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The application of narrowband filters in various fields such as aviation, aerospace, national defense, communication, environmental protection, and analytical instruments is also becoming increasingly widespread,

In the field of optics, the Infrared spectral wavelength filter we often refer to is usually divided into three spectral bands: short wave infrared, medium

Definition and Description of Scratches or Scratches on Filters: Linear or banded scratches caused by the relative movement or friction between the glass surface of

Definition and description of the detachment of the filters layer: Local detachment or detachment of the film layer on the surface of a coated filter.

Optical sensor filters and instruments are based on optical principles for measurement, which have many advantages, such as non-contact and non-destructive measurement, almost no interference,

Definition and description of filters spots or stripes: When viewed from a non coated surface, there are irregular black spots or stripes on the coated

Biometric filters are widely used in facial recognition and biometric recognition equipment. Biometric filters are a subcategory of narrowband filters, with main optical parameters and

Introduction and Use of Filters for Motor Vehicle Smoke Meter – The opacimeter is an instrument used to measure the smoke content in the exhaust

Shortwave infrared narrowband filters are a category of narrowband filters. We all know that the main function of narrowband filters is to select the spectrum

Advantages and disadvantages of visual navigation and laser navigation in the filter of intelligent obstacle avoidance and sweeping robot, With the breakthrough of smart computer