Predictions of far-infrared laser lines from 14NH3 and 15NH3

Eva M. Frank; C. O. Weiss; K. Siemsen; M. Grinda; G. D. Willenberg

doi:10.1364/OL.7.000096

Optics Letters
Vol. 7,
Issue 3,
pp. 96-98
(1982)
•https://doi.org/10.1364/OL.7.000096

Predictions of far-infrared laser lines from ¹⁴NH₃ and ¹⁵NH₃

Eva M. Frank, C. O. Weiss, K. Siemsen, M. Grinda, and G. D. Willenberg

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Eva M. Frank, C. O. Weiss, K. Siemsen, M. Grinda, and G. D. Willenberg, "Predictions of far-infrared laser lines from ¹⁴NH₃ and ¹⁵NH₃," Opt. Lett. 7, 96-98 (1982)

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Abstract

We have used the precise molecular constants of the ν₂ vibration of ¹⁴NH₃ and ¹⁵NH₃ together with the accurately known frequencies of the various CO₂ and N₂O laser lines to calculate the coincidences between pump laser lines and NH₃ absorption lines that could lead to cw FIR laser emission. We have experimentally examined the coincidences between NH₃ absorption lines and ¹²C¹⁶CO₂ laser lines, providing information about up to which quantum numbers J, K laser emission can be expected. FIR power measurements confirm the expected good efficiency of NH₃ FIR lasers.

