Application Condition of Effective Medium Theory in Optical Composite System

Yang Sun; Yongyou Zhang

doi:10.3788/AOS221469

Journals >Acta Optica Sinica >Volume 43 >Issue 5 >Page 0524001 > Article

Acta Optica Sinica
Vol. 43, Issue 5, 0524001 (2023)

Application Condition of Effective Medium Theory in Optical Composite System

Yang Sun and Yongyou Zhang^*

Author Affiliations

School of Physics, Beijing Institute of Technology, Beijing 102401, China

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DOI: 10.3788/AOS221469 Cite this Article Set citation alerts

Yang Sun, Yongyou Zhang. Application Condition of Effective Medium Theory in Optical Composite System[J]. Acta Optica Sinica, 2023, 43(5): 0524001 Copy Citation Text

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Schematic diagram of nanocrystal-doped composite crystal structure and equivalent crystal model. (a) Schematic diagram of nanocrystal-doped composite crystal structure; (b) equivalent crystal model

Fig. 1. Schematic diagram of nanocrystal-doped composite crystal structure and equivalent crystal model. (a) Schematic diagram of nanocrystal-doped composite crystal structure; (b) equivalent crystal model

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Original transmission spectra of composite system and transmission spectra of equivalent crystal under different parameters. (a) εrA=23.0, εrB=3.5, w=0.019 μm, εr,effBr=3.55; (b) εrA=12.5, εrB=20.0, w=0.019 μm, εr,effBr=19.94

Fig. 2. Original transmission spectra of composite system and transmission spectra of equivalent crystal under different parameters. (a)

ε_{r}^{A} = 23.0

ε_{r}^{B} = 3.5

w = 0.019 μ m

ε_{r, e f f}^{B r} = 3.55

; (b)

ε_{r}^{A} = 12.5

ε_{r}^{B} = 20.0

w = 0.019 μ m

ε_{r, e f f}^{B r} = 19.94

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Fig. 3.

ε_{r, e f f}^{B r}

and effective dielectric constant computed by transfer-matrix method varying with dielectric constant of nanocrystal

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Fig. 4.

ε_{r, e f f}^{B r}

and effective dielectric constant computed by transfer-matrix method varying with doping period and side length of nanocrystal. (a) Doping period; (b) side length of nanocrystal

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Fig. 5. Wavelength dependence of effective dielectric constant and comparison of transmission spectra. (a)(c) Effective dielectric constant computed by transfer-matrix method varying with wavelength and