Angular and spatial light modulation by single digital micromirror device for multi-image output and nearly-doubled étendue

Brandon Hellman; Yuzuru Takashima

doi:10.1364/OE.27.021477

Angular and spatial light modulation by single digital micromirror device for multi-image output and nearly-doubled étendue

Brandon Hellman, Yuzuru Takashima

Optical Sciences

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The “Angular Spatial Light Modulator” (ASLM) achieves simultaneous angular and spatial light modulation at a plane by combining Digital Micromirror Device (DMD) based programmable blazed grating beam steering and binary pattern sequencing. The ASLM system multiplies the number of effective output pixels of the DMD for increased spatial and/or angular degrees of freedom, and nearly-doubles the étendue output of the DMD. We implement multiple illumination and projection schemes to demonstrate ASLM-based extended FOV display, light-field projection, and multi-view display. We also implement time-multiplexed pupil segmented illumination to extend the pattern steering to two dimensions.

Original language	English (US)
Pages (from-to)	21477-21496
Number of pages	20
Journal	Optics Express
Volume	27
Issue number	15
DOIs	https://doi.org/10.1364/OE.27.021477
State	Published - Jul 22 2019

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.27.021477

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title = "Angular and spatial light modulation by single digital micromirror device for multi-image output and nearly-doubled {\'e}tendue",

abstract = "The “Angular Spatial Light Modulator” (ASLM) achieves simultaneous angular and spatial light modulation at a plane by combining Digital Micromirror Device (DMD) based programmable blazed grating beam steering and binary pattern sequencing. The ASLM system multiplies the number of effective output pixels of the DMD for increased spatial and/or angular degrees of freedom, and nearly-doubles the {\'e}tendue output of the DMD. We implement multiple illumination and projection schemes to demonstrate ASLM-based extended FOV display, light-field projection, and multi-view display. We also implement time-multiplexed pupil segmented illumination to extend the pattern steering to two dimensions.",

author = "Brandon Hellman and Yuzuru Takashima",

note = "Funding Information: University of Arizona; Department of Defense (DoD) National Defense Science and Engineering Graduate (NDSEG); Air Force Research Laboratory (AFRL); ARCS Foundation: Saba Scholar. We would like to thank Dae Wook Kim (University of Arizona) and Jae-Hyeung Park (Inha University) for asking the right questions to keep us moving forward. Publisher Copyright: {\textcopyright} 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement",

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doi = "10.1364/OE.27.021477",

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Angular and spatial light modulation by single digital micromirror device for multi-image output and nearly-doubled étendue

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