Shanghai Jingsheng Optoelectronics CO., LTD

上海京盛光电科技有限公司

Shanghai Jingsheng Optoelectronics Technology Co., Ltd.

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Bandpass Filter

Filter

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The passband of a bandpass filter is surrounded by two cutoff bands, which allow only part of the wavelength of the spectrum to pass, and are often used to transmit part of the spectrum while blocking all other wavelengths. Bandpass filters are suitable for various applications such as spectroscopy, clinical chemistry or imaging.Jingsheng Optoelectronics provides a variety of half-bandwidth bandpass interference filters with a variety of transmittances and sizes for you to choose from.
Long Pass Filter

Filter

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The long pass filter allows light with a wavelength greater than the set wavelength to pass through, and cuts off light with a wavelength less than the set wavelength.The long pass filter provided by Jingsheng Optoelectronics has the advantages of wide cut-off bandwidth, deep cut-off depth, high conversion steepness and high transmittance. It can be widely used in fluorescence excitation spectroscopy measurement, Raman spectroscopy application, spectral grouping application, and astronomical observation application. Improve imaging clarity, as well as system sensitivity.
Shortwave Pass Filter

Filter

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The shortwave pass filter provided by Jingsheng Optoelectronics Technology has the advantages of wide cut-off bandwidth, deep cut-off depth, high conversion steepness and high transmittance. It can be widely used in fluorescence excitation spectroscopy measurement, Raman spectroscopy application, spectral grouping application, and astronomical observation application. Improve imaging clarity, as well as system sensitivity.
Narrowband Filter

Filter

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The narrowband filter allows the optical signal to pass through a specific band, and the optical signals on both sides that deviate from this band are blocked. The passband of the narrow-band filter is relatively narrow, generally less than 5% of the central wavelength value.
Infrared Filter

Filter

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Infrared Cut Filter is also known as: Hot Mirror, Hot Mirrors, Day and Night Filter. The vacuum optical multi-layer coating is used to achieve the filtering function. It has high penetration of visible light and high reflection of infrared rays, which can correct the color shift phenomenon of CMOS and CCD and reduce the interference of infrared rays. That is to use precision optical coating technology to alternate on optical glass. Coated with high and low refractive index optical films to achieve high transmittance in the visible region (400-630nm) and optical filters with cut-off in the near-infrared (700-1100nm). Function: 1. High penetration of visible light. 2. Ultraviolet light absorption or reflection 3. Infrared light reflection. Application: Various image capture devices, such as: video cameras, cameras, monitors, mobile phone lens.
Neutral density Filter

Filter

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The circular gradient neutral density filter (referred to as the circular gradient density filter) can linearly attenuate the light intensity by rotating the filter, realize the precise adjustment of light energy in the circular linear direction, and maintain the neutral spectral light energy distribution. Under the premise, the adjustable and controllable light energy can be realized. These filters can be used in fields such as natural light and lasers. Using a combination of 2 filters, by reverse rotation, a fixed density attenuation effect can be obtained in a larger limited area. Product size from 25mm to 100mm optional. Spectral range 250nm-2500nm. Density sheets of special size, density and wavelength can be customized.

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