Tuning characteristics of femtosecond optical parametric oscillator with broadband chirped mirrors

被引：3

作者：

Stankeviciute, Karolina ^{[1
]}

Vengris, Mikas ^{[1
]}

Melnikas, Simas ^{[2
]}

Kicas, Simonas ^{[2
]}

Grigonis, Rimantas ^{[1
]}

Sirutkaitis, Valdas ^{[1
]}

机构：

[1] Vilnius Univ, Laser Res Ctr, Dept Quantum Elect, LT-10223 Vilnius, Lithuania

[2] Ctr Phys Sci & Technol, LT-02300 Vilnius, Lithuania

来源：

OPTICAL ENGINEERING | 2015年 / 54卷 / 12期

关键词：

synchronously pumped optical parametric oscillator; group delay dispersion; complementary chirped mirrors; beta barium borate nonlinear crystal; Yb:KGW laser; TI-SAPPHIRE LASER; HIGH-POWER; PULSES; GENERATION; OCTAVE;

D O I：

10.1117/1.OE.54.12.126111

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the investigation of a synchronously pumped optical parametric oscillator (SPOPO) based on beta barium borate (BBO) nonlinear crystal with broadband complementary chirped mirror pairs (CMPs). Three SPOPO cavity configurations with slightly different intracavity dispersion were explored. Dispersion properties of cavity mirrors were characterized using a white light interferometer and found to be the key factor determining the gap-free tuning range as well as simultaneous multiwavelength generation. The SPOPO is pumped by the second harmonic of a Yb:KGW oscillator and provides signal pulses tunable over a spectral range from 625 to 980 nm. Signal pulse duration ranges from 102 to 268 fs in various intracavity dispersion regimes. In addition, signal beam power in excess of 500 mW is demonstrated, corresponding to 27% conversion efficiency from pump to signal wave. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：8

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