Blue 489-nm picosecond pulses generated by intracavity frequency doubling in a passively mode-locked optically pumped semiconductor disk laser

被引：25
|
作者：
Casel, O
Woll, D
Tremont, MA
Fuchs, H
Wallenstein, R
Gerster, E
Unger, P
Zorn, M
Weyers, M
机构：
[1] Tech Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany
[2] Univ Ulm, D-89081 Ulm, Germany
[3] Ferdinand Braun Inst Hochstfrequenztech, D-12489 Berlin, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2005年 / 81卷 / 04期
关键词：
D O I：
10.1007/s00340-005-1931-1
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the generation of blue 489-nm picosecond laser pulses by intracavity second-harmonic generation in a mode-locked optically pumped InGaAs vertical-external-cavity surface-emitting laser. Mode locking achieved by a semiconductor saturable absorber mirror generated 5.8-ps-long sech(2)-shaped pulses at an emission wavelength of 978 nm and a repetition rate of 1.88 GHz. Intracavity frequency doubling in a 5-mm-long lithium triborate crystal generated blue picosecond pulses with a spectral width of 0.15 nm and an average output power of up to 6 mW.
引用
收藏
页码：443 / 446
页数：4
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