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Andreić Ž, Kunze HJ, Tolstikhina I. Evidence of lasing on the Balmer-α line of OVIII in an ablative capillary discharge. Opt Lett. 2015;40(11):2600-2doi: 10.1364/OL.40.002600.
Andreić, �. �., Kunze, H. J., & Tolstikhina, I. (2015). Evidence of lasing on the Balmer-α line of OVIII in an ablative capillary discharge. Optics letters, 40(11), 2600-2. https://doi.org/10.1364/OL.40.002600
Andreić, Željko, et al. "Evidence of lasing on the Balmer-α line of OVIII in an ablative capillary discharge." Optics letters vol. 40,11 (2015): 2600-2. doi: https://doi.org/10.1364/OL.40.002600
Andreić Ž, Kunze HJ, Tolstikhina I. Evidence of lasing on the Balmer-α line of OVIII in an ablative capillary discharge. Opt Lett. 2015 Jun 01;40(11):2600-2. doi: 10.1364/OL.40.002600. PMID: 26030567.
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Opt Lett. 2015 Jun 01;40(11):2600-2. doi: 10.1364/OL.40.002600.

Evidence of lasing on the Balmer-α line of OVIII in an ablative capillary discharge.

Optics letters

Željko Andreić, Hans-Joachim Kunze, Inga Tolstikhina

PMID: 26030567 DOI: 10.1364/OL.40.002600

Abstract

In a low-inductance ablative discharge through a capillary made of polyacetal (POM), lasing on the Balmer-α line of OVIII at 10.24 nm is identified. In line with previous studies of lasing on CVI ions, it is argued to be the consequence of charge exchange collisions after a m=0 instability. Lasing in both cases occurred at about the same time after beginning of the discharge, although lasing on the Balmer-α line of OVIII was less frequently observed, i.e., in approximately one out of ten discharges. Lasing on the CVI ion was seen in one out of three discharges. This is probably due to the need of reaching higher electron temperatures to completely strip oxygen ions simultaneously in the hot constrictions (necks) of the plasma instability.

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