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Laser Molecule and Isotopic Species^a	Band^b	Laser Line	NH₃ Absorption Line	Frequency Difference^c	Wavelength(s) of Directly Pumped FIR Laser Line(s) (μm)
Laser Molecule and Isotopic Species^a	Band^b	Laser Line	NH₃ Absorption Line	Frequency Difference^c	Rotational	Inversion
¹⁵NH₃
628	Reg. I	P 5	sQ (2, 2)	20		291.03
626	003 I	R 8	sQ (2, 2)	425		291.03
N₂O	Reg. I	R29	sQ (3, 0)	−283	108.10	309.00
N₂O	Reg. I	R29	sQ (3, 1)	334	107.80	306.70
828	Seq. I	P 5	sQ (3, 3)	−148		289.60
626	Hot C	R 3	aQ (4, 0)	442	209.5
646	Reg. II	P24	sQ (4, 2)	−106	89.17	312.87
626	Reg. I	R 0	sQ (4, 3)	18	88.18	301.80
626	Seq. I	P35	aQ (4, 3)	−17	218.60
626	003 I	R 6	sQ (5, 4)	−374	74.96	302.20
636	Reg. I	R18	aQ (5, 4)	31	152.74
626	Hot D	R 6	aQ (6, 1)	−393	111.16
628	Reg. I	P40	aQ (6, 2)	−437	111.87
626	Seq. I	P31	aQ (6, 2)	−27	111.87
N₂O	Reg. I	P 8	aQ (7, 3)	−442	90.99
828	Reg. I	P10	sQ (7, 5)	−234	58.53	323.99
848	Reg. II	P30	sQ (7, 7)	−468		272.93
N₂O	Reg. I	P 4	aQ (8, 1)	−88	75.38
626	003 I	P28	aQ (8, 4)	−46	76.80
626	003 I	R 2	sQ (8, 8)	174		266.34
838	Reg. I	R12	aQ (9, 1)	−127	64.96
N₂O	Seq. I	P 7	sQ (9, 2)	−115	49.97	450.65
838	Reg. I	R 4	aQ (9, 5)	359	66.53
N₂O	Reg. I	P 2	aQ (10, 3)	118	57.43
828	Seq. I	P11	sQ (10, 5)	112	45.23	429.04
626	Hot D	R 8	aQ (10, 5)	147	58.17
N₂O	Seq. I	P11	sQ (10, 9)	116	42.51	286.73
636	Seq. I	R43	aQ (11, 2)	31	51.08
828	Seq. I	P11	sQ (11, 3)	286	42.66	541.97
636	Reg. I	R34	aQ (11, 4)	66	51.43
628	Reg. I	P34	aQ (11, 4)	125	51.43
828	Seq. I	P35	aQ (11, 4)	400	51.;43
628	Reg. I	P12	sQ (11, 5)	−460	42.12	481.46
626	003 I	P24	aQ (11, 5)	−114	51.72
828	Reg. I	P16	sQ (11, 9)	402	39.92	320.94
626	Hot C	P 5	aQ (11, 9)	−258	54.21
626	Reg. I	P 8	sQ (11, 10)	−303	39.06	280.51
636	Seq. I	R 9	aQ (11, 10)	−274	55.39
848	Reg. II	P32	sQ (12, 1)	415	40.08	654.99
N₂O	Reg. I	R22	sQ (12, 3)	2Î2	39.87	616.25
N₂O	Reg. I	R 1	aQ (12, 3)	−438	46.27
N₂O	Reg. I	R21	sQ (12, 5)	−255	39.44	546.52
838	Reg. I	R46	sQ (12, 8)	490	38.24	410.55
626	Seq. I	P 7	sQ (12, 11)	−3	36.11	273.44
626	Hot D	P14	aQ (12, 11)	466	50.23
626	Hot C	R37	sQ (12, 12)	−122		233.08
626	Hot C	R21	aQ (13, 2)	−478	42.17
N₂O	Reg. I	R 3	aQ (13, 3)	−11	42.24
848	Reg. II	P34	sQ (13, 5)	−332	37.09	628.26
628	Reg. I	P32	aQ (13, 5)	−354	42.48
626	Hot D	R16	aQ (13, 5)	89	42.48
N₂O	Seq, I	P12	sQ (13, 6)	−439	36.83	578.23
636	Reg. I	R34	aQ (13, 6)	160	42.67
628	Reg. I	P34	aQ (13, 6)	219	42.67
828	Seq. I	P35	aQ (13, 6)	494	42.67
626	Seq. I	P 5	sQ (13, 7)	−6	36.51	524.93
828	Seq. I	P15	sQ (13, 7)	−221	36.51	524.93
626	Hot C	R 1	aQ (13, 9)	−417	43.67
646	Reg. II	P34	sQ (13, 11)	191	34.37	312.14
828	Reg. I	P16	aQ (14, 0)	−208	38.81
626	Reg. I	P 6	sQ (14, 1)	−18	35.46	893.71
628	Reg. I	P13	sQ (14, 1)	−21	35.46	893.71
828	Reg. I	P16	sQ (14, 5)	−296	35.03	733.46
626	003 I	P18	aQ (14, 5)	−200	39.07
626	Reg. I	P 8	sQ (14, 6)	380	34.81	673.02
628	Reg. I	P1S	sQ (14, 6)	132	34.81	673.02
626	003 I	P20	aQ (14, 6)	342	39.20
828	Seq. I	P33	aQ (14, 6)	466	39.20
838	Reg. I	R44	sQ (14, 7)	−455	34.55	609.44
848	Reg. II	P36	sQ (14, 7)	−277	34.55	609.44
636	Reg. I	R18	aQ (14, 10)	−362	40.28
N₂O	Seq. I	P24	aQ (15, 3)	−18	36.08
626	Hot C	R41	sQ (15, 4)	41	33.33	946.52
636	Seq. I	R51	aQ (15, 4)	−26	36.13
N₂O	Seq. I	P13	sQ (15, 5)	83	33.19	874.81
848	Reg. II	P48	aQ (15, 5)	368	36.20
636	Reg. I	R40	aQ (15, 6)	211	36.30
N₂0	Reg. I	R16	sQ (15, 8)	92	32.53	639.91
636	Reg. I	R52	sQ (15, 14)	−60	29.35	248.17
636	Reg. I	R52	aQ (16, 0)	80	33.61
626	Reg. I	P 8	sQ (16, 2)	68	31.83	1356.18
628	Reg. I	P15	sQ (16, 2)	−180	31.83	1356.18
626	003 I	P12	aQ (16, 3)	299	33.66
626	Reg. I	P20	aQ (16, 5)	−282	33.76
626	Hot C	R23	aQ (16, 5)	−233	33.76
N₂O	Seq. I	P25	aQ (16, 5)	400	33.76
N₂O	Reg. I	R16	sQ (16, 7)	−16	31.22	866.92
828	Reg. I	P20	sQ (16, 8)	32	31.00	765.38
626	Hot D	R28	sQ (16, 13)	349	29.03	352.12
636	Seq. I	R 9	aQ (16, 13)	422	35.38
636	Reg. I	R48	sQ (16, 15)	−212	27.60	238.76
626	Reg. I	R42	aR (2, 0)	−26	373.35
626	Reg. I	R40	aR (2, 2)	−363	386.56
628	Reg. II	P16	sR (4, 2)	−482	76.70	329.51
838	Reg. II	R40	aR (5, 1)	−332	111.16
626	Reg. II	R10	aR (6, 0)	−125	89.70
628	Reg. II	R40	sR (6, 5)	−397	58.53	323.99
626	Seq. II	R 7	aR (6, 5)	122	93.63
628	Reg. II	R40	sR (6, 6)	56	57.55	299.40
¹⁴NH₃
636	Seq. I	P27	sP (4, 1)	−450	106.22	295.63
636	Hot C	P19	sP (5, 4)	−164	276.92
636	Hot D	P40	sP (6, 2)	479	75.88	317.04
N₂O	Reg. I	R37	sQ (1, 0)	−51	180.29
N₂O	Reg. I	R37	sQ (1, 1)	295		281.06
628	Reg. I	R 1	sQ (2, 2)	−437		280.79
646	Reg. II	P18	sQ (3, 1)	−67	106.22	295.63
N₂O	Reg. I	P 8	aQ (3, 2)	−335	404.14
828	Seq. I	R 1	sQ (4, 2)	386	88.08	301.38
N₂O	Seq. I	R 2	sQ (5, 1)	−147	76.31	323.87
626	Seq. I	R 9	sQ (6, 1)	−388	67.13	344.24
N₂O	Reg. I	R34	sQ (6, 2)	−244	66.81	336.96
636	Seq. I	R27	aQ (6, 5)	297	119.03
828	Reg. I	P38	aQ (7, 3)	−405	91.73
628	Reg. I	P 2	sQ (7, 5)	−51	58.01	311.67
628	Reg. I	P32	aQ (8, 0)	154	75.72
N₂O	Reg. I	R32	sQ (8, 3)	−60	53.87	378.81
848	Reg. I	P24	sQ (8, 4)	370	53.41	360.33
628	Reg. I	P 3	sQ (8, 5)	−83	52.80	337.98
828	Seq.	P 3	sQ (8, 7)	−331	51.09	285.38
636	Seq. I	R23	aQ (8, 7)	0	81.47
N₂O	Reg. I	P13	aQ (8, 7)	−4	81.47
628	Reg. I	P 3	sQ (9, 0)	−326	49.82
646	Reg. II	P22	sQ (9, 3)	−464	49.36	415.35
N₂O	Reg. I	R31	sQ (9, 3)	−240	49.36	415.35
828	Seq. I	P 3	sQ (9, 4)	394	48.99	394.97
626	Reg. I	R 2	sQ (9, 5)	−178	48.51	370.35
628	Reg. I	P 4	sQ (9, 5)	389	48.51	370.35
N₂O	Seq. I	P 3	sQ (9, 9)	−335		250.00
N₂O	Seq. I	P27	aQ (10, 1)	317	57.29
838	Reg. I	R20	aQ (10, 2)	283	57.42
628	Reg. I	P32	aQ (10, 4)	76	57.95
828	Seq. I	P35	aQ (10, 5)	−475	58.40
N₂O	Seq. I	P 3	sQ (10, 6)	484	44.43	379.10
636	Seq. I	R35	aQ (10, 6)	66	59.00
N₂O	Seq. I	P 4	sQ (10, 8)	−21	43.08	310.97
626	003 I	R 6	sQ (10, 9)	349	42.19	276.18
848	Reg. II	P26	sQ (11, 1)	112	42.66	547.73
N₂O	Reg. I	R29	sQ (11, 3)	156	42.40	516.23
626	Hot D	R16	aQ (11, 5)	−68	51.87
626	003 I	R 4	sQ (11, 10)	−417	38.78	270.19
626	Reg. I	P 2	sQ (11, 11)	−451		233.96
628	Reg. I	P 9	sQ (11, 11)	−95		233.96
628	Reg. I	P 6	sQ (12, 2)	−93	39.79	609.02
628	Reg. I	P26	aQ (12, 2)	−426	46.24
626	Seq. I	R 3	sQ (12, 3)	252	39.65	586.34
N₂O	Reg. I	R28	sQ (t2, 3)	−348	39.65	586.34
848	Reg. II	P28	sQ (12, 5)	−202	39.21	520.37
N₂O	Reg. I	R 2	aQ (12, 5)	128	46.71
626	003 I	R 6	sQ (13, 1)	−417	37.44	721.24
628	Reg. I	P 7	sQ (13, 2)	−435	37.37	704.01
636	Reg. I	R50	aQ (13, 2)	499	42.20
626	003 I	I	aQ (13, 4)	283	42.39
N₂O	Reg. I	R 6	aQ (13, 4)	222	42.39
626	003 I	P18	aQ (13, 6)	23	42.73
636	Reg. I	R36	aQ (13, 7)	−29	42.99
628	Reg. I	P10	sQ (13, 8)	102	35.90	448.25
N₂O	Reg. I	R24	sQ (13, 8)	−95	35.90	448,25
838	Reg. I	R10	aQ (13, 8)	117	43.34
828	Seq. I	P13	sQ (13, 13)	329		216.09
626	003 I	P10	aQ (14, 2)	14	38.85
626	Hot C	R29	aQ (14, 2)	−105	38.85
838	Reg. I	R50	sQ (14, 10)	373	33.16	399.79
328	Reg. I	P16	sQ (14, 12)	−380	31.92	293.93
N₂O	Reg. I	P29	aQ (14, 13)	−9	42.60
626	003 I	P 2	sQ (14, 14)	−41		206.72
628	Reg. I	P 9	sQ (15, 0)	−268	33.45
626	Reg. I	P 2	sQ (15, 1)	480	33.44	1054.14
626	Seq. I	pu	aQ (15, 1)	−336	35.99
838	Reg. I	R34	aQ (15, 2)	190	36.01
626	003 I	P12	aQ (15, 5)	−23	36.19
848	Reg. II	P32	sQ (15, 7)	−300	32.64	684.57
838	Reg. I	1U2	aQ (15, 9)	−237	36.81
828	Seq. I	P15	sQ (15, 11)	379	31.17	401.14
626	Seq. I	P39	aQ (15, 12)	−399	37.78
636	Seq. I	PI	aQ (15, 14)	471	39.57
626	003 I	R 2	sQ (16, 3)	460	31.67	1256.53
646	Reg. II	P36	aQ (16, 3)	−243	33.61
626	Reg. I	P 4	sQ (16, 4)	−21	31.57	1155.57
628	Reg. I	P11	sQ (16, 4)	176	31.57	1155.57
626	Reg. I	P16	aQ (16, 5)	95	33.72
646	Reg. II	P 38	aQ (16, 5)	−486	33.72
626	Seq. I	P23	aQ (16, 9)	−275	34.18
838	Reg. I	R 4	aQ (16, 11)	−344	34.64
N₂O	Reg. I	P20	aQ (16, 13)	439	35.46
N₂O	Seq. I	P17	sQ (16, 14)	−233	28.20	279.73
626	Seq. II	P17	sR (3, 2)	−248	88.08	301.38
626	Seq. II	P51	aR (3, 2)	−241	218.34
626	Seq. II	P17	sR (3, 3)	151	87.09	290.91
636	Reg. II	P 8	aR (3, 3)	−78	223.93
626	Seq. II	P31	aR (4, 2)	−375	149.12
626	Reg. II	R30	sR (5, 0)	175	67.23
626	Reg. II	R30	sR (5, 1)	338	67.13	344.24
626	Seq. II	P 7	aR (5, 1)	90	112.31
828	Seq. II	P35	aR (5, 4)	−414	116.28
628	Reg. II	R 1	aR (6, 3)	−181	91.73

Pump Laser Line	NH₃ Absorption Line	λ FIR (μm)
¹⁴NH₃
626 Seq. II P(7)	aR(5, 1)	112.3
¹⁵NH₃
626 Seq. II R(7)	aR(6, 5)	93.6
626 Seq. I P(5)	sQ(13, 7)	524.0
626 Seq. II P(7)	sQ(12, 11)	273.4

Pump Laser Line	λ FIR (μm)	FIR Power/Pump Power (mW/W)
¹⁴NH₃
N₂O I P(13)	81.7	40	8
¹⁵NH₃
Reg. I R (42)	373.4	23	16
626 Seq. I P(35)	218.6	23	7
626 Seq. I P(31)	111.9	11	8

Laser Molecule and Isotopic Species^a	Band^b	Laser Line	NH₃ Absorption Line	Frequency Difference^c	Wavelength(s) of Directly Pumped FIR Laser Line(s) (μm)
Laser Molecule and Isotopic Species^a	Band^b	Laser Line	NH₃ Absorption Line	Frequency Difference^c	Rotational	Inversion
¹⁵NH₃
628	Reg. I	P 5	sQ (2, 2)	20		291.03
626	003 I	R 8	sQ (2, 2)	425		291.03
N₂O	Reg. I	R29	sQ (3, 0)	−283	108.10	309.00
N₂O	Reg. I	R29	sQ (3, 1)	334	107.80	306.70
828	Seq. I	P 5	sQ (3, 3)	−148		289.60
626	Hot C	R 3	aQ (4, 0)	442	209.5
646	Reg. II	P24	sQ (4, 2)	−106	89.17	312.87
626	Reg. I	R 0	sQ (4, 3)	18	88.18	301.80
626	Seq. I	P35	aQ (4, 3)	−17	218.60
626	003 I	R 6	sQ (5, 4)	−374	74.96	302.20
636	Reg. I	R18	aQ (5, 4)	31	152.74
626	Hot D	R 6	aQ (6, 1)	−393	111.16
628	Reg. I	P40	aQ (6, 2)	−437	111.87
626	Seq. I	P31	aQ (6, 2)	−27	111.87
N₂O	Reg. I	P 8	aQ (7, 3)	−442	90.99
828	Reg. I	P10	sQ (7, 5)	−234	58.53	323.99
848	Reg. II	P30	sQ (7, 7)	−468		272.93
N₂O	Reg. I	P 4	aQ (8, 1)	−88	75.38
626	003 I	P28	aQ (8, 4)	−46	76.80
626	003 I	R 2	sQ (8, 8)	174		266.34
838	Reg. I	R12	aQ (9, 1)	−127	64.96
N₂O	Seq. I	P 7	sQ (9, 2)	−115	49.97	450.65
838	Reg. I	R 4	aQ (9, 5)	359	66.53
N₂O	Reg. I	P 2	aQ (10, 3)	118	57.43
828	Seq. I	P11	sQ (10, 5)	112	45.23	429.04
626	Hot D	R 8	aQ (10, 5)	147	58.17
N₂O	Seq. I	P11	sQ (10, 9)	116	42.51	286.73
636	Seq. I	R43	aQ (11, 2)	31	51.08
828	Seq. I	P11	sQ (11, 3)	286	42.66	541.97
636	Reg. I	R34	aQ (11, 4)	66	51.43
628	Reg. I	P34	aQ (11, 4)	125	51.43
828	Seq. I	P35	aQ (11, 4)	400	51.;43
628	Reg. I	P12	sQ (11, 5)	−460	42.12	481.46
626	003 I	P24	aQ (11, 5)	−114	51.72
828	Reg. I	P16	sQ (11, 9)	402	39.92	320.94
626	Hot C	P 5	aQ (11, 9)	−258	54.21
626	Reg. I	P 8	sQ (11, 10)	−303	39.06	280.51
636	Seq. I	R 9	aQ (11, 10)	−274	55.39
848	Reg. II	P32	sQ (12, 1)	415	40.08	654.99
N₂O	Reg. I	R22	sQ (12, 3)	2Î2	39.87	616.25
N₂O	Reg. I	R 1	aQ (12, 3)	−438	46.27
N₂O	Reg. I	R21	sQ (12, 5)	−255	39.44	546.52
838	Reg. I	R46	sQ (12, 8)	490	38.24	410.55
626	Seq. I	P 7	sQ (12, 11)	−3	36.11	273.44
626	Hot D	P14	aQ (12, 11)	466	50.23
626	Hot C	R37	sQ (12, 12)	−122		233.08
626	Hot C	R21	aQ (13, 2)	−478	42.17
N₂O	Reg. I	R 3	aQ (13, 3)	−11	42.24
848	Reg. II	P34	sQ (13, 5)	−332	37.09	628.26
628	Reg. I	P32	aQ (13, 5)	−354	42.48
626	Hot D	R16	aQ (13, 5)	89	42.48
N₂O	Seq, I	P12	sQ (13, 6)	−439	36.83	578.23
636	Reg. I	R34	aQ (13, 6)	160	42.67
628	Reg. I	P34	aQ (13, 6)	219	42.67
828	Seq. I	P35	aQ (13, 6)	494	42.67
626	Seq. I	P 5	sQ (13, 7)	−6	36.51	524.93
828	Seq. I	P15	sQ (13, 7)	−221	36.51	524.93
626	Hot C	R 1	aQ (13, 9)	−417	43.67
646	Reg. II	P34	sQ (13, 11)	191	34.37	312.14
828	Reg. I	P16	aQ (14, 0)	−208	38.81
626	Reg. I	P 6	sQ (14, 1)	−18	35.46	893.71
628	Reg. I	P13	sQ (14, 1)	−21	35.46	893.71
828	Reg. I	P16	sQ (14, 5)	−296	35.03	733.46
626	003 I	P18	aQ (14, 5)	−200	39.07
626	Reg. I	P 8	sQ (14, 6)	380	34.81	673.02
628	Reg. I	P1S	sQ (14, 6)	132	34.81	673.02
626	003 I	P20	aQ (14, 6)	342	39.20
828	Seq. I	P33	aQ (14, 6)	466	39.20
838	Reg. I	R44	sQ (14, 7)	−455	34.55	609.44
848	Reg. II	P36	sQ (14, 7)	−277	34.55	609.44
636	Reg. I	R18	aQ (14, 10)	−362	40.28
N₂O	Seq. I	P24	aQ (15, 3)	−18	36.08
626	Hot C	R41	sQ (15, 4)	41	33.33	946.52
636	Seq. I	R51	aQ (15, 4)	−26	36.13
N₂O	Seq. I	P13	sQ (15, 5)	83	33.19	874.81
848	Reg. II	P48	aQ (15, 5)	368	36.20
636	Reg. I	R40	aQ (15, 6)	211	36.30
N₂0	Reg. I	R16	sQ (15, 8)	92	32.53	639.91
636	Reg. I	R52	sQ (15, 14)	−60	29.35	248.17
636	Reg. I	R52	aQ (16, 0)	80	33.61
626	Reg. I	P 8	sQ (16, 2)	68	31.83	1356.18
628	Reg. I	P15	sQ (16, 2)	−180	31.83	1356.18
626	003 I	P12	aQ (16, 3)	299	33.66
626	Reg. I	P20	aQ (16, 5)	−282	33.76
626	Hot C	R23	aQ (16, 5)	−233	33.76
N₂O	Seq. I	P25	aQ (16, 5)	400	33.76
N₂O	Reg. I	R16	sQ (16, 7)	−16	31.22	866.92
828	Reg. I	P20	sQ (16, 8)	32	31.00	765.38
626	Hot D	R28	sQ (16, 13)	349	29.03	352.12
636	Seq. I	R 9	aQ (16, 13)	422	35.38
636	Reg. I	R48	sQ (16, 15)	−212	27.60	238.76
626	Reg. I	R42	aR (2, 0)	−26	373.35
626	Reg. I	R40	aR (2, 2)	−363	386.56
