Research and Verification on Resonance Characteristics of Photoelastic Modulator

Yanting Wu; Wei Xiong; Chaobo Li; Zhenheng Hu; Siying Tian

doi:10.3788/AOS202141.1523002

Acta Optica Sinica, Volume. 41, Issue 15, 1523002(2021)

Research and Verification on Resonance Characteristics of Photoelastic Modulator

Yanting Wu¹, Wei Xiong^2,3、*, Chaobo Li², Zhenheng Hu¹, and Siying Tian²

Author Affiliations

¹School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China

²Institute of Microelectronics of Chinese Academy of Sciences, Beijing 100029, China

³State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China

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Figures & Tables(16)

Fig. 1. Schematic diagram of PEM working principle

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Fig. 2. Schematic diagram of two-dimensional octagonal symmetric structure PEM

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Fig. 3. Physical image of two-dimensional octagonal symmetric structure PEM

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Fig. 4. Simulation diagrams of piezoelectric quartz crystal at target frequency of 50 kHz. (a) Frequency-displacement point diagram; (b) surface displacement diagram at 50 kHz; (c) surface stress diagram at 50 kHz

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Fig. 5. Simulation diagrams of PEM at target frequency of 50 kHz. (a) Frequency-displacement point diagram; (b) surface displacement diagram at 50 kHz; (c) surface stress diagram at 50 kHz

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Fig. 6. LC model of PEM

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Fig. 7. LC model of PEM with R₁=0

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Fig. 8. Relationships between absolute impedance |Z|, resistance component R_e, reactance component X_e, series branch reactance X₁ and frequency f in LC model^[17]

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Fig. 9. Frequency-impedance measurement chart of sample PEM

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Fig. 10. Measured frequency-impedance diagram and LC model simulated frequency-impedance diagram of 20 kHz and 23 kHz standard PEMs. (a) 20 kHz standard PEM; (b) 23 kHz standard PEM

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Fig. 11. Frequency-impedance diagrams of measured and LC model simulated. (a) Piezoelectric quartz resonator 1; (b) piezoelectric quartz resonator 2

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Fig. 12. Frequency-impedance diagrams of measured and LC model simulated. (a) Sample PEM 1; (b) sample PEM 2

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Table 1. Elastic compliance constants of piezoelectric quartz crystal s_ij(20 ℃)^[17]unit: 10^-12 m²·N^-1
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Table 1. Elastic compliance constants of piezoelectric quartz crystal s_ij(20 ℃)^[17]unit: 10^-12 m²·N^-1
s_ij s₁₁ s₃₃ s₁₂ s₁₃ s₅₅ s₆₆ s₁₄
Value 12.77 9.60 -1.79 -1.22 20.04 29.12 4.50

Table 2. Parameters of piezoelectric quartz crystal with target frequency of 50 kHzunit: mm
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Table 2. Parameters of piezoelectric quartz crystal with target frequency of 50 kHzunit: mm
Parameter ofpiezoelectricquartz crystal Length (l₁) Width (w₁) Thickness (t₁)
Value 50.69 19.16 6.48

Table 3. Parameters of fused quartz material in PEM with target frequency of 50 kHzunit: mm
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Table 3. Parameters of fused quartz material in PEM with target frequency of 50 kHzunit: mm
Parameter of fused quartz crystal Length (l₂) Thickness (t₂) Distance from chamfer to vertex (d₂)
Value 52.2 16 16.05

Table 4. Parameters of PEM with a target frequency of 50 kHzunit: mm
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Table 4. Parameters of PEM with a target frequency of 50 kHzunit: mm
Piezoelectric quartz crystal Fused quartz crystal
Length(l₁) Width(w₁) Thickness(t₁) Length(l₂) Thickness(t₂) Distance from chamferto vertex (d₂)
50.69 19.16 6.48 52.2 16.05 16.05

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Yanting Wu, Wei Xiong, Chaobo Li, Zhenheng Hu, Siying Tian. Research and Verification on Resonance Characteristics of Photoelastic Modulator[J]. Acta Optica Sinica, 2021, 41(15): 1523002

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Paper Information

Category: Optical Devices

Received: Dec. 24, 2020

Accepted: Mar. 9, 2021

Published Online: Aug. 11, 2021

The Author Email: Xiong Wei (xiongwei2@ime.ac.cn)

DOI:10.3788/AOS202141.1523002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Elastic compliance constants of piezoelectric quartz crystal s_ij(20 ℃)^[17]unit: 10^-12 m²·N^-1

Table 1. Elastic compliance constants of piezoelectric quartz crystal s_ij(20 ℃)^[17]unit: 10^-12 m²·N^-1

Table 2. Parameters of piezoelectric quartz crystal with target frequency of 50 kHzunit: mm

Table 2. Parameters of piezoelectric quartz crystal with target frequency of 50 kHzunit: mm

Table 3. Parameters of fused quartz material in PEM with target frequency of 50 kHzunit: mm

Table 3. Parameters of fused quartz material in PEM with target frequency of 50 kHzunit: mm

Table 4. Parameters of PEM with a target frequency of 50 kHzunit: mm

Table 4. Parameters of PEM with a target frequency of 50 kHzunit: mm

Table 1. Elastic compliance constants of piezoelectric quartz crystal sij(20 ℃)[17]unit: 10-12 m2·N-1

Table 1. Elastic compliance constants of piezoelectric quartz crystal sij(20 ℃)[17]unit: 10-12 m2·N-1

Table 2. Parameters of piezoelectric quartz crystal with target frequency of 50 kHzunit: mm

Table 2. Parameters of piezoelectric quartz crystal with target frequency of 50 kHzunit: mm

Table 3. Parameters of fused quartz material in PEM with target frequency of 50 kHzunit: mm

Table 3. Parameters of fused quartz material in PEM with target frequency of 50 kHzunit: mm

Table 4. Parameters of PEM with a target frequency of 50 kHzunit: mm

Table 4. Parameters of PEM with a target frequency of 50 kHzunit: mm

Table 1. Elastic compliance constants of piezoelectric quartz crystal s_ij(20 ℃)^[17]unit: 10^-12 m²·N^-1

Table 1. Elastic compliance constants of piezoelectric quartz crystal s_ij(20 ℃)^[17]unit: 10^-12 m²·N^-1