What is doppler laser?

Doppler laser is a type of laser technology that uses the Doppler effect to measure the speed and direction of moving objects. It works by emitting a laser beam that bounces off a moving object, creating a change in frequency or wavelength. By analyzing the frequency shift, Doppler laser can determine the velocity and direction of the object.

Doppler laser is commonly used in various applications, including medical imaging, astronomy, and remote sensing. In medical imaging, Doppler laser is used to measure blood flow in the body, diagnosing various cardiovascular diseases. In astronomy, it is used to measure the velocity of stars and galaxies. In remote sensing, it is used to measure atmospheric turbulence, wind velocity, and water droplets.

One of the advantages of Doppler laser is its high accuracy and precision in measuring velocity, especially in small ranges. It is also non-invasive and can measure velocity without contact, making it safe to use in various applications. However, Doppler laser can only measure velocity along a single line-of-sight and requires a clear line-of-sight to the target.