FREE-ELECTRON LASER-INDUCED 2-PHOTON ABSORPTION IN HG1-XCDXTE

被引：12

作者：

BURGHOORN, J ^{[1
]}

ANDEREGG, VF ^{[1
]}

KLAASSEN, TO ^{[1
]}

WENCKEBACH, WT ^{[1
]}

BAKKER, RJ ^{[1
]}

VANDERMEER, AFG ^{[1
]}

OEPTS, D ^{[1
]}

VANAMERSFOORT, PW ^{[1
]}

机构：

[1] FOM,ASSOCIAT EURATOM,INST PLASMA PHYS RIJNHUIZEN,3439 MN NIEUWEGEIN,NETHERLANDS

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 19期

关键词：

D O I：

10.1063/1.108230

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The powerful output of FELIX, the recently built Rijnhuizen free-electron laser, is used for the first frequency dependent study of nonlinear optical excitation of Hg1-xCdxTe in the far-infrared spectral region. Two-photon interband absorption has been investigated as a function of power and wavelength from 20 to 40 mum. This nonlinear optical absorption is used to perform autocorrelation experiments yielding the length of the micropulses of the free-electron laser on a femtosecond time scale. The predicted dependence of the micropulse length on the synchronization between optical and electron pulses in the laser cavity is observed.

引用

页码：2320 / 2322

页数：3

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