The black body color of laser pointer is very popular

 A comprehensive description of the light of these two aspects is not a simple wave, is not simple particles, but the wave-particle duality of the material. The quality inspection of laser pointer normally includes the self inspection, mutual inspection and final inspection. The main contents are: System Model: In-depth analysis of the measurement principle of laser beam scanning system, four-beam laser measuring principle, the directional reflection principle, the establishment of the mathematical model of the measurement system, to simplify the optimization of the structure of the system, follow-up study of the subject to lay a theoretical foundation; 2. In this system, is the target measurement results projected out of the test point three-dimensional coordinate value, therefore the coordinates of the target control point of extraction accuracy directly affect the entire system coordinate a unified precision, so the target to be carefully designed and Find the target logo recognition method for the system. System requirements into account, identify the target bar code recognition principle.
Optical signal through photoelectric conversion, the signal processing module, synchronization pulse signal and Hall sensor common input, control, data acquisition circuit and sent to the host computer after the data processing. The computer sent the data calculated from the measurement results, displayed or printed output. 2.3 based on the target cooperation dual beam measurement principle based on the target cooperation three-dimensional coordinates of laser measurement system is the use of laser scanning technology to achieve the object key point of three-dimensional size measurements, laser scanning technology is one kind of dynamic optical Measurement, it is the use of laser dual beam three-dimensional coordinates of the scanning motion detection, combined with a special target to achieve the measurement of three-dimensional coordinates of the detected objects. The black body color of  laser pointer  is very popular.
Here are the specific measurement principle. 2.3.1 X and Y coordinate measurement Figure 2-2 is the X, Y coordinate measurement principle diagram, the diagram O, O1 is the intersection of the two motor axis and the following two-beam scanning plane, O 'is the axis of the two motors with the above two beam scanning plane of the intersection. Measurement target through a dedicated connector to connect to the test point on the measured object. When the target is in the ideal state, the laser generator, issued the following two beams of light scan to target a little bit of P1, OO1 as the X-axis, O is the origin of a measurement coordinate system.