Infrared Dielectric Properties Determination of Single Crystal Based on Transmission Spectrum of Polycrystalline Powder

Zhenyou Wang; Haixin Wu; Mingsheng Mao; Youbao Ni; Changbao Huang; Pengfei Jiang; Weimin Han

doi:10.3788/AOS202040.2426001

Acta Optica Sinica, Volume. 40, Issue 24, 2426001(2020)

Infrared Dielectric Properties Determination of Single Crystal Based on Transmission Spectrum of Polycrystalline Powder

Zhenyou Wang^1,2, Haixin Wu^1,2、*, Mingsheng Mao^1,2, Youbao Ni^1,2, Changbao Huang^1,2, Pengfei Jiang¹, and Weimin Han¹

Author Affiliations

¹Anhui Provincial Key Laboratory of Photonic Devices and Materials, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China

²Advanced Laser Technology Laboratory of Anhui Province, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China

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Figures & Tables(6)

Fig. 1. Transmission spectra of KBr pellet doped with ZGP powder and ZGP single crystal

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$Fitted curve of refractive index dispersion of ZGP crystal$

Fig. 3. Fitted curve of refractive index dispersion of ZGP crystal

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Table 1. Frequencies and refractive indexes of the transmission peak of AGS powder pellets
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Table 1. Frequencies and refractive indexes of the transmission peak of AGS powder pellets
Number Material Refractive index (20 μm) Frequency /cm^-1
D₁ NaCl 1.3822 431.7
D₂ KBr 1.4924 437.4
D₃ CsI 1.7370 456.9
D₄ AgCl 1.9069 481.8
D₅ ZnS 1.9230 485.0

Table 2. Infrared dielectric properties of AGS crystal
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Table 2. Infrared dielectric properties of AGS crystal
Data Simulation Experiment
ω_TO /cm^-1 ω_LO /cm^-1 λ_cutoff /μm ω_TO /cm^-1 ω_LO /cm^-1 λ_cutoff /μm
D₁-D₄ 365.1 410.3 12.2
D₁-D₃,D₅ 365.0 410.3 12.2 368 392 13^[18]
D₁-D₅ 365.1 410.4 12.2

Table 3. Frequencies and refractive indexes of the transmission peak of ZGP powder pellets
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Table 3. Frequencies and refractive indexes of the transmission peak of ZGP powder pellets
Number Material Refractiveindex (20 μm) Frequency /cm^-1
D₁ NaCl 1.3822 410.8
D₂ KBr 1.4924 412.7
D₃ CsI 1.7370 414.6
D₄ AgCl 1.9069 416.6
D₅ ZnS 1.9230 417.3
D₆ AgBr 2.1000 420.9

Table 4. Infrared dielectric properties of ZGP crystal
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Table 4. Infrared dielectric properties of ZGP crystal
Data Simulation Experiment
ω_TO /cm^-1 ω_LO /cm^-1 λ_cutoff /μm ω_TO /cm^-1 ω_LO /cm^-1 λ_cutoff /μm
D₁-D₅ - - -
D₁-D₄,D₅ 379.3 406.4 12.3 399 408 12^[18]
D₁-D₆ 380.0 406.3 12.3

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Zhenyou Wang, Haixin Wu, Mingsheng Mao, Youbao Ni, Changbao Huang, Pengfei Jiang, Weimin Han. Infrared Dielectric Properties Determination of Single Crystal Based on Transmission Spectrum of Polycrystalline Powder[J]. Acta Optica Sinica, 2020, 40(24): 2426001

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Paper Information

Category: Physical Optics

Received: May. 29, 2020

Accepted: Sep. 10, 2020

Published Online: Nov. 24, 2020

The Author Email: Wu Haixin (hxwu@aiofm.ac.cn)

DOI:10.3788/AOS202040.2426001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Frequencies and refractive indexes of the transmission peak of AGS powder pellets

Table 1. Frequencies and refractive indexes of the transmission peak of AGS powder pellets

Table 2. Infrared dielectric properties of AGS crystal

Table 2. Infrared dielectric properties of AGS crystal

Table 3. Frequencies and refractive indexes of the transmission peak of ZGP powder pellets

Table 3. Frequencies and refractive indexes of the transmission peak of ZGP powder pellets

Table 4. Infrared dielectric properties of ZGP crystal

Table 4. Infrared dielectric properties of ZGP crystal