求翻译：光学限制器 (optical limiter) 是一种特殊的光开关, 其作用相当于一个电子学中的稳压二极管, 该器件在高功率激光输入的情况下，可以把输出光功率限制在一个比较低的水平，这种器件主要应用于防护激光对人眼和探测器的破坏。本章首先介绍光限制器的基本概念，然后介绍几种非线性光限制器原理，重点介绍基于反饱和吸收的非线性光限制器。最后介绍一种基于线性光学原理和非线性光学原理相结合的非线性光栅型光限制器。请输入您需要翻译的文本！是什么意思？

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optical limiter (optical limiter) is a special type of optical switch, it is the equivalent of a electronics in the voltage regulator tube 2, the device is in high power laser input and output optical power can be limited to a relatively low level, such devices are mainly applied to the laser eye pr

Optics killer (optical limiter) is one kind of special light switch, its function is equal in an electronics the zener diode, this component in the high power laser input situation, may limit the output optical power in a quite low level, this kind of component mainly applies in the protection laser

Optical limiter (optical limiter) is a special kind of light switch, its role is equivalent to a Zener diode in electronics, the device in the case of high power laser input, output power can be limited to a relatively low level, this device is mainly for protection against laser damage to the human

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