Synchronously pumped femtosecond optical parametric oscillator of congruent and stoichiometric MgO-doped periodically poled lithium niobate

被引：34

作者：

Andres, T ^{[1
]}

Haag, P ^{[1
]}

Zelt, S ^{[1
]}

Meyn, JP ^{[1
]}

Borsutzky, A ^{[1
]}

Beigang, R ^{[1
]}

Wallenstein, R ^{[1
]}

机构：

[1] Univ Kaiserslautern, Fac Phys, D-67663 Kaiserslautern, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2003年 / 76卷 / 03期

关键词：

LINBO3;

D O I：

10.1007/s00340-003-1100-3

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A synchronously pumped femtosecond optical parametric oscillator based on congruent MgO-doped periodically poled lithium niobate (c-MgO:PPLN) is reported. The system, operating at room temperature, was pumped by a mode-locked Ti:sapphire laser. The wavelengths of the signal and idler waves were tuned from 870 nm to 1.54 mum and 1.58 to 5.67 mum, respectively, by changing the pump wavelength, the grating period or the cavity length. Pumped by 1. 1 W of 755 nm laser radiation, the OPO generated 310 mW of 1080 nm radiation. This signal output corresponds to a total conversion efficiency of 50%. Without dispersion compensation the OPO generated phase-modulated signal pulses of 200 fs duration. Besides the OPO of c-MgO:PPLN, an OPO of stoichiometric (s) MgO:PPLN was investigated. Because of the reduced sensitivity to photorefractive damage, both crystals allowed efficient OPO operation at room temperature.

引用

页码：241 / 244

页数：4

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