Optical cavity self-collimation research method based on image processing

Jingrun Li; Mudi Xiong; Zengbao Zhang

doi:10.11884/HPLPB202032.190457

Journals >High Power Laser and Particle Beams >Volume 32 >Issue 5 >Page 051002 > Article

High Power Laser and Particle Beams
Vol. 32, Issue 5, 051002 (2020)

Optical cavity self-collimation research method based on image processing

Jingrun Li^1、2, Mudi Xiong¹, and Zengbao Zhang^2、*

Author Affiliations

¹Dalian Maritime University, Institute of Information Technology, Dalian 116026, China

²Key Laboratory of Chemical Lasers, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China

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DOI: 10.11884/HPLPB202032.190457 Cite this Article

Jingrun Li, Mudi Xiong, Zengbao Zhang. Optical cavity self-collimation research method based on image processing[J]. High Power Laser and Particle Beams, 2020, 32(5): 051002 Copy Citation Text

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Fig. 1. System structure diagram

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Fig. 2. Structure diagram of software development platform

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Fig. 3. Optical design simulation platform

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Fig. 4. Optical design simulation results

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Fig. 5. Single frame images

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Fig. 6. Imaging effect

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Fig. 7. System hardware pictures

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number of pixels on the left of the center of the circle	number of pixels on the right of the center of the circle	left and right difference absolute value	number of pixels above the center of the circle (top)	number of pixels under the center of the circle (bottom)	top and bottom difference absolute value
150 710	150 363	347	161 115	139 907	21 208
118 446	118 944	−498	127 191	110 187	17 004
105 721	109 406	−3 685	115 120	99 954	15 166
134 828	127 356	7 472	146 931	115 076	31 855
119 957	120 749	−792	128 397	112 287	16 110
153 853	143 298	10 555	166 214	130 755	35 459
127 163	111 782	15 381	132 566	106 240	26 326
152 432	155 565	−3 133	162 320	145 630	16 690
169 367	171 146	−1 779	188 648	151 679	36 969
173 025	173 278	−253	185 219	160 984	24 235
107 727	108 901	−1 174	119 281	97 274	22 007
119 220	114 936	4 284	124 845	104 233	20 612
142 698	137 765	4 933	149 384	131 028	18 356
168 131	168 945	−814	179 462	157 529	21 933
149 420	155 244	−5 824	167 163	137 327	29 836
158 102	152 588	5 514	166 537	144 063	22 474
143 257	128 863	14 394	149 602	122 352	27 250
116 565	116 573	−8	126 613	106 466	20 147
106 954	110 558	−3 604	119 237	98 239	20 998
165 295	161 699	3 596	180 566	146 267	34 299
139 435	138 201	1 234	146 345	131 259	15 086
171 428	170 506	922	188 178	153 594	34 584
114 648	116 670	−2 022	122 574	108 725	13 849
165 974	163 659	2 315	179 532	149 950	29 582
109 090	113 982	−4 892	119 492	103 546	15 946
147 150	138 862	8 288	157 155	128 744	28 411
173 151	173 071	80	185 642	160 464	25 178
170 118	169 454	664	178 271	161 243	17 028

Table 1. Interference concentric ring does not deflect，the number of pixels and the difference between the bright dots on the top，bottom，left and right of the interference concentric ring

