Four Technical Pathways for Diffractive Optical Waveguides Drive Volume Production
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On October 19, 2026, OFweek Optics Network published an article outlining four complementary technical pathways for SRG diffractive optical waveguides: nanoimprint to improve volume production, DUV lithography and etching to raise precision, SiC substrates to expand the field of view, and single-layer full color to optimize image quality. The article cites specific progress: AAC Technologies has achieved a yield of more than 80% in volume production of single-layer full-color SRG, a SiC solution has achieved a 52° FOV, and Goertek Optics' 12-inch DUV lithography and etching volume production line has entered operation. The report also notes that million-unit-level capacity plans and ramp-ups do not mean the industry as a whole has achieved stable million-unit-scale delivery; cost, yield and complete-unit integration remain hurdles.
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- OFweek Optics Network · NewsPicksHow Four Diffractive Optical Waveguide Pathways Drive Volume Manufacturing
SRG diffractive optical waveguides use four complementary pathways - nanoimprint, DUV lithography etching, SiC substrates and single-layer full color - to improve mass production, precision, field of view and image quality respectively. The article cites AAC Technologies' single-layer full-color SRG mass production yield of over 80%, a 52-degree FOV for the SiC solution, and the commissioning of Goertek Optics' 12-inch DUV lithography etching production line. Plans for million-unit-level capacity and ramp-up do not mean the industry as a whole has achieved stable million-unit-scale delivery; cost, yield and whole-device integration remain the next hurdles.
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