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原理 | LCOS-SLM（空间光调制器）
我们的 LCOS-SLM（空间光调制器）是一种可以自由地电动控制激光光束相位的设备。激光光束的相位可通过在 CMOS 芯片（其中的像素电极采用二维排列结构）与放置在玻璃基板上的透明电极之间夹住液晶的结构，实行二维控制。从 PC 输出的数字图像通过专用驱动电路转换为模拟信号，并将电压施加到 CMOS 芯片上的像素电极。该电压使液晶分子倾斜并改变液晶的折射率，从而控制照射到每个像素的光的相位。
LCOS-SLM 可以 8 位高精度控制光的相位，广泛用于各种用途，从光旋涡的生成等研究用途到微观观察中的像差补偿和多点分支微码标记等工业用途。
近年来，LCOS-SLM 作为一种在激光用途中创造新附加值的工具，通过将激光光束与显著改善的功率和重复频率相结合，以及将焦点分为多个点的相位控制技术，引起了人们的关注。
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