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AboutShijiazhuang Zeyuan Optics Co., Ltd. was founded in 1989. We are professional manufacturer integrating colored glass melting and optical filters producing.
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ProductsOur main products include heat absorbing filters, neodymium filter glass, rising color temperature glass, IR optical glass, UV pass optical filter glass, colored optical filters, neutral density filters, bandpass filters...
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BlogsOver the past thirty years since its establishment, our company has always adhered to the entrepreneurial spirit of proactive, innovative, perseverance to provide high-quality products and perfect services to many customers in domestic and abroad.
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ContactShijiazhuang Zeyuan Optics Co., Ltd. was founded in 1989. We are professional manufacturer integrating colored glass melting and optical filters producing.
Do you know these application fields of china Bandpass Optical Filters
China Bandpass Optical Filters are filters with cut-off bands on both sides of the transmission band of the spectral characteristic curve. China Bandpass Optical Filters are roughly divided into broadband filters and narrow-band filters according to their spectral characteristics. It is used in combination. The china Bandpass Optical Filters are prepared by the light wave interference principle, and the china Bandpass Optical Filters have been widely used in various fields. china Bandpass Optical Filters is an important type of optical thin film element, which has been widely used in the fields of chemical spectroscopy, laser, astrophysics, and optical fiber communication biology. The spectral curve of china Bandpass Optical Filters prepared by the principle of light interference, wavelength The spectral transmission region near λ0 is called the passband of the filter. Usually there are cut-off areas on both sides, and there may be a bypass band around the cut-off area, which usually requires a colored glass absorption film or a cut-off filter to eliminate the bypass band. Usually, the six kings whose relative half-width is not less than 20% are called broadband filters.
China Bandpass Optical Filters In the practical application of optical engineering, not all places where China Bandpass Optical Filters are needed hope that the narrower the passband, the better, and some require broadband filters. For example, the automatic dimming mask for electric welding protection requires the use of a china Bandpass Optical Filters that are transparent to visible light and control the depth of external and infrared. The visible light transparent zone of the color with the transmittance of the center of visible light transparency is not less than 50%. Among them, the narrow-band filter can be used in the dense wavelength division multiplexer technology for ultra-narrow optical fiber communication systems. In addition to the filter must have good thermal stability and low insertion loss. In addition to the characteristics of small polarization-dependent loss, in order to correctly extract each carrier from a beam of light containing multiple wavelengths at the transmission optical terminal, there is no crosstalk. There are also optical comb filters.
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