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Optics Letters

Optics Letters

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  • Vol. 26, Iss. 8 — Apr. 15, 2001
  • pp: 503–505

Observation of vacuum-ultraviolet Kr2* laser oscillation pumped by a compact discharge device

Wataru Sasaki, Takahiro Shirai, Shoichi Kubodera, Junji Kawanaka, and Tatsushi Igarashi  »View Author Affiliations


Optics Letters, Vol. 26, Issue 8, pp. 503-505 (2001)
http://dx.doi.org/10.1364/OL.26.000503


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Abstract

We have demonstrated vacuum-ultraviolet (VUV) Kr2 * laser oscillation as a result of the realization of a stable self-sustained discharge of high-pressure Kr by use of a compact discharge device. Glow discharge was obtained with as much as 10 atm of pure Kr. The VUV emission intensity centered at 147.8 nm abruptly increased when the charging voltage exceeded a certain value. In addition to this threshold behavior, considerable spectral narrowing (4.0→0.4 nm) was observed when the charging voltage increased. The maximum output energy at 148 nm was 150μJ . The gain coefficient was estimated to be 1.1% cm -1 .

© 2001 Optical Society of America

OCIS Codes
(260.7190) Physical optics : Ultraviolet

Citation
Wataru Sasaki, Takahiro Shirai, Shoichi Kubodera, Junji Kawanaka, and Tatsushi Igarashi, "Observation of vacuum-ultraviolet Kr2* laser oscillation pumped by a compact discharge device," Opt. Lett. 26, 503-505 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-8-503

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