High-resolution femtosecond pulse shaping
High-resolution femtosecond pulse shaping
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DOI：
10.1364/josab.5.001563
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发表时间：
1988-08
影响因子：
1.9
通讯作者：
A. Weiner;E. M. Kirschner
中科院分区：
文献类型：
--
作者：
A. Weiner;E. M. Kirschner
本文演示了在时域非色散光栅装置中利用光谱滤波合成任意形状飞秒脉冲的方法。光谱滤波是通过利用空间图案掩模来修改在设备内空间分散的光频率分量的幅度和相位来完成的。我们能够在一个大的动态范围（接近104）和前所未有的分辨率模式光谱。我们通过合成许多飞秒波形来说明该技术的强大功能，包括具有太赫兹重复率的飞秒音调脉冲，具有100 fsec上升时间的皮秒平方脉冲，以及由频谱相位编码产生的高度复杂的伪噪声脉冲。
The synthesis of arbitrarily shaped femtosecond pulses by spectral filtering in a temporally nondispersive grating apparatus is demonstrated. Spectral filtering is accomplished by utilizing spatially patterned masks to modify the amplitude and the phase of the optical frequency components that are spatially dispersed within the apparatus. We are able to pattern spectra over a large dynamic range (approaching 104) and with unprecedented resolution. We illustrate the power of this technique by synthesizing a number of femtosecond waveforms, including femtosecond tone bursts with terahertz repetition rates, picosecond square pulses with 100-fsec rise times, and highly complex pseudonoise bursts produced by spectral phase encoding.