pan Yuzhai (panyzh2022@163.com)

DOI:10.3788/AOS202242.1516001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology