EFFICIENT SOFT-X-RAY LASING AT 6 TO 8 NM WITH NICKEL-LIKE LANTHANIDE IONS

被引：113

作者：

DAIDO, H ^{[1
]}

KATO, Y ^{[1
]}

MURAI, K ^{[1
]}

NINOMIYA, S ^{[1
]}

KODAMA, R ^{[1
]}

YUAN, G ^{[1
]}

OSHIKANE, Y ^{[1
]}

TAKAGI, M ^{[1
]}

TAKABE, H ^{[1
]}

KOIKE, F ^{[1
]}

机构：

[1] KITASATO UNIV, SCH MED, PHYS LAB, SAGAMIHARA, KANAGAWA 228, JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.75.1074

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the demonstration of efficient soft x-ray lasing in nickel-like lanthanide elements (Nd, Sm, Gd, Tb, and Dy) covering the spectral range between 6 and 8 nm. A curved slab target was pumped by 1.053-mu m-wavelength multiple laser pulses: two or three 100-ps-duration pulses separated by 400 ps. A gain coefficient of 3.1 cm(-1) and a gain-length product of 7.8 have been achieved at 7.97 nm in the Nd ions with 250 J pumping energy on a 2.5-cm-length target. The result represents close to an order of magnitude reduction in the energy required to pump these soft x-ray lasers.

引用

页码：1074 / 1077

页数：4

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