Four-wave mixing with femtosecond pulses

被引：1
|
作者：
Skenderovic, H. [1 ]
机构：
[1] Inst Phys, HR-10001 Zagreb, Croatia
来源：
PHYSICA SCRIPTA | 2009年 / T135卷
关键词：
STOKES-RAMAN SCATTERING; BETA-CAROTENE; MOTION;
D O I：
10.1088/0031-8949/2009/T135/014037
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The recent development of noncollinear optical parametric amplifiers (NOPAs) has equipped many laboratories with widely tunable, spectrally broad ultrashort laser pulses with a duration of 15-30 fs. The present work deals with sub-20 fs pulsed degenerate four wave mixing (DFWM) on high-frequency vibrational levels in all-trans-beta-carotene. The observed wavepacket motion on the electronic ground state revealed fast oscillating vibrational modes whose frequencies and time development were measured. The coherent control in an open loop is demonstrated by appropriate phase shaping of the pulses.
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页数：3
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