Absorption Spectrum of the Argon Atom in the Vacuum-Ultraviolet Region

Kouichi Yoshino

doi:10.1364/JOSA.60.001220

Journal of the Optical Society of America
Vol. 60,
Issue 9,
pp. 1220-1229
(1970)
•https://doi.org/10.1364/JOSA.60.001220

Absorption Spectrum of the Argon Atom in the Vacuum-Ultraviolet Region

Kouichi Yoshino

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Kouichi Yoshino, "Absorption Spectrum of the Argon Atom in the Vacuum-Ultraviolet Region," J. Opt. Soc. Am. 60, 1220-1229 (1970)

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Abstract

The absorption spectrum of atomic argon below 1000 Å has been investigated with a 6.65-m vacuum spectrograph and with the helium continuum for background. The expected five ns and nd Rydberg series have been extended as far as lines with n about 50 and greater. The ionization energies obtained are 127 109.9±0.1 cm⁻¹ and 128 541.8±0.3 cm⁻¹ for ${{}^{2}P}_{\frac{3}{2}}^{0}$ and ${{}^{2}P}_{\frac{1}{2}}^{0}$ states of Ar ii, respectively. Strong interactions between nd and nd′ series are observed as perturbations and autoionizations. Six additional (weak) Rydberg series are identified as electric-quadrupole transitions to 3p⁵np and 3p⁵nf levels.

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n	λ_obs (Å)	I^a	ν (cm⁻¹)	ν_obs−ν_perv^b	n*
4
5	879.948	70	113 643.1	0.1	2.8546
6	835.001	56	119 760.3	0.1	3.8640
7	816.463	41	122 479.5	0.1	4.8682
8	806.869	42	123 935.8	−0.1	5.8798^e
9	801.394	41	124 782.6	−0.1	6.8667
10	797.882	15	125 331.8	−0.1	7.8559^e
11	795.447	30	125 715.4	−0.1	8.8708
12	793.750	42	125 984.3	0.0	9.874
13	792.513	28	126 180.9	−0.4	10.868^e
14	791.566	30	126 331.8	−0.2	11.88
15	790.840^c	60	126 447.9		12.88
16	790.266	36	126 539.6		13.87
17	789.803	36	126 613.9		14.87
18	789.425	33	126 674.4		15.87
19	789.113	30	126 724.5		16.87
20	788.841	36	126 768.3		17.92^e
21	788.629	34	126 802.3		18.89
22	788.440^d	59	126 832.8		19.90
∞			127 110.2±0.4

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_perv	n*
3	876.058	100^d	114 147.6	−0.1	2.9096
4	834.390	78	119 848.0	0.2	3.8873
5	816.231	69	122 514.4	0.1	4.8866
6	806.470	67	123 997.1^e		5.9374^f
7	801.357	51	124 788.3	0.0	6.8751
8	797.595	53	125 376.9^e		7.9575^f
9	795.430	49	125 718.1	0.0	8.8794
10	793.781	42	125 979.4		9.852
11	792.367	47	126 204.1		11.007^f
12	791.551	42	126 334.2		11.89
13	790.840^a	60	126 447.9		12.87
14	790.270	45	126 539.0		13.86
15	789.813	34	126 612.3		14.85
16	789.440	29	126 672.0		15.83
17	789.140	18	126 720.2		16.78^f
18	788.827	41	126 770.5		17.98^f
19	788.623	40	126 803.2		18.92
20	788.440^b	59	126 832.8		19.90
21	788.280	41	126 858.5		20.89
22	788.141	36	126 880.8		21.89
23	788.020	37	126 900.4		22.89
24	787.913	36	126 917.5		23.88
25	787.819	38	126 932.7		24.89
26	787.736	40	126 946.1		25.88
27	787.661	39	126 958.1		26.89
28	787.595	39	126 968.8		27.89
29	787.535	36	126 978.5		28.90
30	787.482	36	126 987.0		29.88
31	787.434	34	126 994.8		30.88
32	787.389	33	127 002.0		31.89
33	787.349	32	127.008.4		32.88
34	787.312	32	127 014.4		33.9
35	787.280	30	127 019.7		34.9
36	787.249	29	127 024.7		35.9
37	787.220	29	127 029.3		36.9
38	787.194	28	127 033.5		37.9
39	787.170	26	127 037.3		38.9
40	787.148	25	127 041.0		39.9
41	787.128	25	127 044.2		40.9
42	787.108	25	127 047.7		41.9
43	787.090	24	127 050.3		42.9
44	787.074	22	127 052.8		43.8
45	787.058	21	127 055.5		44.9
46	787.044	17	127 057.7		45.9
47	787.030	14	127 059.9		46.9
48	787.017	12	127 062.0		47.9
49	787.006	10	127 063.9		48.8
50	786.994	9	127 065.7		49.8
51	786.984	6	127 067.4		50.8
52	786.973	4	127 069.2		51.9
53	786.964	3	127 070.6		52.8
54	786.955	3	127 072.0		53.8
55	786.947	2	127 073.4		54.8
56	786.938^c	0	127 074.9		56.0
57	786.929^c	0	127 076.2		57.1
58	786.923^c	0	127 077.3		58.0
∞			127 109.9±0.1

