Evaluation of pulsed laser sources for a solid-state diffractive image steering and foveation by Texas Instruments Digital Micromirror Device
OPTICAL ARCHITECTURES FOR DISPLAYS AND SENSING IN AUGMENTED, VIRTUAL, AND MIXED REALITY, AR, VR, MR IV(2023)
摘要
Diffractive image steering using a Micro Electro Mechanical System (MEMS) Spatial Light Modulator (SLM) with pulsed illumination decouples display size from field of view (FOV), that reduces a form factor of augmented reality (AR) and virtual reality (VR) display engine, while not sacrificing the resolution of image. In the image steering, pulsed illumination is necessary to access to the transitional period of MEMS SLM. Correlation of average laser power of laser diode driven in a pulsed mode operation is evaluated and compared to the power of the laser diode driven in continuous mode.
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关键词
image steering,MEMS,spatial light modulator,micro electro mechanical system,pulsed laser,light efficiency,brightness,uniformity
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