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Proceedings Paper

Angular and spatial light modulation by single digital micromirror device for beam and pattern steering
Author(s): Brandon Hellman; Joshua Rodriguez; Chuan Luo; Heejoo Choi; Yuzuru Takashima
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Paper Abstract

The “Angular Spatial Light Modulator” (ASLM) utilizes digital micromirror device (DMD) as a binary patterned programmable blazed grating to increase number of output pixels of a DMD by merging geometric and diffractive optical capabilities of the DMD. We demonstrate series of capabilities of the ASLM for beam and pattern steering. In particular, a single-chip beam steering lidar, an extended FOV display, a light-field projector, and a multi-view display which can be implemented into AR/VR systems. We also present our metrology results of wavefront distortion of DMD while micro mirrors are transitioning over between on and off states.

Paper Details

Date Published: 28 February 2020
PDF: 6 pages
Proc. SPIE 11294, Emerging Digital Micromirror Device Based Systems and Applications XII, 112940C (28 February 2020); doi: 10.1117/12.2546355
Show Author Affiliations
Brandon Hellman, Univ. of Arizona (United States)
Joshua Rodriguez, Univ. of Arizona (United States)
TuSimple, Inc. (United States)
Chuan Luo, Univ. of Arizona (United States)
Heejoo Choi, Univ. of Arizona (United States)
Yuzuru Takashima, Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 11294:
Emerging Digital Micromirror Device Based Systems and Applications XII
John Ehmke; Benjamin L. Lee, Editor(s)

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