Argon branching ratios for spectral-intensity calibration

D. L. Adams; W. Whaling

doi:10.1364/JOSA.71.001036

Journal of the Optical Society of America
Vol. 71,
Issue 8,
pp. 1036-1038
(1981)
•https://doi.org/10.1364/JOSA.71.001036

Argon branching ratios for spectral-intensity calibration

D. L. Adams and W. Whaling

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D. L. Adams and W. Whaling, "Argon branching ratios for spectral-intensity calibration," J. Opt. Soc. Am. 71, 1036-1038 (1981)

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Abstract

Branching ratios have been measured for 104 emission lines from 24 levels in Ar i and Ar II. These branching ratios may be used to calibrate the relative detection efficiency of a spectrometer over the 2900–23000-Å wavelength range.

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		A_ij/A_io (%)

Upper Level	λ (Å)^a	This Experiment	Ref. 6
1	2891.61	0.21 ±5	–
Ar II	2979.05	0.48 ± 5	–
$4 p^{'} {{}^{2}P}_{1 / 2}^{\circ}$	4131.73	1	–
	4474.76	0.323 ± 3	–
2	2942.89	0.67 ± 5	–
Ar II	3033.51	0.126 ±5	–
$4 p^{'} {{}^{2}P}_{3 / 2}^{\circ}$	3766.12	0.099 ± 4	–
	4237.22	0.139 ± 2	0.21
	4277.52	1	1
	4530.55	0.0251 ± 4	–
	4598.76	0.082 ± 3	–
3	3139.01	0.39 ± 7	0.53
Ar II	3169.67	0.43 ± 6	0.43
4d ⁴P_5/2	3868.52	1	1
4 Ar II	3249.80	0.77 ± 7	0.91
4d ⁴P_3/2	3932.55	1	1
5 Ar II	3350.93	0.85 ± 5	0.75
4d′ ²F_5/2	3718.21	1	1
6 Ar II	3491.54	2.9 ± 4	3.2
4d ⁴D_7/2	3780.84	1	1
7	4348.06	6.8 ±5	–
Ar II	6643.72	1	–
$4 p {{}^{4}D}_{7 / 2}^{\circ}$	10683.05	0.095 ± 10	–
8	4371.33	0.388 ± 3	0.40
Ar II	4400.10	0.288 ± 3	0.28
$4 p {{}^{4}P}_{3 / 2}^{\circ}$	4420.91	0.057 ± 5	0.057
	4735.91	1	1
	4933.21	0.243 ± 3	0.25
	5062.04	0.381 ± 2	0.38
9	4637.23	0.335 ± 2	0.39
Ar II	5017.16	1	–
$4 p^{'} {{}^{2}F}_{5 / 2}^{\circ}$	6172.29	0.92 ± 4	–
10	4609.56	1	1
Ar II	4904.75	0.044 ± 2	0.049
$4 p^{'} {{}^{2}F}_{7 / 2}^{\circ}$	5141.79	0.099 ± 2	0.104
	6114.93	0.235 ± 4	–
11	5451.65	0.46 ± 4	0.37
Ar i	5888.58	1	1
$7 s {[3 / 2]}_{2}^{\circ}$	5942.67	0.17 ± 10	0.14
	6170.17	0.41 ±3	0.39
12 Ar i	5912.09	1	1
$4 d^{'} {[3 / 2]}_{1}^{\circ}$	6766.61	0.45 ± 5	0.40
13	6243.12	0.60 ± 11	–
Ar II	6399.21	0.11 ±13	–
$4 p {{}^{2}D}_{5 / 2}^{\circ}$	10110.6	0.036 ± 20	–
	10467.2	1	–
14	6416.31	0.44 ± 3	0.44
Ar i	7030.25	1	1
$6 s {[3 / 2]}_{2}^{\circ}$	7107.48	0.175 ± 4	0.17
	7435.37	0.37 ± 3	0.34
15	6437.60	0.11 ± 10	–
Ar II	6861.27	1	–
$4 p {{}^{2}P}_{3 / 2}^{\circ}$	8771.85	1.25 ± 6	–
	10923.4	0.56 ± 4	–
16	6752.84	1	1
Ar i	7891.08	0.42 ± 5	0.49
$4 d {[3 / 2]}_{2}^{\circ}$	8605.78	0.56 ± 4	0.54
	8761.69	0.48 ± 4	0.49
17	6871.29	3.1 ±4	3.0
Ar i	7670.04	0.25 ± 6	0.30
$4 d {[1 / 2]}_{1}^{\circ}$	8053.31	0.84 ± 3	0.94
	8620.46	1	1
	8678.40	0.36 ± 4	–
	8799.08	0.52 ± 4	0.50
	8962.19	0.17 ±6	0.18
	10068.9	0.34 ± 3	–
18	9194.64	1	1
Ar i	10683.4	0.086 ± 1	0.11
$5 s^{'} {[1 / 2]}_{1}^{\circ}$	11248.4	0.023 ± 5	0.14
	11441.8	1.07 ± 2	0.80
	12621.6	0.22 ± 1	0.19
	12746.2	1.08 ± 1	1.1
	13008.5	(≥4.7)^b	5.1
	15989.5	1.33 ± 1	1.06
19	9486.06	0.036 ± 15	–
Ar i	10892.3	0.68 ± 1	–
$3 d^{'} {[5 / 2]}_{2}^{\circ}$	11687.6	0.75 ± 1	–
	11896.6	1	–
	13992.8	0.31 ±4	–
20	9951.87	0.033 ± 2	–
Ar i	11719.5	1	1
$3 d {[3 / 2]}_{1}^{\circ}$	12402.9	(≥12.3)^b	11.2
	12638.5	0.141 ± 2	–
	14093.6	(≥7.7)^b	4.5
	14249.2	0.68 ± 1	–
	14577.5	0.049 ± 2	–
	15030.5	0.122 ± 1	–
	18427.8	0.77 ± 3	–
21	12554.4	1	1
Ar i	12802.7	(≥37)^b	46
$3 d {[5 / 2]}_{2}^{\circ}$	13622.4	(≥64)^b	59
	13907.4	2.52 ± 1	–
	15883.1	0.55 ± 2	–
	16860.0	0.047 ± 7	–
22	15329.3	0.46 ± 1	0.48
Ar i	16519.9	1	1
$3 d {[3 / 2]}_{2}^{\circ}$	19965.7	0.225 ± 1	–
	20616.2	1.52 ± 1	1.52
	21534.2	0.40 ± 1	0.41
23	12956.6	–	56
Ar i	16122.7	0.276 ± 2	0.28
$3 d {[1 / 2]}_{1}^{\circ}$	17444.9	1.00 ± 1	–
	17914.6	5.6 ± 1	–
	20986.1	1.95 ± 1	–
	21332.8	0.194 ± 2	0.23
	22077.1	1	1
	23133.2	0.83 ± 2	1.2
24 Ar i	22039.6	1	1
$3 d {[1 / 2]}_{0}^{\circ}$	23966.5	3.1 ± 2	2.9

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Journal of the Optical Society of America