Frequency doubled femtosecond Ti：sapphire laser with an assisted enhancement cavity

We report an enhancement cavity for femtosecond Ti：sapphire laser at the repetition rate of 170 MHz. An enhancement factor of 24 is obtained when the injecting pulses have an average power of 1 W and a pulse duration of 80 fs. By placing a BBO crystal at the focus of the cavity, we obtain a 392-mW i...

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Bibliographic Details
Published inChinese physics B Vol. 25; no. 1; pp. 604 - 607
Main Author 张金伟 韩海年 侯磊 张龙 于子蛟 李德华 魏志义
Format Journal Article
LanguageEnglish
Published 01.01.2016
Subjects
BBO晶体
Conversion
Femtosecond
Holes
Lasers
Mean square values
Placing
Pulse duration
Stability
内腔倍频激光器
均方根
增强腔
脉冲持续时间
蓝宝石
钛
飞秒
Online AccessGet full text
ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/25/1/014205

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Summary:We report an enhancement cavity for femtosecond Ti：sapphire laser at the repetition rate of 170 MHz. An enhancement factor of 24 is obtained when the injecting pulses have an average power of 1 W and a pulse duration of 80 fs. By placing a BBO crystal at the focus of the cavity, we obtain a 392-mW intracavity doubled-frequency laser, corresponding to a conversion efficiency of 43%. The output power has a long-term stability with a root mean square （RMS） of 0.036%.
Bibliography:We report an enhancement cavity for femtosecond Ti：sapphire laser at the repetition rate of 170 MHz. An enhancement factor of 24 is obtained when the injecting pulses have an average power of 1 W and a pulse duration of 80 fs. By placing a BBO crystal at the focus of the cavity, we obtain a 392-mW intracavity doubled-frequency laser, corresponding to a conversion efficiency of 43%. The output power has a long-term stability with a root mean square （RMS） of 0.036%.
femtosecond laser, enhancement cavity, frequency doubling, laser spectroscopy
11-5639/O4
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/1/014205