NARROW-BAND EXTREME-ULTRAVIOLET LASER-RADIATION TUNABLE IN THE RANGE 90.5-95-NM - APPLICATION TO THE SPECTROSCOPY OF N2

被引：37

作者：

UBACHS, W

EIKEMA, KSE

HOGERVORST, W

机构：

[1] Laser Centre, Department of Physics and Astronomy, Vrije Universiteit, Amsterdam, 1081 HV

来源：

APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY | 1993年 / 57卷 / 06期

关键词：

D O I：

10.1007/BF00357384

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Tunable, narrowband extreme ultraviolet radiation in the range 90.5-95 nm with only limited intensity variations is produced by frequency-tripling ultraviolet light from a frequency-doubled dye laser in a gas-jet of xenon. Acetylene gas is found to be an efficient medium for third-harmonic generation in this wavelength range as well. The extreme-ultraviolet radiation is applied in a spectroscopic study of the b1PI(u), nu = 6-8 and nu = 10-12, o1PIu, nu = 0 and b'1SIGMA(u)+, nu = 9 states of molecular nitrogen. From linewidth measurements a value k(p) = 6 x 10(10) s-1 for the predissociation rate of the b1PI(u), nu = 11 state is deduced.

引用

收藏

页码：411 / 416

页数：6

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