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_perv	n*
3	894.310	52	111 818.0	−0.1	2.6788
4	842.806	43	118 651.3	−0.1	3.6018
5	820.123	43	121 932.9	0.0	4.6040
6	809.928	35	123 467.7	−0.3	5.4890^b
7	802.859	32	124 554.8	−0.1	6.5534
8	799.132	36	125 135.8	0.0	7.4557^b
9	796.095	30	125 613.1	0.0	8.5623
10	794.291	27	125 898.5	−0.1	9.518
11	793.025	35	126 099.4	0.0	10.421^b
12	791.811	30	126 292.7	0.0	11.59^b
13	791.059	29	126 412.9	0.0	12.55
14	790.451	22	126 510.1	0.1	13.53
15	789.962	9	126 588.3		14.50
16	789.568	23	126 651.5		15.47
17	789.257	34	126 701.4		16.39^b
18	788.863	30	126 764.7		17.83^b
19	788.686	30	126 793.2		18.61
20	788.496	29	126 823.8		19.58
21	788.329	28	126 850.6		20.57
22	788.185	24	126 873.8		21.56
23	788.059	20	126 894.0		22.54
24	787.948	19	126 911.9		23.54
25	787.850	17	126 927.7		24.54
26	787.763	16	126 941.7		25.54
27	787.688	14	126 953.9		26.52
28	787.619	15	126 965.0		27.52
29	787.557	14	126 975.0		28.52
30	787.500	13	126 984.0		29.52
31	787.450	12	126 992.2		30.53
32	787.403	12	126 999.7		31.56
33	787.361	10	127 006.5		32.58
34	787.322^a	10	127 012.7		33.6
∞			127 110.0±0.4

