Acousto-optical shaping of ultraviolet femtosecond pulses
Acousto-optical shaping of ultraviolet femtosecond pulses
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DOI：
10.1007/s00340-005-1767-8
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发表时间：
2005-03
期刊：
影响因子：
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通讯作者：
M. Roth;M. Mehendale;A. Bartelt;H. Rabitz
中科院分区：
文献类型：
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作者：
M. Roth;M. Mehendale;A. Bartelt;H. Rabitz
本文提出了一种简单的紫外声光脉冲频谱幅度和相位整形方法。一个熔融石英声光调制器用于确保高传输和高损伤阈值在400 nm的中心波长。该技术通过分离倍频和整形过程，消除了与近红外脉冲的光谱相位通过非线性过程到UV波长的参数转移相关的复杂性。相位控制的三个说明性的应用：材料色散的补偿，多个脉冲序列的产生，和任意形状的脉冲序列的产生。自衍射频率分辨光学门被用来表征该技术的成功。
This work demonstrates a simple method for ultraviolet (UV) acousto-optical pulse shaping of both spectral amplitude and phase. A fused-silica acousto-optical modulator is used to ensure high transmission and a high damage threshold at 400-nm center wavelength. The technique eliminates complications associated with the parametric transfer of the spectral phase of near-infrared pulses through a nonlinear process out to UV wavelengths, by separating the frequency doubling and shaping processes. Three illustrative applications of phase control are presented: the compensation of material dispersion, the generation of multiple pulse trains, and the generation of arbitrarily shaped pulse trains. Self-diffraction frequency-resolved optical gating is used to characterize the success of the technique.