China is looking for a camera to chase him away from 45 km, so he can use the camera 1

China makes super camera to take pictures from a distance of 45 km, through fog


Follow Technology Review, physicists at the Chinese University of Science and Technology in Shanghai have invented a new optical system that helps people take photos at great distances.

Specifically, the device was made by physicist Zheng-Ping Li and his colleagues, it can take pictures from a distance of 45 km even when obscured by haze. This achievement stems from a combination of super sensitive photon sensors and image processing algorithms.

The new algorithm makes it possible for humans to capture objects at a distance. Image: Technology Review.

The ultra-sensitive camera system is located on the 20th floor of a building on Chongming Island (Shanghai) and points the lens towards the Pudong Civil Aviation building across the river, 45 km away.

The optical technique works on the principle of LIDAR – irradiating objects with a laser and recording images through reflected light rays. This technique only records reflected photon streams from the object itself. Therefore, it is not affected by photons from other light sources.

This whole advanced optical system is only the size of a shoe box. In the future, it could be applied in many areas such as distance positioning or object detection.

Previously, taking pictures from a distance on the earth was a big challenge. The problem is mainly due to limitations in the operating distance of devices that capture light reflected from an object.

In addition, environmental factors such as fog or smog in the city also hinder this problem. In the past, researchers have continued to develop many ultra-sensitive image sensors. Each of these super sensitive devices is capable of recording a reflected photon particle from an object at distances up to 10 km. The individual data will be aggregated into a complete picture.

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. (tagsToTranslate) China (t) China (t) super camera (t) remote photography 45 km (t) through fog (t) LIDAR optical system (t) China University of Science and Technology


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