The phase method rangefinder is a rangefinder that modulates the laser phase and obtains the distance by measuring the phase difference of the reflected laser light. Since the reflected laser phase needs to be detected, the received signal needs to have a strong intensity. Considering the safety of human eyes, telephoto systems such as pulsed laser rangefinders cannot be used, and the range is small. A typical ranging range is 0.5mm to 150m. Generally speaking, the phase method laser rangefinder uses 635 nm (visually red) laser as the debugging object, commonly known as infrared rangefinder. However, the definition of laser is not based on color. If a 635nm laser rangefinder is used to directly illuminate the human eye, it will cause irreversible damage. Please use and protect properly.
