HIGH-REPETITION-RATE FEMTOSECOND PULSE GENERATION IN THE BLUE

被引：34

作者：

ELLINGSON, RJ ^{[1
]}

TANG, CL ^{[1
]}

机构：

[1] CORNELL UNIV,SCH ELECT ENGN,ITHACA,NY 14853

来源：

OPTICS LETTERS | 1992年 / 17卷 / 05期

关键词：

D O I：

10.1364/OL.17.000343

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the generation of high-repetition-rate femtosecond pulses in the blue by intracavity doubling of a mode-locked Ti:sapphire laser using beta-BaB2O4. To reduce the pulse-broadening effect of group-velocity mismatch, an extremely thin beta-BaB204 Crystal is used. By pumping the Ti:sapphire laser with 4.4 W of power from an Ar+ laser, as much as 230 mW of 430-nm light is produced at a 72-MHz repetition rate and a 89-fs pulse width. This represents an effective conversion efficiency of approximately 75% from the typical infrared output to the second harmonic. Pulse widths as short as 54 fs are achieved for the blue output.

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页码：343 / 345

页数：3

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