Stabilizing the spectrum of a femtosecond Ti:Sapphire laser

被引：0
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作者：
A. V. Gerasimov
V. P. Kapralov
A. A. Shimko
机构：
[1] St. Petersburg State University,Research Institute of Laser Technologies
来源：
Technical Physics Letters | 2007年 / 33卷
关键词：
42.55.Rz;
D O I：
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摘要：
A new scheme for stabilizing the beat frequency of the interacting longitudinal modes in a femtosecond Ti:sapphire laser (Femos-1) has been developed and experimentally studied. The stability and frequency spectrum of mode beats in a modified laser have been monitored. A short-term instability of the beat frequency does not exceed 4.8 × 10−8 (τ = 10 s) over a time scale of 10 min. The laser linewidth in the regime of self-mode-locking is ≤3 Hz at a laser spectrum width of 20 nm.
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页码：537 / 539
页数：2
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