Which brand of high-speed camera is good?

At present, there are self-produced high-speed cameras in China, but due to the late start and insufficient accumulation of technology and experience, the performance and quality of cameras still lag far behind imported equipment. Among imported high-speed camera brands, Japanese and American brands have better quality. Among them, as the first Japanese nac company to manufacture high-speed cameras in the world, its high-speed cameras have a wide variety and top performance, which has been highly recognized by all countries in the world. You can contact Wuhan Zhongchuang Da Lian Technology Co., Ltd., which is the general agent of Nanqi in China.

Generally speaking, the main parameters that determine the performance of high-speed cameras are:

1.？ resolution ratio

2.？ Transmission frames per second

3.？ speed

4.？ duration of exposure

5.？ Pixel size

6.？ Image depth.

Top high-speed cameras like nac brand are not only excellent in these main parameters, but also have unique PIV mode and trigger mode suitable for many experiments.

High-speed camera technology has outstanding advantages such as real-time capture of targets, rapid recording of images, instant playback, and intuitive and clear images. The high-speed moving target is irradiated by natural light or artificial auxiliary illumination to generate reflected light, or the moving target itself emits light, and this light passes through the imaging objective of the high-speed imaging system. After being imaged by the objective lens, it falls on the image sensing surface of the photoelectric imaging device, and the photoelectric device controlled by the driving circuit will respond quickly to the target image on the image sensing surface, that is, according to the light energy distribution of the target image on the image sensing surface, charge packets with response sizes are generated at each sampling point, that is, pixel points, to complete the photoelectric conversion of the image. Each charge packet with image information is quickly transferred to the readout register. After signal processing, the read signal is transmitted to the computer, which reads, displays and interprets the image and outputs the result. Therefore, a complete high-speed imaging system consists of optical imaging, photoelectric imaging, signal transmission, control, image storage and processing.

High-speed cameras are mainly used in scientific research, military testing and industrial production evaluation. For example, in automobile collision test, electric arc is generated during welding, and organic liquid splashes when the battery explodes. Such a very fast phenomenon can only be clearly captured with the help of high-speed cameras. High-speed cameras can quickly sample high-speed targets many times in a short time. When they are shown at normal speed, the recorded target changes will appear clearly and slowly in front of our eyes.

The application of high-speed camera in aerospace field mainly includes trajectory tracking, missile launching, combustion testing, material testing, PIV testing and so on. With its high-frequency shooting speed, the high-speed camera captures the motion track of high-speed objects that ordinary cameras can't capture, accurately tracks the motion of objects, measures their size, distance, change and speed, and then plays them at the picture frequency that human eyes can see.

High-speed cameras are mainly used in scientific research fields: material testing, combustion, biomechanics, crack propagation, fluid dynamics, vibration, spray and spray analysis. In order to meet the experimental analysis of scientific research in laboratories, research institutes and universities, it is necessary to use ultra-high resolution high-speed camera to record, which can clearly image the occurrence, development and movement law of high-speed motion phenomena.

High-speed cameras are mainly used in the field of automobile inspection, such as automobile collision test, airbag ignition test, automobile parts impact test, combustion test, automobile performance test, engine and wheel dynamic test and so on. With the continuous development of society, people put forward higher and higher requirements for the safety performance of vehicles. In order to improve the safety performance of vehicles, automobile manufacturers and automobile R&D institutions are conducting more and more automobile tests and experiments, and high-speed cameras play an important role in this field.

Legend: Nanophotonics Laboratory of Beijing Institute of Technology uses nac brand high-speed camera to capture the instantaneous change of laser-induced plasma.

For more information about high-speed cameras, please consult/

The equipment used in the above experiment is nac brand ASC high-speed camera, which is a new product of nac and the first high-speed camera in the world that can reach 40 billion pixels per second.