Optical Filter
Optical filters are key components of autonomous LiDAR. The new bandpass optical filter used in the LiDAR system can enhance the ability of autonomous driving and driver assistance systems to accurately perceive the surrounding environment and respond accordingly. As the “eyes” of autonomous vehicles, LiDAR has become the most indispensable sensor in the autonomous driving environmental perception system due to its long detection range and high accuracy, playing a significant role in ensuring the safety of autonomous vehicles.
With the continuous development of Advanced Driver Assistance Systems (ADSA), manufacturers are facing key technical challenges related to adaptive filtering technology, which is commonly used in LiDAR systems. Such key technical challenges include inoperability under high ambient light conditions, insufficient light capture, and strict durability standards.
Optical filter technology can filter light, thereby significantly improving the signal-to-noise ratio to ensure the most precise detection under extremely challenging lighting conditions. In addition, Yizhao filters have passed rigorous tests for heat immersion, temperature cycling, manufacturability, and MIL-C hardness and adhesion.
The unique positioning of the Optical Signal Processor (OSP) business is to provide the automotive industry with the best and most advanced optical filter technology, making lidar systems suitable for future vehicles. Leveraging its rich and professional expertise, Yizhao Optoelectronics will continue to be a leading supplier of advanced optical component solutions.
Starting from 2020, LiDAR systems will become an indispensable component for Level 4 autonomous vehicles capable of providing full autonomous driving capabilities to enter the market.
Currently, companies such as Google, Baidu, Audi, Ford, and BMW are gradually adopting LiDAR perception solutions, which have become the most basic configuration in autonomous driving technology. With the mass production and implementation of L3 and above autonomous vehicles in China, as well as the continuous development of autonomous driving technology, the rapid progress of LiDAR technology and the optical filter technology supporting LiDAR hardware are also undergoing rapid iteration and upgrading.
ABOUT BORISUN
Hanzhong Brisun Optics Co., Ltd. Is the high precision optical element manufacturer provides customized production of Various optical lenses, including spherical lens, cylindrical lens, optical window, mirror, prism, filter, metal base mirror and other high-precision optical elements. The base materials include various optical glass, fused quartz, calcium fluoride (CaF2), zinc selenide (ZnSe), germanium (GE), silicon (SI), sapphire, metal and other materials. And provide antireflective film, high reflection film, spectroscopic film, metal film and other optical coatings.
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