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本文介绍作者使用单板机自动控制步进电机、调节中性减光板的中性减光板型自动激光功率稳定仪实现长时间稳定功率的方法，实验表明本方法在４小时内可将激光功率稳定度提高约一个数量级。
This article describes the author using the single-board automatic control stepper motor, adjust the neutral dimming plate neutral dimming plate automatic laser power stabilizer to achieve long-term stable power method, experiments show that the method within 4 hours laser power can be stabilized Degree increased by about an order of magnitude.