Durable construction: The sturdy material ensures durability against repeated use and physical wear during experiments, extending the product's lifespan while maintaining performance integrity. Educational value: As a teaching aid, this product vividly demonstrates polarization phenomena to students, enhancing their understanding of complex optical concepts like Malus's Law through hands on experience, boosting both interest in learning and practical skills. Versatile applications: Ideal for physical optics experiments, this device is indispensable in educational settings and research institutions alike. It plays a crucial role in experiments involving optical properties, wave interference, and diffraction studies. Friendly design: With its simple and intuitive design, the polarizer and analyzer are easy to install and remove. This allows seamless integration with other optical instruments such as light sources or screens, facilitating various experimental setups. Use scenarios Classroom demonstration: Use the polarizer and analyzer to illustrate polarization and Malus's Law. With a controllable light source and a screen, rotate the analyzer to observe changes in light intensity and correlate them with theoretical predictions. Laboratory experiments: Employ the device in physical optics labs to study optical properties, interference patterns, and diffraction effects. Pair with detectors and light sources to explore polarization states and their influence on measurements. Research and prototyping: Integrate the polarizer and analyzer into optical benches for experiments requiring precise polarization control. Suitable for testing material birefringence, polarizationdependent transmission, and related optical phenomena.