Effect of Minimum Baseline Length on Integrated Interferometric Systems

Fig. 5. Recovery results of observation objective 1 at different minimum baseline lengths (linear field of view 200 m). (a) 1 mm; (b) 2 mm; (c) 3 mm; (d) 4 mm; (e) 5 mm; (f) 6 mm

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Fig. 6. Recovery results of observation objective 2 at different minimum baseline lengths (linear field of view 200 m). (a) 1 mm; (b) 2 mm; (c) 3 mm; (d) 4 mm; (e) 5 mm; (f) 6 mm

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Fig. 7. Recovery results of observation objective 3 at different minimum baseline lengths (linear field of view 200 m). (a) 1 mm; (b) 2 mm; (c) 3 mm; (d) 4 mm; (e) 5 mm; (f) 6 mm

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Fig. 8. Recovery results of observation objective 1 at different minimum baseline lengths (linear field of view 100 m). (a) 1 mm; (b) 2 mm; (c) 3 mm; (d) 4 mm; (e) 5 mm; (f) 6 mm

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Fig. 9. Recovery results of observation objective 2 at different minimum baseline lengths (linear field of view 100 m). (a) 1 mm; (b) 2 mm; (c) 3 mm; (d) 4 mm; (e) 5 mm; (f) 6 mm

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Fig. 10. Recovery results of observation objective 3 at different minimum baseline lengths (linear field of view 100 m). (a) 1 mm; (b) 2 mm; (c) 3 mm; (d) 4 mm; (e) 5 mm; (f) 6 mm

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Table 1. Simulation parameter of SPIDER system

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Table 1. Simulation parameter of SPIDER system

Parameter	Value
Wavelength $λ$ /nm	1600
Observation distance $z$ /km	600
Microlens diameter $D$ /mm	1
Microlens focal length $f$ /mm	10
Number of interference arms $M$	87
Number of microlenses per column $N$	104
Linear field $X$ /m	200 100
Angular field $θ_{F O V}$ /（°）	$\begin{array}{l} 1 . 14^{'} \\ 0 . 57^{'} \end{array}$

Table 2. RMSE and PSNR corresponding to the recovered image at a field of view of 200 m

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Table 2. RMSE and PSNR corresponding to the recovered image at a field of view of 200 m

Image	Evaluation metric	Lens distance /mm
Image	Evaluation metric	1	2	3	4	5	6
Fig. 4（a）	RMSE	89.8945	89.6899	119.0260	113.4020	119.1140	112.0430
Fig. 4（a）	PSNR /dB	9.0561	9.0759	6.6179	7.0384	6.6115	7.1431
Fig. 4（b）	RMSE	96.9002	96.7268	129.5950	126.1650	127.0960	128.5600
Fig. 4（b）	PSNR /dB	8.4043	8.4199	5.8790	6.1120	6.0482	5.9487
Fig. 4（c）	RMSE	107.3200	107.2600	138.9920	128.5290	130.9190	133.2670
Fig. 4（c）	PSNR /dB	7.5172	7.5220	5.2710	5.9508	5.7907	5.6364
Average	RMSE	98.0382	97.8922	129.2040	122.6990	125.7100	124.6230
Average	PSNR /dB	8.3259	8.3393	5.9226	6.3671	6.1501	6.2427

Table 3. RMSE and PSNR corresponding to the recovered image at a field of view of 100 m

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Table 3. RMSE and PSNR corresponding to the recovered image at a field of view of 100 m

Image	Evaluation metric	Lens distance /mm
Image	Evaluation metric	1	2	3	4	5	6
Fig. 4（a）	RMSE	89.6507	90.1033	89.8676	90.1259	114.9750	119.1210
Fig. 4（a）	PSNR /dB	9.0797	9.0360	9.0587	9.0338	6.9187	6.6110
Fig. 4（b）	RMSE	97.0087	97.1276	97.0658	97.2557	129.2460	129.8130
Fig. 4（b）	PSNR /dB	8.3946	8.3840	8.3895	8.3725	5.9025	5.8644
Fig. 4（c）	RMSE	111.5010	107.4812	107.2060	107.4350	139.2170	139.1460
Fig. 4（c）	PSNR /dB	7.1853	7.5042	7.5265	7.5079	5.2570	5.2614
Average	RMSE	99.3868	98.2373	98.0465	98.2722	127.8130	129.3600
Average	PSNR /dB	8.2199	8.3081	8.3249	8.3047	6.0261	5.9123

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Zhen Zhang, Xuefeng Zeng, Yang Liu, Lingjie Wang, Xuejun Zhang. Effect of Minimum Baseline Length on Integrated Interferometric Systems[J]. Acta Optica Sinica, 2024, 44(23): 2311004

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Paper Information

Category: Imaging Systems

Received: Jul. 25, 2024

Accepted: Sep. 2, 2024

Published Online: Dec. 16, 2024

The Author Email: Zeng Xuefeng (zxf@ciomp.ac.cn), Liu Yang (liu9527aaa@163.com), Wang Lingjie (wanglingjie@126.com)

DOI:10.3788/AOS241355

CSTR:32393.14.AOS241355

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology