Recombination laser transitions in expanding plasmas of Mg, Ca, Cu, Zn, Ag, Cd, In, Sn, Pb, and Bi

W. T. Silfvast; O. R. Wood

doi:10.1364/OL.7.000034

Optics Letters
Vol. 7,
Issue 1,
pp. 34-36
(1982)
•https://doi.org/10.1364/OL.7.000034

Recombination laser transitions in expanding plasmas of Mg, Ca, Cu, Zn, Ag, Cd, In, Sn, Pb, and Bi

W. T. Silfvast and O. R. Wood

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W. T. Silfvast and O. R. Wood, "Recombination laser transitions in expanding plasmas of Mg, Ca, Cu, Zn, Ag, Cd, In, Sn, Pb, and Bi," Opt. Lett. 7, 34-36 (1982)

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Abstract

Fifty new laser transitions in the visible and near infrared in ten metal vapors have been observed in the recombination phase of the expanding plasmas produced by a segmented-plasma laser device. Several of the strong visible transitions might be attractive for applications requiring simple lasers that operate at high repetition rates with pulse energies of the order of 0.1 mJ. All the transitions reported here suggest candidates for short-wavelength recombination lasers when isoelectronically scaled to higher ion stages.

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Spectrum	Wavelength (μm)^a	Transition Assignment
Magnesium
Mg I	1.081*	5f ³F°–3d ³D
Mg II	1.091	$4 p {{}^{2}P}_{3 / 2}^{0} - 3 d^{2} D_{3 / 2}$
Calcium
Ca I	1.905*	$3 d^{2}^{3} F_{4} - 4 p^{'} {{}^{3}D}_{3}^{0}$
Copper
Cu I	1.257*	$5 f {{}^{2}F}_{7 / 2}^{0} - 4 d^{2} D_{5 / 2}$
	1.815	$4 f {{}^{2}F}_{5 / 2}^{0} - 4 d^{2} D_{3 / 2}$
	1.818	$4 f {{}^{2}F}_{7 / 2}^{0} - 4 d^{2} D_{5 / 2}$
	3.089*	?
	3.726*	$4 p^{'} {{}^{2}P}_{1 / 2}^{0} - 5 s^{2} S_{1 / 2}$
	5.460*	$7 d^{2} D_{3 / 2} - 7 p {{}^{2}P}_{1 / 2}^{0}$
Cu II	0.7807	$6 s^{3} D_{3} - 5 p {{}^{3}F}_{4}^{0}$
	1.787*	?
Zinc
Zn I	1.170*	5f ³F⁰–4d ³D
	1.647*	4f ³F⁰–4d ³D
	1.844*	$5 d^{1} D_{2} - 5 p {{}^{1}P}_{1}^{0}$
	3.748*	$6 p {{}^{3}P}_{2}^{0} - 6 s^{3} S_{1}$
	3.779*	$6 p {{}^{3}P}_{1}^{0} - 6 s^{3} S_{1}$
Zn II	0.4924	$4 f {{}^{2}F}_{7 / 2}^{0} - 4 d^{2} D_{5 / 2}$
	0.7757	$6 s^{2} S_{1 / 2} - 5 p {{}^{2}P}_{3 / 2}^{0}$
	1.685*	$7 s^{2} S_{1 / 2} - 6 p {{}^{2}P}_{3 / 2}^{0}$
Silver
Ag II	1.646	$6 p {{}^{3}P}_{1}^{0} - 5 d^{3} P_{1}$
	1.720	$6 p {{}^{3}D}_{3}^{0} - 5 d^{3} D_{3}$
	1.735	$6 p F_{4}^{0} - 5 d^{3} G_{5}$
Cadmium
Cd I	3.955*	$7 p P_{2}^{0} - 7 s^{3} S_{1}$
Indium
In I	3.903*	$7 p P_{1 / 2}^{0} - 7 s^{2} S_{1 / 2}$
In II	0.7685*	$7 s^{3} S_{1} - 6 p P_{2}^{0}$
	0.7353*	$7 s^{3} S_{1} - 6 p P_{1}^{0}$
Tin
Sn I	1.121*	$6 p^{1} D_{2} - 6 s P_{1}^{0}$
	1.176*	$6 p^{3} D_{0} - 6 s P_{1}^{0}$
	1.196*	$6 p^{3} D_{3} - 6 s P_{2}^{0}$
	1.305*	$6 p^{3} P_{1} - 6 s P_{0}^{0}$
	1.347*	$6 p^{3} P_{1} - 6 s P_{1}^{0}$
Sn II	0.5799	$4 f {{}^{2}F}_{7 / 2}^{0} - 5 d^{2} D_{5 / 2}$
	1.063	$5 f {{}^{2}F}_{5 / 2}^{0} - 6 d^{2} D_{3 / 2}$
	1.076	$5 f {{}^{2}F}_{7 / 2}^{0} - 6 d^{2} D_{5 / 2}$
	1.239*	$7 d^{2} D_{5 / 2} - 7 p P_{3 / 2}^{0}$
	1.363*	?
Lead
Pb I	1.109*	$6 f^{1} F_{3} - 6 d F_{3}^{0}$
	1.698*	$8 p^{3} F_{2} - 6 d D_{2}^{0}$
	1.797*	$10 d {{}^{2}F}_{3}^{0} - 8 p^{2} D_{2}$
	3.138*	$8 p^{3} D_{1} - 8 s P_{0}^{0}$
	3.799*	$8 p^{3} P_{1} - 8 s P_{1}^{0}$
Pb II	0.5372	$5 f {{}^{2}F}_{7 / 2}^{0} - 6 p^{24} P_{5 / 2}$
	0.8396*	$8 s^{2} S_{1 / 2} - 7 p P_{3 / 2}^{0}$
	1.166	$6 f {{}^{2}F}_{5 / 2}^{0} - 7 d^{2} D_{3 / 2}$
	1.324	$6 f {{}^{2}F}_{7 / 2}^{0} - 7 d^{2} D_{5 / 2}$
Bismuth
Bi I	1.256*	$6 p^{2} 7 p - 6 p P_{3 / 2}^{0}$
	1.286*	?
	3.107*	?
Bi III	0.7599	$6 f {{}^{2}F}_{5 / 2}^{0} - 7 d^{2} D_{3 / 2}$
	0.8069	$6 f {{}^{2}F}_{7 / 2}^{0} - 7 d^{2} D_{5 / 2}$

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Optics Letters