Demonstration of a transient-gain nickel-like xenon-ion x-ray laser
Optics Letters, Vol. 27, Issue 21, pp. 1911-1913 (2002)
http://dx.doi.org/10.1364/OL.27.001911
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Abstract
We demonstrate a high-gain nickel-like xenon-ion x-ray laser, using a picosecond-laser-irradiated gas-puff target. The elongated x-ray laser plasma column was produced by irradiation of the gas-puff target with line-focused double picosecond laser pulses with a total energy of 18 J in a traveling-wave excitation scheme. Strong lasing at 9.98 nm was observed, and a high gain coefficient of 17.4 cm-1 was measured on the transient collisionally excited 4d–4p , J=0–1 transition for nickel-like xenon ions with target lengths as great as 0.45 cm. A weak nickel-like lasing line at a shorter wavelength of 9.64 nm was also observed, with a gain coefficient of 5.9 cm-1 .
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(320.5390) Ultrafast optics : Picosecond phenomena
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)
(350.5400) Other areas of optics : Plasmas
Citation
Peixiang Lu, Tetsuya Kawachi, Maki Kishimoto, Kouta Sukegawa, Momoko Tanaka, Noboru Hasegawa, Masayuki Suzuki, Renzhong Tai, Masataka Kado, Keisuke Nagashima, Hiroyuki Daido, Yoshiaki Kato, Henryk Fiedorowicz, and Andrzej Bartnik, "Demonstration of a transient-gain nickel-like xenon-ion x-ray laser," Opt. Lett. 27, 1911-1913 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-21-1911
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