Russian scientists have developed a new technology to use augmented reality (AR) in industry and transportation. They created an AR optical module that can be safely placed on the windshields of cars, trains and airplanes. This module withstands extreme temperatures and is resistant to mechanical and chemical attack. It is also lighter and makes the display more efficient.
Traditional augmented reality devices use an optical combiner to combine real and virtual images for the user. However, such modules have disadvantages such as susceptibility to dust and damage, poor image brightness, and difficulty in fabricating multilayer devices. Some developers use a holographic method using photopolymers, but these require a protective coating and are not resistant to moisture and high temperatures.
ITMO scientists have developed a new generation of optical combiner modules for augmented reality devices. They used photothermofractive glass to create a waveguide plate with high-performance volumetric Bragg gratings. This new module is stronger, lighter, glare free and transmits images more efficiently. It is also resistant to moisture, abrasion, high and low temperatures and is not prone to contamination.
The scientists plan to further develop the technology, including creating a full-color image, increasing the number of holograms and expanding the field of view. They see the potential to use this device in various fields such as industry, construction, transportation. This project was carried out at ITMO Optical Materials Science Research Center under the guidance of Professor Nikolai Nikonorov and received support from the Priority 2030 program.
Source: Ferra
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