slope detector
(1)斜度探测器
(2)斜率鋻频器

• optical encoder
• optical encoders, angle sensors
• optical englineering
• optical equivalence
• optical evaluation facility
• optical exaltation
• optical excitaiton
• optical excited laser
• optical exciting pulse
• optical eye level finder
• optical fabrication
• optical Farday rotaion isolator
• optical feedback
• optical feedback image intensifying system
• optical fiber displays
• optical fiber mode field parameters test equipment
• optical fiber sizes measuring equipment
• optical fiber strength test equipment
• optical fiber test equipment
• optical fibre
• optical fibre bundle
• optical fibre cable
• optical fibre cavity
• optical fibre communication
• optical fibre connector