Pockels' cell apodizer
泡克耳斯切趾器

• foamed
• foamed material
• foamed plastics
• foamed polyethylene insulation
• foam glass
• foaming agent
• foam metal
• foam rubber
• focal
• focal area
• focal chord
• focal circle
• focal collimator
• focal cusp
• focal depth
• focal distance
• focal eikonal
• focal isolation
• focalization
• focalizer
• focal length
• focal line
• focal plane
• focal plane filter
• focal plane shift