Mitsui Chemicals develops Diffrar™ optical polymer wafer for AR glasses
Mitsui Chemicals, Inc. is advancing the development of Diffrar™ polymer wafers for waveguides used in augmented reality (AR) glasses, with a view to expanding the augmented and virtual reality markets. The company has now developed the world's first* optical polymer wafers with refractive indices of 1.67 and 1.74 in a 12-inch size, specifically for AR glasses.
Equipped with outstanding optical properties, including a high refractive index of 1.67 or higher and extreme flatness, Diffrar™ optical polymer wafers offer users of AR glasses a wider Field of View (FOV). In addition, the use of Mitsui Chemicals proprietary polymer allows Diffrar™ to achieve greater impact resistance, making devices safer and lighter than glass, and thereby enabling users to wear them comfortably for extended periods of time.
Available in 1.67 and 1.74 refractive indices, the product lineup features 6-inch (for sample testing only), 8-inch (200mm) and 12-inch options (300mm), providing a wider variety of options for AR Optical Designers and increasing efficiencies in their manufacturing processes.
The recently developed Diffrar™ optical polymer wafers will be exhibited at the Mitsui Chemicals Group Booth # 6630, at SPIE Photonics West-AR/VR/MR Expo, which takes place in San Francisco, California on January 20-22, 2026.
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