Research on the Structure of an Optical Tomography Sensor Based on Numerical Simulations

Shanen Yu; Wendong Yang; Huajun Li

doi:10.3788/LOP202259.2228001

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 22 >Page 2228001 > Article

Laser & Optoelectronics Progress
Vol. 59, Issue 22, 2228001 (2022)

Research on the Structure of an Optical Tomography Sensor Based on Numerical Simulations

Shanen Yu, Wendong Yang, and Huajun Li^*

Author Affiliations

School of Automation, Hangzhou Dianzi University, Hangzhou 310018, Zhejiang, China

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DOI: 10.3788/LOP202259.2228001 Cite this Article Set citation alerts

Shanen Yu, Wendong Yang, Huajun Li. Research on the Structure of an Optical Tomography Sensor Based on Numerical Simulations[J]. Laser & Optoelectronics Progress, 2022, 59(22): 2228001 Copy Citation Text

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Fig. 1. Flow chart of simulation process

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Fig. 2. Sensitive fields of different structures

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Fig. 3. Light trace diagram (laser 1 working)

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Fig. 4. Structure diagrams of laser photodiode matching array

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Fig. 5. Relative image curve

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Fig. 6. Correlation coefficient curve

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Fig. 7. Hardware of optical tomography

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Target image	5×30	10×30	15×30	30×30	60×30

Table 1. Reconstructed images obtained by changing number of lasers

Scene		5×30	10×30	15×30	30×30	60×30
Scene 1	$γ$	0.1999	0.2150	0.2178	0.2176	0.0689
Scene 1	$C_{C C}$	0.9540	0.9607	0.9608	0.9615	0.9964
Scene 2	$γ$	0.1131	0.1022	0.1156	0.0974	0.1174
Scene 2	$C_{C C}$	0.9744	0.9886	0.9894	0.9940	0.9908
Scene 3	$γ$	0.2058	0.1501	0.1824	0.1553	0.2086
Scene 3	$C_{C C}$	0.9412	0.9723	0.9739	0.9848	0.9667
Scene 4	$γ$	0.2586	0.2243	0.2429	0.2412	0.2398
Scene 4	$C_{C C}$	0.9439	0.9652	0.9671	0.9689	0.9634

Table 2. Relative image error and image correlation coefficient corresponding to table 1

Target image	30×5	30×10	30×15	30×30	30×60

Table 3. Reconstructed images obtained by changing number of photodiodes

Scene		5×30	10×30	15×30	30×30	60×30
Scene 1	$γ$	0.2171	0.2142	0.2181	0.2176	0.1056
Scene 1	$C_{C C}$	0.9473	0.9576	0.9609	0.9615	0.9922
Scene 2	$γ$	0.1410	0.1281	0.1137	0.0974	0.0868
Scene 2	$C_{C C}$	0.9730	0.9867	0.9913	0.9940	0.9917
Scene 3	$γ$	0.2077	0.1938	0.1831	0.1553	0.1665
Scene 3	$C_{C C}$	0.9346	0.9683	0.9760	0.9848	0.9763
Scene 4	$γ$	0.2488	0.2150	0.2409	0.2412	0.2521
Scene 4	$C_{C C}$	0.9418	0.9644	0.9640	0.9689	0.9640

Table 4. Relative image error and image correlation coefficient corresponding to table 3

Scene	$γ$	$C_{C C}$
Scene 1	0.2192	0.9606
Scene 2	0.1798	0.9780
Scene 3	0.2023	0.9623
Scene 4	0.1696	0.9783

Table 5. Image reconstruction of optical tomography static experiment

Shanen Yu, Wendong Yang, Huajun Li. Research on the Structure of an Optical Tomography Sensor Based on Numerical Simulations[J]. Laser & Optoelectronics Progress, 2022, 59(22): 2228001

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