628	Reg. II	P16	sR (4, 2)	−482	76.70	329.51
838	Reg. II	R40	aR (5, 1)	−332	111.16
626	Reg. II	R10	aR (6, 0)	−125	89.70
628	Reg. II	R40	sR (6, 5)	−397	58.53	323.99
626	Seq. II	R 7	aR (6, 5)	122	93.63
628	Reg. II	R40	sR (6, 6)	56	57.55	299.40
¹⁴NH₃
636	Seq. I	P27	sP (4, 1)	−450	106.22	295.63
636	Hot C	P19	sP (5, 4)	−164	276.92
636	Hot D	P40	sP (6, 2)	479	75.88	317.04
N₂O	Reg. I	R37	sQ (1, 0)	−51	180.29
N₂O	Reg. I	R37	sQ (1, 1)	295		281.06
628	Reg. I	R 1	sQ (2, 2)	−437		280.79
646	Reg. II	P18	sQ (3, 1)	−67	106.22	295.63
N₂O	Reg. I	P 8	aQ (3, 2)	−335	404.14
828	Seq. I	R 1	sQ (4, 2)	386	88.08	301.38
N₂O	Seq. I	R 2	sQ (5, 1)	−147	76.31	323.87
626	Seq. I	R 9	sQ (6, 1)	−388	67.13	344.24
N₂O	Reg. I	R34	sQ (6, 2)	−244	66.81	336.96
636	Seq. I	R27	aQ (6, 5)	297	119.03
828	Reg. I	P38	aQ (7, 3)	−405	91.73
628	Reg. I	P 2	sQ (7, 5)	−51	58.01	311.67
628	Reg. I	P32	aQ (8, 0)	154	75.72
N₂O	Reg. I	R32	sQ (8, 3)	−60	53.87	378.81
848	Reg. I	P24	sQ (8, 4)	370	53.41	360.33
628	Reg. I	P 3	sQ (8, 5)	−83	52.80	337.98
828	Seq.	P 3	sQ (8, 7)	−331	51.09	285.38
636	Seq. I	R23	aQ (8, 7)	0	81.47
N₂O	Reg. I	P13	aQ (8, 7)	−4	81.47
628	Reg. I	P 3	sQ (9, 0)	−326	49.82
646	Reg. II	P22	sQ (9, 3)	−464	49.36	415.35
N₂O	Reg. I	R31	sQ (9, 3)	−240	49.36	415.35
828	Seq. I	P 3	sQ (9, 4)	394	48.99	394.97
626	Reg. I	R 2	sQ (9, 5)	−178	48.51	370.35
628	Reg. I	P 4	sQ (9, 5)	389	48.51	370.35
N₂O	Seq. I	P 3	sQ (9, 9)	−335		250.00
N₂O	Seq. I	P27	aQ (10, 1)	317	57.29
838	Reg. I	R20	aQ (10, 2)	283	57.42
628	Reg. I	P32	aQ (10, 4)	76	57.95
828	Seq. I	P35	aQ (10, 5)	−475	58.40
N₂O	Seq. I	P 3	sQ (10, 6)	484	44.43	379.10
636	Seq. I	R35	aQ (10, 6)	66	59.00
N₂O	Seq. I	P 4	sQ (10, 8)	−21	43.08	310.97
626	003 I	R 6	sQ (10, 9)	349	42.19	276.18
848	Reg. II	P26	sQ (11, 1)	112	42.66	547.73
N₂O	Reg. I	R29	sQ (11, 3)	156	42.40	516.23
626	Hot D	R16	aQ (11, 5)	−68	51.87
626	003 I	R 4	sQ (11, 10)	−417	38.78	270.19
626	Reg. I	P 2	sQ (11, 11)	−451		233.96
628	Reg. I	P 9	sQ (11, 11)	−95		233.96
628	Reg. I	P 6	sQ (12, 2)	−93	39.79	609.02
628	Reg. I	P26	aQ (12, 2)	−426	46.24
626	Seq. I	R 3	sQ (12, 3)	252	39.65	586.34
N₂O	Reg. I	R28	sQ (t2, 3)	−348	39.65	586.34