number of pixels on the left of the center of the circle	number of pixels on the right of the center of the circle	left and right difference absolute value	number of pixels above the center of the circle (top)	number of pixels under the center of the circle (bottom)	top and bottom difference absolute value
67 212	223 701	156 489	151 545	139 233	12 312
67 991	203 445	135 454	146 220	125 106	21 114
80 378	159 390	79 012	132 451	107 161	25 290
81 498	176 257	94 759	140 036	117 521	22 515
70 015	207 060	137 045	146 641	130 362	16 279
73 964	185 315	111 351	142 908	116 171	26 737
83 102	148 089	64 987	124 351	106 768	17 583
76 410	176 770	100 360	137 860	115 292	22 568
64 843	223 274	158 431	151 498	136 499	14 999
73 207	193 419	120 212	144 665	121 746	22 919
75 443	176 401	100 958	136 013	115 828	20 185
72 769	218 649	145 880	155 244	136 114	19 130
68 176	203 582	135 406	145 230	126 419	18 811
83 543	143 003	59 460	121 431	105 134	16 297
78 941	163 106	84 165	130 758	111 323	19 435
85 203	140 712	55 509	121 341	104 546	16 795
76 948	187 198	110 250	142 288	121 877	20 411
67 792	215 021	147 229	151 313	131 361	19 952
75 851	179 249	103 398	137 720	117 315	20 405
72 056	205 191	133 135	148 111	128 942	19 169
80 447	161 401	80 954	133 824	107 848	25 976
73 018	199 858	126 840	148 344	124 334	24 010
81 293	160 227	78 934	133 233	108 159	25 074
72 407	207 401	134 994	148 165	131 639	16 526
17 664	211 257	193 593	121 110	107 674	13 436
28 033	200 805	172 772	119 806	108 880	10 926
18 512	204 730	186 218	116 223	106 931	9 292
21 188	212 485	191 297	124 590	108 919	15 671

Table 2. Interference concentric ring is deflected to the right，the number of pixels and the difference between the bright dots on the top，bottom，left and right of the interference concentric ring

number of pixels on the left of the center of the circle	number of pixels on the right of the center of the circle	left and right difference absolute value	number of pixels above the center of the circle (top)	number of pixels under the center of the circle (bottom)	top and bottom difference absolute value
192 314	52 255	140 059	142 574	101 844	40 730
229 577	47 856	181 721	157 423	119 803	37 620
214 631	47 848	166 783	149 527	112 862	36 665
202 363	46 299	156 064	143 299	105 297	38 002
203 765	49 982	153 783	147 673	105 863	41 810
228 985	48 638	180 347	155 875	121 537	34 338
210 921	53 734	157 187	145 497	119 082	26 415
226 174	48 803	177 371	152 282	122 542	29 740
191 768	51 614	140 154	142 192	101 021	41 171
199 888	50 107	149 781	145 717	104 109	41 608
230 226	45 781	184 445	153 651	122 207	31 444
197 829	48 687	149 142	144 154	102 274	41 880
198 439	48 554	149 885	143 359	103 545	39 814
228 478	48 736	179 742	155 472	121 550	33 922
221 287	48 660	172 627	152 940	116 790	36 150
188 684	50 234	138 450	138 092	100 775	37 317
227 902	50 225	177 677	156 301	121 616	34 685
216 518	21 413	195 105	137 346	100 353	36 993
218 200	22 530	195 670	138 716	101 831	36 885
209 917	23 301	186 616	136 289	96 786	39 503
223 064	20 969	202 095	141 508	102 315	39 193
225 719	20 984	204 735	143 473	102 999	40 474
208 883	22 815	186 068	136 065	95 463	40 602
221 445	22 227	199 218	141 612	101 866	39 746
225 780	21 538	204 242	143 149	103 926	39 223
200 232	26 669	173 563	128 817	97 983	30 834
210 864	23 623	187 241	137 469	96 836	40 633
203 253	26 655	176 598	133 668	96 141	37 527

Table 3. The interference concentric ring is deflected to the left，and the number of pixels and the difference between the bright dots on the top，bottom，left，and right of the interference concentric ring are deflected

