求翻译：这种夹非线性液体的光栅型光限幅器具有结构简单、限幅能力强和抗激光损伤等优点，但是目前的这种开关器件还不完善，主要的问题是：当强激光脉冲在液体中打出一个气泡后，很难让气泡消失，第2个脉冲射来就不能限幅。因此必须靠液体的流动及时清除气泡，这就使这种光限制器的结构复杂化。其次，石英纳米光栅的制备在工艺上有一定困难，很难降低成本。因此这种器件还有待改进。是什么意思？

This folder nonlinear liquid grating optical limiter has a simple structure, limiting ability and resistance to laser damage, but this switching device is not perfect, the main problem is: when intense laser pulses in play a bubble in the liquid, it is difficult to let air bubbles disappear, two pul

This folder of non-linear liquid Raster-type optical limiter has a simple structure, limiting ability is strong and resistant to laser damage, etc, but it's such a switch devices are also not perfect, the key question is: when in the liquid laser pulses hit a bubble, it is very difficult to get air

This kind clamps the non-linear liquid the diffraction grating light amplitude limiter to have the structure simple, restriction ability strong and merits and so on anti-laser damage, but the present this kind of switch component is imperfect, the main question is: After the strong pulse of laser li

This clip of nonlinear fluid grating optical limiter has a simple structure, the advantages of limiting capacity and laser damage resistance, but such a switch device is not perfect, the main question is: when a high power laser pulse after making a bubble in a liquid, it is difficult to make the bu

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