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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.
Factors Affecting the Price of Bandpass Optical Filters
In a certain wavelength band, there is only a small passband with high transmittance in the middle, and there are cutoff bands with high reflectivity on both sides of the passband. This kind of filter is collectively referred to as a Bandpass Optical Filters. The main function is to perform spectral selection of light, so that the required light passes through and the unwanted wavelengths of light are cut off. At present, bandpass filters have a wide range of applications as optical components for filtering and selecting spectral lines.
What are the factors that affect the price of Bandpass Optical Filters?
First, the central wavelength is also the peak wavelength. Generally speaking, the higher the transmittance, the higher the transmittance, but this is not necessarily the case. Biological instrument filters used in the ultraviolet band do not need this high transmittance.
The second is the cut-off depth of the bandpass filter. The better the cut-off depth is, the better the cut-off depth can be, the influence of clutter on the sensing components can be shielded, which will allow the optical sensing components to respond to more accurate signals.
Third, the passband width of the Bandpass Optical Filters, the passband bandwidth cannot be said to be wide or narrow, but generally speaking, in the bandpass filter, the higher the transmittance, the wider the passband width. Narrow, while the cut-off depth OD value is small. However, the production process of such a bandpass filter has also become expensive.
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