It is still effective when the incident power is so strong that the liquid crystal was burnt by laser.
该功率限制器在强激光使液晶炭化条件下，仍能对探测器起到保护作用。
Because temperature rise of the exposed region must meet the requirement of diffusion experiment, high power density of the incident laser beam is necessary.
要使曝光区温度达到扩散实验要求，必须使曝光区功率密度很高。
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