Filters are closely related to our lives! Yes, you read it right. This article will explain the application of filters in our daily lives.

By carefully observing our surroundings, we will find that many aspects of life are closely related to filters: for example, anti reflective filters are used on myopia correction lenses, high reflection filters are used on car mirrors, and various filters are integrated into the core components of projectors widely used in business and office settings. Many monochromators, one of the core components of biochemical detection devices used for body examinations in hospitals, use narrowband filters. Long wave pass filters and short wave pass filters are used in digital cameras, and various optical instruments, LCD displays, and anti-counterfeiting technologies for banknotes, optical communication, laser technology, and so on are closely related to the development of filter technology. It can be said that without the development of filter technology as a foundation, many modern emerging technologies are difficult to achieve their current achievements.

After reading these applications, do you understand that filters are actually very close to our daily lives.

Filter refers to coating one or more layers of dielectric film or metal film on optical components or independent substrates to change the characteristics of light wave transmission. By utilizing the characteristic changes of light waves in the transmission of these thin films, such as transmission, absorption, scattering, reflection, polarization, phase changes, etc., various filter products can be designed and manufactured to achieve scientific and engineering applications.

Changchun Ruiyan Optoelectronic Technology Co., Ltd., as a manufacturer of optical filters for many years, tells you that producing optical filters is a complex engineering technology. Don't underestimate a small filter, as it involves many professional technical fields, including vacuum acquisition technology, vacuum measurement technology, computer-aided design technology, optical characteristic detection technology, electronic circuit technology, material characteristic detection and preparation technology, etc. These require the cooperation of various professional technical teams to produce satisfactory filters.

Changchun Ruiyan Optoelectronic Technology Co., Ltd. produces, researches, and sells optical components and can provide customized optical components. Our company participates in or independently designs and develops bandpass filters, ultra narrowband filters, infrared filters, ultraviolet filters, fluorescence filters, enzyme-linked immunosorbent assay (ELISA) filters, narrowband filters, etc., which have been applied in various fields such as aerospace, biomedical, pharmaceutical, security and environmental protection, meteorological, optoelectronic, petroleum, education and teaching industries.