1. Solar Energy Concentration (CSP/CPV)
- Used as concentrators in solar photovoltaic (CPV) systems to focus sunlight onto small, high-efficiency cells.
- Used in solar thermal systems to heat a medium, such as in solar distillers and solar cookers.
- PMMA's high light transmittance (~92%) improves concentration efficiency.
2. Imaging Systems
- Used in thin and lightweight optical imaging devices, such as:
- Handheld magnifying glasses
- Simple optical components for VR/AR
- Ultra-thin camera auxiliary systems
- Simulates the function of traditional convex lenses through concentric grooves, maintaining imaging capabilities while reducing thickness.
3. Lighting Systems (LED Luminaires)
- Used as light distribution lenses to change light distribution, achieving diffusion, concentration, or uniform illumination.
- Commonly used in stage lights, searchlights, outdoor lighting, and automated vision systems.
4. Sensors and Detection Equipment
- Used in lens arrays for PIR human infrared sensors (especially "Fresnel lens arrays")
- Improves infrared detection sensitivity and coverage.
- Typical applications: human motion sensor lights, security alarms
5. Projection Displays and Light Field Control
- Used for light concentration and guidance in projection equipment and rear-projection televisions.
- Used in light field displays to control beam direction, improving brightness and viewing angle.
6. Optical Experiments and Educational Purposes
- Commonly used in educational experiments to demonstrate principles of optical imaging, refraction, and light concentration at a low cost.
7. Automation and Industrial Applications
- Used for beam shaping in machine vision.
- Used for spot control in laser cutting and positioning systems.
