Liquid crystal electro-optic effect

• Optical bench
• Polarizer
• Analyzer
• LC plate with type TN
• Semiconductor laser
• Photo detector laser
• Voltmeter
• Current meter
• Power meter
• Connecting cables


• In this experiment, we can Determine the electro optical curve of liquid crystal sample and main parameters such as threshold voltage, saturation voltage, contrast and gradient.
• Demonstrate the basic principle of liquid crystal display.
• Some other elements are provided for polarized light experiment and verification experiment of Malus Law