An optical filter is an optical element used to select the required radiation band of light, while filtering out the unnecessary wavelength range. Of course, its most essential function is to filter out unnecessary light. It plays a key role in various optical systems and…

In the field of optics, optical filters play a vital role. They can selectively transmit or block light in a specific wavelength range and are widely used in many fields such as photography, scientific research, and optical communications. In order to better understand and select…

Optical filters are sheet-like optical elements with filtering effects. They can effectively filter, split, attenuate and reflect optics. In different application fields, the purpose of filtering is not just for simple filtering. Its “filtering” function can vary according to the actual application situation. Categorical features…

In the process of making optical filters, for coated filters, the degree of cleaning of the substrate determines the quality of the coated products. Ensuring the high cleanliness of optical components before coating is the most important step in the filter manufacturing process. The substrate…

Color filter is a key material in modern display technology, especially in the field of liquid crystal display (LCD). It filters white light into three basic pigment dot matrices of red, green and blue through a specific process, thereby realizing color display. This article will…

Infrared temperature measurement filters are optical filters specially designed for infrared bands and are commonly used in non-contact temperature measurement equipment. They can selectively transmit infrared radiation and filter out interference light from other bands, thereby achieving high-precision temperature detection. This article will introduce in…

Polarizer, also known as polarizing filter, is an optical element that controls the polarization state of light waves. By filtering out light with a specific polarization direction or generating a beam with specific polarization characteristics, polarizers play an important role in optical imaging, photography, polarization…

Optical components are an indispensable part of optical systems, used to manipulate, adjust or detect the behavior of light. With the continuous development of optical technology, the functions and application range of these components are becoming increasingly rich. From basic optical functions to complex adaptive…

As an optical element used to select or suppress light of a specific wavelength to achieve spectral control, the function of an optical filter is related to a variety of application environments, and also includes design parameters. The compliance of the parameters greatly affects the…

Narrowband filter is a special bandpass filter with a narrow passband range. It can accurately control the transmission of light of a specific wavelength and block light of other wavelengths. Usually, the half-width (i.e. bandwidth) of the passband of a narrowband filter is between a…

Optical filters are important components in modern optical systems and are widely used in optical instrument fields such as scientific research, industrial production, biomedicine, and communication technology. In the manufacturing process of optical filters, the selection of substrate optical materials is crucial because their performance…

Optical filters are indispensable components in optical systems, which optimize optical performance by selectively transmitting or blocking specific wavelengths of light. Driven by modern technology, the types and functions of optical filters are constantly expanding, and their applications have penetrated into many fields such as…