Tunable second harmonic generation by phase-modulated ultrashort laser pulses

被引：0
作者：
J. P. Siqueira
A. R. de Oliveira
L. Misoguti
S. C. Zilio
机构：
[1] Universidade de São Paulo,Instituto de Física de São Carlos
来源：
Applied Physics B | 2012年 / 108卷
关键词：
Bessel Function; Second Harmonic Generation; Ultrashort Laser Pulse; Spatial Light Modulator; Sinusoidal Function;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We report on the generation of tunable light around 400 nm by frequency-doubling ultrashort laser pulses whose spectral phase is modulated by a sum of sinusoidal functions. The linewidth of the ultraviolet band produced is narrower than 1 nm, in contrast to the 12 nm linewidth of the non-modulated incident spectrum. The influence of pixellation of the liquid crystal spatial light modulator on the efficiency of the phase-modulated second harmonic generation is discussed.
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页码：727 / 731
页数：4
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