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Related Experiment Video

Updated: Feb 28, 2026

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
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Design of a Large-Format Scene Simulation System Based on Multi-DMD Optical Stitching.

Zheng Liu1,2, Jie Li2, Xiayang Huang2

  • 1School of Information Science and Technology, ShanghaiTech University, Shanghai 201210, China.

Sensors (Basel, Switzerland)
|February 27, 2026
PubMed
Summary

This study introduces a novel multi-digital micromirror device (DMD) optical stitching system. The system effectively quadruples display area for large-format scene simulation without compromising frame rate.

Keywords:
Offner relay systemdigital micromirror devicelarge-format target planeoff-axis three-mirror systemscene simulation system

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Area of Science:

  • Optical Engineering
  • Display Technology

Background:

  • Digital micromirror devices (DMDs) have limited effective display areas due to micromirror count and pitch.
  • Current DMD limitations hinder large-format target-plane display applications.

Purpose of the Study:

  • To propose and validate a large-format scene simulation system using multi-DMD optical stitching.
  • To overcome limitations of direct DMD tiling using an optical relay system.

Main Methods:

  • Developed a DMD display architecture with illumination, relay, stitching, and projection modules.
  • Employed optical relay to circumvent package frame interference for DMD tiling.
  • Integrated multiple DMDs for enhanced display area.

Main Results:

  • Quadrupled the effective display area compared to a single DMD.
  • Achieved Modulation Transfer Function (MTF) > 0.5 at 50 lp/mm.
  • Demonstrated near-diffraction-limited performance with RMS spot radius < 10 μm.

Conclusions:

  • The proposed multi-DMD optical stitching system meets large-format display requirements.
  • The system provides a viable solution for high-resolution, large-area scene simulation.
  • Key performance indicators confirm the system's suitability for demanding applications.