number of pixels on the left of the center of the circle	number of pixels on the right of the center of the circle	left and right difference absolute value	number of pixels above the center of the circle (top)	number of pixels under the center of the circle (bottom)	top and bottom difference absolute value
136 172	132 298	3 874	227 325	41 119	186 206
129 489	122 733	6 756	200 340	51 887	148 453
126 496	116 854	9 642	201 074	42 183	158 891
121 423	128 708	−7 285	220 518	29 574	190 944
137 995	128 368	9 627	222 623	43 685	178 938
128 997	128 443	554	230 754	26 714	204 040
132 453	120 362	12 091	196 773	56 054	140 719
134 189	133 298	891	231 966	35 508	196 458
134 525	120 377	14 148	209 976	44 841	165 135
137 203	128 560	8 643	215 032	50 688	164 344
129 555	124 647	4 908	208 360	45 885	162 475
132 845	124 594	8 251	204 053	53 392	150 661
119 411	124 457	−5 046	209 126	34 684	174 442
128 035	130 239	−2 204	229 146	29 125	200 021
122 666	110 222	12 444	222 546	10 494	212 052
128 976	116 031	12 945	233 039	12 078	220 961
129 350	120 178	9 172	240 208	9 465	230 743
121 845	113 214	8 631	223 511	11 672	211 839
126 511	113 857	12 654	226 685	13 777	212 908
131 166	114 407	16 759	234 193	11 500	222 693
122 526	117 807	4 719	230 761	9 719	221 042
131 432	120 228	11 204	240 533	11 251	229 282
124 978	117 650	7 328	235 412	7 384	228 028
127 081	115 916	11 165	231 248	11 860	219 388
125 773	115 399	10 374	229 051	12 224	216 827
121 264	114 572	6 692	224 936	11 026	213 910
129 720	119 720	10 000	238 693	10 875	227 818
129 597	114 550	15 047	235 807	8 494	227 313

Table 4. The interference concentric ring is deflected upward，and the number of pixels and the difference between the bright dots on the top，bottom，left and right of the interference concentric ring

number of pixels on the left of the center of the circle	number of pixels on the right of the center of the circle	left and right difference absolute value	number of pixels above the center of the circle (top)	number of pixels under the center of the circle (bottom)	top and bottom difference absolute value
131 272	144 841	−13 569	49 313	226 819	177 506
125 072	134 698	−9 626	36 692	223 023	186 331
132 521	146 542	−14 021	43 455	235 617	192 162
122 593	143 530	−20 937	51 478	214 616	163 138
132 688	135 034	−2 346	43 453	224 261	180 808
130 408	144 669	−14 261	41 760	233 318	191 558
133 906	137 991	−4 085	46 098	225 792	179 694
127 261	135 658	−8 397	35 985	226 913	190 928
119 619	121 666	−2 047	37 033	204 231	167 198
132 054	140 840	−8 786	50 785	222 172	171 387
124 653	145 920	−21 267	59 007	211 560	152 553
116 229	126 427	−10 198	36 656	205 946	169 290
121 717	125 277	−3 560	35 769	211 203	175 434
132 177	137 829	−5 652	50 487	219 528	169 041
132 867	130 443	2 424	106 279	156 975	50 696
142 770	140 968	1 802	104 139	179 479	75 340
129 679	143 125	−13 446	69 603	203 178	133 575
132 483	151 991	−19 508	71 387	213 094	141 707
139 753	153 992	−14 239	71 849	221 839	149 990
132 423	153 088	−20 665	71 420	214 095	142 675
139 085	139 757	−672	91 837	186 924	95 087
135 971	134 909	1 062	97 702	173 093	75 391
142 437	157 671	−15 234	78 107	221 921	143 814
136 040	133 516	2 524	108 136	161 317	53 181
130 392	141 900	−11 508	63 580	208 716	145 136
130 815	135 792	−4 977	103 930	162 699	58 769
129 485	135 176	−5 691	73 770	190 890	117 120
133 012	138 664	−5 652	22 155	249 612	227 457

Table 5. The interference concentric ring is deflected downward，and the number of pixels and the difference between the bright dots on the top，bottom，left and right of the interference concentric ring

Jingrun Li, Mudi Xiong, Zengbao Zhang. Optical cavity self-collimation research method based on image processing[J]. High Power Laser and Particle Beams, 2020, 32(5): 051002

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