Influence of thermal effects in Kerr-lens mode-locked femtosecond Cr4+: Forsterite lasers

被引：15

作者：

Agnesi, A

Piccinini, E

Reali, GC

机构：

[1] INFM, Dipartimento di Elettronica, Università di Pavia, 27100 Pavia

来源：

OPTICS COMMUNICATIONS | 1997年 / 135卷 / 1-3期

关键词：

D O I：

10.1016/S0030-4018(96)00604-9

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the characterization of a synchronously-pumped Kerr-lens mode-locked (KLM) femtosecond Cr4+:forsterite laser, generating 66 fs pulses at 1240 nm, with approximate to 200 mW output power. The influence of the induced thermal lensing on the fast Kerr modulation is analysed by a simple model, which shows that the conventional criteria employed for KLM optimization of Ti:sapphire must be revised when considering the strong thermal effects induced in the Cr4+:forsterite crystal. Indications from our simple model agree with the experimental results.

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页码：77 / 82

页数：6

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