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Optics Letters

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  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3458–3460

Demonstration of soft x-ray laser of Ne-like Ar at 69.8 nm pumped by capillary discharge

Yongpeng Zhao, Shan Jiang, Yao Xie, Dawei Yang, Shupeng Teng, Deying Chen, and Qi Wang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 17, pp. 3458-3460 (2011)
http://dx.doi.org/10.1364/OL.36.003458


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Abstract

The demonstration of a 69.8 nm laser on 3 p P 2 3 3 s P 1 1 ( J = 2 1 ) transition of Ne-like Ar pumped by capillary discharge is reported in this Letter. A main current of 12 kA with rise time of 43 ns was chosen to generate the plasma in a 35 cm long capillary filling with pressure of Ar as low as 11 Pa , resulting in a gain coefficient of 0.34 cm 1 and gain–length product of 11 at 69.8 nm . Also observed is a weak laser on 3 p D 2 3 3 s P 1 3 ( J = 2 1 ) transition of Ne-like Ar at 72.6 nm in the same condition. In addition, multiwavelength lasing at 46.9, 69.8, and 72.6 nm was simultaneously realized in a capillary discharge plasma column, conditioning the pressure of Ar to 13 Pa .

© 2011 Optical Society of America

OCIS Codes
(140.3210) Lasers and laser optics : Ion lasers
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 27, 2011
Revised Manuscript: July 12, 2011
Manuscript Accepted: August 5, 2011
Published: August 30, 2011

Citation
Yongpeng Zhao, Shan Jiang, Yao Xie, Dawei Yang, Shupeng Teng, Deying Chen, and Qi Wang, "Demonstration of soft x-ray laser of Ne-like Ar at 69.8 nm pumped by capillary discharge," Opt. Lett. 36, 3458-3460 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-17-3458

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