Laser Spectroscopic Investigations of Praseodymium I Transitions: New Energy Levels

Table 2

New odd levels discovered as lower levels of the excited transitions.

New odd lower level			Investigated/observed spectral line			Combining even upper level				Observed fluorescence decay of the even upper level			Final level of the decay
𝐽	Energy/cm^−1	A/MHz	λ/Å	C.	SNR	𝐽	Energy/cm^−1	A/MHz	Ref. To Col. 9	λ/Å	C.	SNR	𝐽	Energy/cm^−1
3/2	11992.788	225 (2)	5592.594	nl	30	5/2	29868.604	805 (1)	This work
			5612.128	nl, f	1	5/2	29806.394	779 (3)	This work				+
			5635.687	e	40	5/2	29731.957	774 (3)	This work	4818.968	cl	10	3/2	8986.421
			5703.786	e	30	3/2	29520.139	24 (5)	This work	4868.681	cl	15	3/2	8986.421
			5746.61	nl, e	1	5/2	29389.516	749 (2)	This work	5089.150	cl	30	5/2	9745.334
			5798.372	e	38	3/2	29234.227	1038 (4)	[13]	5525.571	nl	20	5/2	11141.576
			5832.58	nl, e	1	5/2	29133.111	684 (3)	[19]	4962.215	cl	23	3/2	8986.421
			5882.885		32	3/2	28986.540	637 (4)	[13]
			5916.167	e	30	5/2	28890.950	765 (4)	[13]	5022.587	cl	37	3/2	8986.421
			6188.963	nl	20	3/2	28146.114	874 (4)	This work
			6251.794	nl, f	1	3/2	27983.773	723 (5)	[13]
			6416.478	nl, f	5	5/2	27573.343	747 (3)	[13]
			6458.657	e	10	5/2	27471.606	755 (4)	[13]	5408.240	nl	22	3/2	8986.421
			6551.942	nl	6	5/2	27251.230	335 (6)	[13]
13/2	15347.431	674 (2)	5359.55	nl, f	5	15/2	34000.50	462 (2)	This work
			5415.298		10	15/2	33808.503	480 (6)	This work
			5632.008	e	10	15/2	33098.154	480 (1)	This work	5454.430	nl	6	15/2	14769.529
			5658.46	nl, f	1	13/2	33015.188	570 (2)	This work
			5786.87	nl, e	1	13/2	32623.126	591 (2)	This work	5434.186	nl	1	11/2	14226.220
			5824.04	nl, e	1	13/2	32512.894	595 (15)	This work	4872.926	cl	20	11/2	9483.518
			5847.09	nl, e	1	13/2	32445.227	666 (1)	This work	6155.861	cl	14	13/2	16205.041
			5868.310	nl, e	12	15/2	32383.385	573 (2)	This work	3570.114	nl	9	15/2	4381.072
			5871.61	nl, e	1	11/2	32373.816	660 (1)	This work	4906.194	cl	12	11/2	11997.137
			5884.389	e	18	15/2	32336.849	475 (2)	This work	5747.837	nl	30	17/2	14943.825
			5896.28	e	6	13/2	32302.560	571 (3)	This work	3393.941	nl	12	13/2	2846.741
			6044.092	e	9	15/2	31887.920	563 (4)	This work	3442.400	nl	15	13/2	2846.741
			6253.81	nl, e	6	13/2	31333.250	576 (4)	This work	5554.82	nl	18	13/2	13335.868
			6265.263	nl	7	13/2	31304.033	622 (1)	This work
			6297.43	nl, e	1	11/2	31222.519	596 (6)	This work	5025.4	nl	4	9/2	11329.696
			6353.15	nl, f	1	11/2	31083.290	620 (2)	This work
			6455.085	nl	7	13/2	30834.807	666 (1)	This work
			6502.304	e	6	13/2	30722.335	679 (4)	This work	3586.348	nl	4	13/2	2846.741
			6554.134		9	13/2	30600.763	656 (2)	This work
			6693.514		5	15/2	30283.139	475 (5)	[19]
			6711.57	nl	1	15/2	30242.928	462 (5)	This work
			6966.875	nl	6	11/2	29697.090	784 (3)	[19]
			9000.200	nl	10	13/2	26455.240	637 (5)	[5]
			9080.342	nl	5	11/2	26357.200	745 (5)	[5]
15/2	15399.063	889 (2)	5430.487	nl	3	15/2	33808.503	480 (6)	This work
			5643.260		32	17/2	33114.399	422 (2)	This work
			5648.44	nl, e	1	15/2	33098.154	480 (2)	This work	5917.931	cl	10	13/2	16205.041
			5704.20	nl, e	1	17/2	32925.138	562 (2)	This work	5559.785	nl	5	17/2	14943.825
			5886.15	nl, f	1	15/2	32383.385	573 (2)	This work
			5902.322	nl, e	6	15/2	32336.849	475 (2)	This work	5690.809	nl	15	15/2	14769.529
			6063.02	nl, e	1	15/2	31887.920	563 (4)	This work	3442.400	nl	15	13/2	2846.741
			6195.60	nl, e	1	13/2	31535.092	509 (3)	This work	3314.865	nl	5	11/2	1376.602
			6298.97	nl, f	1	15/2	31270.290	579 (2)	This work
			6424.668	nl	8	15/2	30959.764	573 (5)	This work
15/2	16180.200	883 (2)	5651.35	nl	5	13/2	33870.186	594 (3)	This work
			5851.804	nl	6	17/2	33264.211	545 (2)	This work
			6399.562		19	17/2	31801.951	503 (3)	This work
			6429.23	nl	4	13/2	31729.874	432 (2)	This work
			6567.346	nl, e	1	15/2	31402.846	631 (2)	This work	5918.088	cl	10	15/2	13565.490
			6625.036	nl, e	5	15/2	31270.290	579 (2)	This work	5557.136	nl	8	17/2	13280.404
			8009.742	nl	3	15/2	28661.560	550 (2)	This work
13/2	16205.041	732 (3)	5554.308		20	15/2	34204.080	442 (2)	This work
			5617.85	nl, e	l	15/2	34000.515	462 (2)	This work	5359.557	nl	1	13/2	15347.431
			5663.129	nl	8	15/2	33858.230	467 (5)	This work
			5679.13	nl, e	1	15/2	33808.503	480 (6)	This work	5506.819	cl	50	13/2	15654.235
			5917.931	e	10	15/2	33098.154	480 (2)	This work	5506.798	cl	17	17/2	14943.825
			5947.143	nl, f	10	13/2	33015.188	570 (2)	This work
			6050.93	nl, e	1	13/2	32726.817	565 (3)	This work	5554.632	nl	4	11/2	14728.843
			6071.057	nl, e	10	11/2	32672.078	529 (3)	This work	4835.418	cl	17	11/2	11997.137
			6155.861		14	13/2	32445.227	666 (1)	This work
			6179.393	f	7	15/2	32383.385	573 (2)	This work
			6374.618	nl, f	10	15/2	31887.920	563 (4)	This work

C: Comment; nl: new line, not listed in commonly used wavelength tables; cl: classification of a “known” line (i.e., listed as praseodymium line but not yet classified); e: excited line; f: observed as fluorescence line.