Spectroscopic confocal technology uses the wavelength information of light to measure distance. A wide spectrum of polychromatic light (white) is emitted from the light source, and spectral dispersion occurs through the dispersion lens to form monochromatic light of different wavelengths. The focus of each wavelength corresponds to a distance value. The measured light is reflected back to the surface of the object, and only the monochromatic light that meets the confocal condition can be sensed by the spectrometer through the small hole. The distance value is obtained by calculating the wavelength of the sensed focus.

On-line equipment, due to the tolerance of the equipment itself, and the production line speed will have an impact on the measuring equipment, so it will have an impact on the measurement error of the spectrometer technology spectral confocal equipment, if the impact is within the acceptable range, the instrument can be used.

The images presented are based on the original measurement data, without filtering, it is easy to measure and analyze the material and shape of the traditional difficult measurement. Each measurement result can be applied to: dull materials, glossy materials, transparent surfaces.

Shenzhen Liyi Technology Co., LTD., founded in 2014, is a company specializing in the production and development of point-line spectral confocal displacement sensors, laser displacement sensors, white light interferometers, film thickness meters.