848	Reg. II	P28	sQ (12, 5)	−202	39.21	520.37
N₂O	Reg. I	R 2	aQ (12, 5)	128	46.71
626	003 I	R 6	sQ (13, 1)	−417	37.44	721.24
628	Reg. I	P 7	sQ (13, 2)	−435	37.37	704.01
636	Reg. I	R50	aQ (13, 2)	499	42.20
626	003 I	I	aQ (13, 4)	283	42.39
N₂O	Reg. I	R 6	aQ (13, 4)	222	42.39
626	003 I	P18	aQ (13, 6)	23	42.73
636	Reg. I	R36	aQ (13, 7)	−29	42.99
628	Reg. I	P10	sQ (13, 8)	102	35.90	448.25
N₂O	Reg. I	R24	sQ (13, 8)	−95	35.90	448,25
838	Reg. I	R10	aQ (13, 8)	117	43.34
828	Seq. I	P13	sQ (13, 13)	329		216.09
626	003 I	P10	aQ (14, 2)	14	38.85
626	Hot C	R29	aQ (14, 2)	−105	38.85
838	Reg. I	R50	sQ (14, 10)	373	33.16	399.79
328	Reg. I	P16	sQ (14, 12)	−380	31.92	293.93
N₂O	Reg. I	P29	aQ (14, 13)	−9	42.60
626	003 I	P 2	sQ (14, 14)	−41		206.72
628	Reg. I	P 9	sQ (15, 0)	−268	33.45
626	Reg. I	P 2	sQ (15, 1)	480	33.44	1054.14
626	Seq. I	pu	aQ (15, 1)	−336	35.99
838	Reg. I	R34	aQ (15, 2)	190	36.01
626	003 I	P12	aQ (15, 5)	−23	36.19
848	Reg. II	P32	sQ (15, 7)	−300	32.64	684.57
838	Reg. I	1U2	aQ (15, 9)	−237	36.81
828	Seq. I	P15	sQ (15, 11)	379	31.17	401.14
626	Seq. I	P39	aQ (15, 12)	−399	37.78
636	Seq. I	PI	aQ (15, 14)	471	39.57
626	003 I	R 2	sQ (16, 3)	460	31.67	1256.53
646	Reg. II	P36	aQ (16, 3)	−243	33.61
626	Reg. I	P 4	sQ (16, 4)	−21	31.57	1155.57
628	Reg. I	P11	sQ (16, 4)	176	31.57	1155.57
626	Reg. I	P16	aQ (16, 5)	95	33.72
646	Reg. II	P 38	aQ (16, 5)	−486	33.72
626	Seq. I	P23	aQ (16, 9)	−275	34.18
838	Reg. I	R 4	aQ (16, 11)	−344	34.64
N₂O	Reg. I	P20	aQ (16, 13)	439	35.46
N₂O	Seq. I	P17	sQ (16, 14)	−233	28.20	279.73
626	Seq. II	P17	sR (3, 2)	−248	88.08	301.38
626	Seq. II	P51	aR (3, 2)	−241	218.34
626	Seq. II	P17	sR (3, 3)	151	87.09	290.91
636	Reg. II	P 8	aR (3, 3)	−78	223.93
626	Seq. II	P31	aR (4, 2)	−375	149.12
626	Reg. II	R30	sR (5, 0)	175	67.23
626	Reg. II	R30	sR (5, 1)	338	67.13	344.24
626	Seq. II	P 7	aR (5, 1)	90	112.31
828	Seq. II	P35	aR (5, 4)	−414	116.28
628	Reg. II	R 1	aR (6, 3)	−181	91.73

Pump Laser Line	NH₃ Absorption Line	λ FIR (μm)
¹⁴NH₃
626 Seq. II P(7)	aR(5, 1)	112.3
¹⁵NH₃
626 Seq. II R(7)	aR(6, 5)	93.6
626 Seq. I P(5)	sQ(13, 7)	524.0
626 Seq. II P(7)	sQ(12, 11)	273.4

Abstract

Cited By

Tables (3)

Optics Letters