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Gigapixel and 1440-perspective extended-angle display by megapixel MEMS-SLM
Optics Letters
|September 15, 2020
Summary
This study introduces a micro electro mechanical system (MEMS)-based spatial light modulator (SLM) that achieves gigapixel output through angular-spatial light modulation. This technology enables high-density, multi-perspective displays for next-generation applications.
Area of Science:
- Optics and Photonics
- Display Technology
- Micro-Electro-Mechanical Systems (MEMS)
Background:
- Next-generation displays require significant increases in pixel count and density for spatial light modulators (SLMs).
- Current SLM technologies face limitations in achieving the desired gigapixel output for advanced visual applications.
Purpose of the Study:
- To present a novel micro electro mechanical system (MEMS)-based spatial light modulator (SLM) capable of simultaneous in-plane and angular-spatial light modulation.
- To demonstrate gigapixel output generation through time and angular multiplexing techniques.
Main Methods:
- Utilizing a digital micromirror device (DMD) for micro electro mechanical system (MEMS)-based SLM.
- Implementing pulsed illumination synchronized with micromirror actuation for pixel-implemented and diffraction-based angular modulation.
- Employing source multiplexing to enhance angular selectivity.
Main Results:
- Demonstrated 1440-perspective image output over a 43.9°×1.8° field of view (FOV).
- Generated 8-bit multi-perspective videos at 30 frames per second (FPS).
- Achieved multi-focal-plane image generation.
Conclusions:
- The developed MEMS-based SLM technology offers a scalable path towards terapixel resolutions.
- This advancement holds significant implications for the development of advanced near-to-eye displays and immersive visual experiences.
