Mode locking can be induced not only by loss modulation, but also by phase modulation.

锁模不仅可用损耗调制取得，也可用位相调制来得到。

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A phase hologram not only has relief modulation but also has refractory index modulation, both modulation will affect the diffraction property of the phase hologram.

位相全息图一般既有浮雕调制又有折射率调制，它们都会对衍射特性产生影响。

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A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.

根据空间光调制器的相位调制作用，提出了一种灰阶纯位相匹配滤波器编码方法。

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