Layout Optimization of Four-Channel Laser Pre-Alignment System for Hefei Advanced Light Facility

Ting Ding; Wei Wang; Xiao Li; Jianglin Xu; Sicheng Zhang; Zhubing Cheng; Enchen Wu; Qiuyu Zhang; Xiaoye He

doi:10.3788/CJL240484

Chinese Journal of Lasers, Volume. 51, Issue 14, 1404003(2024)

Layout Optimization of Four-Channel Laser Pre-Alignment System for Hefei Advanced Light Facility

Ting Ding, Wei Wang, Xiao Li, Jianglin Xu, Sicheng Zhang, Zhubing Cheng, Enchen Wu, Qiuyu Zhang, and Xiaoye He^*

Author Affiliations

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, Anhui , China

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Figures & Tables(11)

Fig. 1. Relation diagram of angular uncertainty

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Fig. 2. Simulation diagram of four-channel laser system. (a) Front view; (b) top view

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Fig. 3. Accuracy changes with angle

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Fig. 4. Accuracy diagram of instrument 3 in different directions when moving in xy plane. (a) $σ_{x}$ in xy plane; (b) $σ_{y}$ in xy plane; (c) $σ_{z}$ in xy plane; (d) $σ$ in xy plane

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Fig. 5. Accuracy diagram of instrument 3 in different directions when moving along z axis

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Table 1. Different laser tracker setting parameter schemes

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Table 1. Different laser tracker setting parameter schemes

Scheme	$α / ″$		γ /µm	$σ_{x}$ /µm	$σ_{y}$ /µm	$σ_{z}$ /µm	$σ$ /µm
Scheme	$α_{H}$	$α_{V}$	γ /µm	$σ_{x}$ /µm	$σ_{y}$ /µm	$σ_{z}$ /µm	$σ$ /µm
①	10	10	10	32.2	13.2	6.4	35.4
②	60	60	10	17.7	6.7	5.2	19.6
③	100	100	10	14.6	6.3	4.2	16.4
④	500	500	10	17.5	6.5	5.1	19.4
⑤	700	700	10	17.5	6.5	5.1	19.4
⑥	1000	1000	10	17.5	6.5	5.1	19.4
⑦	75	100	10	17.4	6.6	5.1	19.3

Table 2. Distance and angle correction number table of USMN weight allocation optimization adjustment
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Table 2. Distance and angle correction number table of USMN weight allocation optimization adjustment
Correction Instrument 0 Instrument 1 Instrument 2 Instrument 3
$M (v_{L})$ /µm 1.9 1.6 1.7 2.0
$E (v_{L})$ /µm 0.5 0.6 0.6 0.7
$\sqrt[]{\frac{v_{L}^{T} v_{L}}{n}}$ /µm 0.8 0.8 0.9 0.7
$M (v_{A})$ /″ 172.6 100.2 160.7 126.0
$E (v_{A})$ /″ 42.0 35.1 46.5 47.0

Table 3. Comparative results based on USMN weight allocation optimization and beam method adjustment
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Table 3. Comparative results based on USMN weight allocation optimization and beam method adjustment
Contrastvalue /µm USMN weight optimization algorithm Beam method adjustment
$σ_{x}$ 14.6 17.6
$σ_{y}$ 6.3 6.6
$σ_{z}$ 4.2 4.7
$σ$ 16.4 19.4

Table 4. Comparison between USMN weight allocation optimization adjustment and default USMN
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Table 4. Comparison between USMN weight allocation optimization adjustment and default USMN
Correction /µm Instrument 0 Instrument 1 Instrument 2 Instrument 3
$E (v_{L})$ 0.5 0.6 0.6 0.7
$E (v_{L}^{'})$ 309.0 323.1 260.1 82.1

Table 5. Layout coordinate table

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Table 5. Layout coordinate table

Layout coordinate /mm	Instrument 0	Instrument 1	Instrument 2	Instrument 3
Regular tetrahedron	(-4000, 0, 0)	(4000, 0, 0)	(0, 4000, 0)	(0, 1333, -3000)
Right-angled regular triangular pyramid	(-4000, 0, 0)	(4000, 0, 0)	(0, 4000, 0)	(0, 4000, -3000)
A straight triangular pyramid with an acute-angled triangle on top	(-4000, 0, 0)	(4000, 0, 0)	(0, 6000, 0)	(0, 6000, -3000)
A straight triangular pyramid with an obtuse triangle on top	(-4000, 0, 0)	(4000, 0, 0)	(0, 3000, 0)	(0, 3000, -3000)

Table 6. Fitting error table for different layouts

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Table 6. Fitting error table for different layouts

Scheme	Layout	$σ_{x}$ /μm	$σ_{y}$ /μm	$σ_{z}$ /μm	$σ$ /μm	PDOP
①	Regular tetrahedron	17.3	11.6	7.9	22.2	1.664
②	Right-angled regular triangular pyramid	14.6	6.3	4.2	16.4	1.596
③	A straight triangular pyramid with an acute-angled triangle on top	20.0	7.1	8.1	22.7	1.586
④	A straight triangular pyramid with an obtuse triangle on top	5.9	13.8	7.5	16.8	1.728

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Ting Ding, Wei Wang, Xiao Li, Jianglin Xu, Sicheng Zhang, Zhubing Cheng, Enchen Wu, Qiuyu Zhang, Xiaoye He. Layout Optimization of Four-Channel Laser Pre-Alignment System for Hefei Advanced Light Facility[J]. Chinese Journal of Lasers, 2024, 51(14): 1404003

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Paper Information

Category: Measurement and metrology

Received: Jan. 11, 2024

Accepted: Mar. 27, 2024

Published Online: Jul. 10, 2024

The Author Email: He Xiaoye (xyhe@ustc.edu.cn)

DOI:10.3788/CJL240484

CSTR:32183.14.CJL240484

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Different laser tracker setting parameter schemes

Table 1. Different laser tracker setting parameter schemes

Table 2. Distance and angle correction number table of USMN weight allocation optimization adjustment

Table 2. Distance and angle correction number table of USMN weight allocation optimization adjustment

Table 3. Comparative results based on USMN weight allocation optimization and beam method adjustment

Table 3. Comparative results based on USMN weight allocation optimization and beam method adjustment

Table 4. Comparison between USMN weight allocation optimization adjustment and default USMN

Table 4. Comparison between USMN weight allocation optimization adjustment and default USMN

Table 5. Layout coordinate table

Table 5. Layout coordinate table

Table 6. Fitting error table for different layouts

Table 6. Fitting error table for different layouts