Optimization Design of Optical System for On-Site Underground Injection Water Particle Size Detection

Deli Jia; Quanbin Wang; Boshi Dang; Siyu Jin; Ying Liu

doi:10.3788/LOP57.191901

Laser & Optoelectronics Progress, Volume. 57, Issue 19, 191901(2020)

Optimization Design of Optical System for On-Site Underground Injection Water Particle Size Detection

Deli Jia¹, Quanbin Wang¹, Boshi Dang^2、*, Siyu Jin^2,3, and Ying Liu²

Author Affiliations

¹Research Institute of Petroleum Exploration & Development, PetroChina Company Limited, Beijing 100083, China;

²Precision Instrument and Equipment R & D Center, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China;

³University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(10)

Fig. 1. Schematic of on-site particle size detection system based on optical scattering principle

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Fig. 2. Ring detector and Mie scattering light energy distribution. (a) Structural diagram of ring detector; (b) Mie scattering light energy distribution at ring detector

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Fig. 3. Light path map of Fourier transformation imaging system

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Fig. 4. Spot pattern under each aperture position. (a) No.1 position; (b) No.2 position

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Fig. 5. Intensity distribution of light scattered by spherical particles

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Fig. 6. Normalized light energy coefficient

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Fig. 7. Fourier transformation imaging lens. (a) Object; (b) imaging effect

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Fig. 8. Principle prototype. (a) Structure; (b) object

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Table 1. Parameters for optical system
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Table 1. Parameters for optical system
Parameter Value
Wavelength /μm 0.64
Aperture /mm 8
Focal length /mm 50
Field of view /(°) 17
Image radius /mm 15

Table 2. Test errors of principle prototype
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Table 2. Test errors of principle prototype
Standard value /μm Measurement value /μm Error /%
5.0 5.23 4.6
10.9 11.22 2.9
27.0 27.19 0.7

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Deli Jia, Quanbin Wang, Boshi Dang, Siyu Jin, Ying Liu. Optimization Design of Optical System for On-Site Underground Injection Water Particle Size Detection[J]. Laser & Optoelectronics Progress, 2020, 57(19): 191901

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