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
4
5	869.754	73	114 975.0	0.0	2.8440
6	825.345	66	121 161.5	0.2	3.8560
7	807.219	39	123 882.1	−0.2	4.8528
8	797.747	38	125 353.1	−0.2	5.8663
9	792.320	43	126 211.6	0.1	6.8624
10	788.902	34	126 758.5^b		7.8444
11	786.506	63	127 144.6	−9.6^c	8.8623
12	784.845	57	127 413.7	7.7	9.863
13	783.627	43	127 611.8	6.8	10.863
14	782.705	31	127 762.0	4.0	11.86
15	781.992	24	127 878.5	−1.5^d	12.86
16	781.427	23	127 971.0	−6.0	13.87
17	780.975	21	128 045.0	−6.0	14.86
18	780.606	15	128 105.6	−6.4	15.86
19	780.300	13	128 155.8	−6.2	16.86
20	780.044	13	128 197.9	−5.1	17.86
21	779.828	11	128 233.4	−1.6	18.86
22	779.645	11	128 263.5	−4.5	19.86
23	779.486	11	128 289.6	−4.4	20.86
24	779.350^a	29	128 312.1	−6.9	21.86
25	779.230	27	128 331.8	−5.2	22.86
26	779.126	25	128 349.0	−4.0	23.86
27	779.034	25	128 364.1	−5.9	24.85
28	778.952	23	128 377.6	−5.4	25.85
29	778.879	22	128 389.6	−4.4	26.85
30	778.814	21	128 400.4	−3.6	27.86
31	778.756	19	128 410.0	−3.0	28.86
32	778.703	18	128 418.7	−3.3	29.86
33	778.655	18	128 426.5		30.85
34	778.612	17	128 433.7		31.86
35	778.572	14	128 440.3		32.88
36	778.537	14	128 446.1		33.9
37	778.504	14	128 451.5		34.9
38	778.474	13	128 456.5		35.9
39	778.447	11	128 461.0		36.9
40	778.420	9	128 465.4		37.9
41	778.396	8	128 469.3		38.9
42	778.379	8	128 472.7		39.9
43	778.354	6	128 476.2		40.9
44	778.335	5	128 479.4		41.9
45	778.319	4	128 482.0		42.8
46	778.302	4	128 484.8		43.9
47	778.286	3	128 487.5		44.9
48	778.273	2	128 489.6		45.9
49	778.260	2	128 491.8		46.9
50	778.247	1	128 493.9		47.9
51	778.237	1	128 495.5		48.7
52	778.224	1	128 497.7		49.9
∞			128 541.8±0.3

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
3	866.801	68	115 366.7	−0.2	2.8860
4	826.364	60	121 012.0	0.1	3.8175
5	807.655	28	123 815.3	−0.2	4.8184
6	798.173	26	125 286.2	0.0	5.8058
7	792.632	25	126 161.9^b		6.7904
8	789.031	39	126 737.7^b		7.7991
9	786.59^a		127 131	−3.0^c	8.821
10	784.90		127 404	2	9.822
11	783.67		127 605	3	10.82
12	782.74		127 756	−1	11.82
13	782.02		127 874	−6^d	12.82
14	781.45		127 967	−10	13.82
15	780.99		128 042	−9	14.82
16	780.62		128 103	−9	15.82
17	780.31		128 154	−8	16.8
18	780.05		128 196	−7	17.8
19	779.84		128 232	−3	18.8
20	779.65		128 262	−6	19.8
21	779.49		128 289	−6	20.8
∞			128 541.8±0.5

n	λ_obs (Å)	I^b	ν (cm⁻¹)	ν_obs−ν_prev	n*
4	946.816	15	105 617.1	−0.2	2.2596
5	854.705	13	116 999.4	0.0	3.2945
6	825.141	12	121 191.4	−0.5	4.3059
7	811.552	10	123 220.7	0.0	5.3118
8	804.138	7	124 356.7	0.0	6.3133
9	799.616	5	125 060.0	0.2	7.3166
10	796.665	4	125 523.2		8.3162
11	794.619	4	125 846.5		9.320
12	793.151	4	126 079.4		10.319
13	792.059	3	126 253.3		11.32
14	791.222	2	126 386.7		12.32
15	790.559	4	126 492.8		13.34
16	790.046	2	126 574.9		14.32
17	789.625	1	126 642.4		15.32
∞			127 109.6±0.6

