laser filter

例句：

1. 1.The laser filter is used to remove dust and particles from the air.
   激光过滤器用于从空气中去除灰尘和颗粒。
2. 2.The laser filter was designed to improve the quality of the image.
   激光过滤器被设计用来提高图像的质量。
3. 3. The laser filter was tested on a variety of materials to ensure its effectiveness.
   激光过滤器在多种材料上进行了测试，以确保其有效性。