Experimental determination of the nonlinear refractive index in an operating Cr:forsterite femtosecond laser

被引：13

作者：

Chassagne, B ^{[1
]}

Ivanov, A ^{[1
]}

Oberle, J ^{[1
]}

Jonusauskas, G ^{[1
]}

Rulliere, C ^{[1
]}

机构：

[1] UNIV BORDEAUX 1,CTR PHYS MOL OPT & HERTZIENNE,URA CNRS 283,F-33405 TALENCE,FRANCE

来源：

OPTICS COMMUNICATIONS | 1997年 / 141卷 / 1-2期

关键词：

D O I：

10.1016/S0030-4018(97)00213-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The characteristics of a femtosecond forsterite Kerr-lens mode-locked laser pumped synchronously by an Nd:YAG laser are reported. Transform-limited femtosecond pulses of 60-fs (FWHM) duration with average TEM00 output powers of 200 mFV at 1.25 mu m were generated. Experimental studies of power stability and self-starting regime are described and a new experimental method to determine the nonlinear refractive index of the chromium-doped forsterite crystal (which is either the laser rod) is reported. We infer a value of 6 x 10-(16) cm(2)/W at 1.25 mu m, making possible Kerr-lens mode-locking. (C) 1997 Elsevier Science B.V.

引用

页码：69 / 74

页数：6

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