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
4	941.288	14	106 237.4	−0.2	2.2929
5	853.361	12	117 183.7	0.0	3.3249
6	824.603	8	121 270.5	−0.2	4.3350
7	811.339^a		123 253.1		5.334
	811.282	5	123 261.7	0.1	5.3401
8	804.017^a		124 375.5		6.335
	803.981	3	124 381.1	0.1	6.3414
9	799.537^a		125 072.4		7.339
	799.518	2	125 075.3	0.4	7.3340
10	796.612^a		125 531.6		8.338
	796.599	2	125 533.7	−0.1	8.3439
11	794.580^a		125 852.6		9.34
	794.574	2	125 853.6	−0.2	9.346
12	793.115	1	126 085.1		10.348
13	792.033	1	126 257.4		11.35
14	791.202	1	126 390.0		12.35
15	790.535	2	126 496.6		13.38
∞			127 110.0±0.5

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
4	932.058	15	107 289.5	−0.2	2.2723
5	844.100	12	118 469.4	0.3	3.3007
6	815.429	9	122 634.9	−0.2	4.3188
7	802.190	7	124 658.6	0.1	5.3159
8	794.964^a	5	125 791.8	−0.1	6.3170
∞			128 563±24

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
4	832.062^a		120 183.4		3.980
	832.025	7	120 188.7	0.0	3.9818
5	815.107^a		122 683.6		4.979
	815.087	5	122 686.3	−0.1	4.9807
6	806.201^a		124 038.3		5.997
	806.186	5	124 040.9	−0.5	5.9793
7	800.914	3	124 857.3	−0.1	6.9796
8	⋯^b
9	795.236	3	125 748.8	−0.1	8.979
10	793.598	2	126 008.4		9.981
11	⋯^c
12	791.482		126 345.3		11.98
13	790.771		126 458.8		12.98
14	790.210		126 548.6		13.98
15	789.756^d		126 621.4		14.99
16	789.387^d		126 680.5		15.99
17	789.077^d		126 730.3		17.00
∞			127 111±3

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
4	831.770^a		120 225.5		3.993
	831.738	5	120 230.2	0.1	3.9938
5	814.965^a		122 704.7		4.991
	814.942	4	122 708.1	−0.1	4.9930
6	806.135^a		124 048.7		5.987
	806.119	4	124 051.2	−0.5	5.9897
7	800.882^a		124 862.4		6.988
	800.864	2	124 865.2	0.0	6.9919
8	⋯
9	795.212	1	125 752.7		8.9919
10	793.586	1	126 010.3		9.990
11	⋯
12	791.478		126 345.9		11.98
13	790.768		126 459.3		12.99
14	790.208		126 549.0		13.99
15	789.756^b		126 621.4		14.99
16	789.387^b		126 680.5		15.99
17	789.077^b		126 730.3		17.00
∞			127 111±3

n	λ_obs (Å)	I	ν (cm⁻¹)	ν_obs−ν_prev	n*
4	821.999	6	124 654.6	0.0	3.9917
5	805.602^a		124 130.7		4.988
	805.560	4	124 137.3	−0.2	4.9914
6	796.949^a		125 478.5		5.985
	796.918	3	125 483.4	0.1	5.9900
7	⋯^b
∞			128 540±10

Electron configuration	$n d^{'} {(\frac{3}{2})}_{1} °$	$n s^{'} {(\frac{1}{2})}_{1} °$
$n d {(\frac{1}{2})}_{1} °$	2800	0^b
$n d {(\frac{3}{2})}_{1} °$	1200	0^b
$n s {(\frac{3}{2})}_{1} °$	0^b	130

n	I_peak	n*	Γ_n _obs (cm⁻¹)	Γ_n _calc^a(cm⁻¹)
9	0.35	8.821	64.4	64.1
10	0.33	9.822	46.4	46.4
11	0.30	10.82	34.4	34.7
12	0.30	11.82	25.8	26.6
13	0.30	12.82	20.4	20.9
14	0.30	13.82	15.2	16.7
15	0.30	14.82	12.1	13.5
16	0.30	15.82	10.2	11.1
17	0.30	16.82	9.2	9.2
18	0.30	17.82	8.6	7.8
19	0.30	18.82	6.6	6.6

Abstract

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Figures (7)

Tables (13)

Equations (2)

Journal of the Optical Society of America