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Help CenterPingzhi Optics Infrared Bandpass Filter for Lidar and Laser Ranging, Pz-bp850
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Model: BP850-40nm
Specification: Customized
Material: Optical glass
Band-pass filters only allow light within a narrow wavelength range to pass through. The common type is the Fabry-Perot filter, which is essentially a Fabry-Perot etalon (see Fabry-Perot interferometer). The specific structure is as follows: a semi-transparent metal layer is coated on a glass substrate, followed by a magnesium fluoride spacer layer, and then another semi-transparent metal layer. The two metal layers form the two parallel plates of the Fabry-Perot etalon. When the spacing between the two poles is of the same order of magnitude as the wavelength, the interference peaks of different wavelengths in the transmitted light are well separated. Other absorption-type filters can be used to filter out the light that is not allowed to pass through, thus obtaining a band-pass filter with a narrow passband. The passband width of this filter is much narrower than that of ordinary absorption-type filters. In addition, there are all-dielectric Fabry-Perot filters, and two typical structures are gHLHLLHLH a and g HLHL HH LHLH a1. As required, the passband of the band-pass filter can range from the infrared to the ultraviolet. In the visible light region, this type of filter can be used in color TV cameras to separate images into different colors; in the infrared region, it is commonly used in carbon dioxide lasers, missile guidance systems, and satellite sensors, etc.
Product features:
Imported ultra-thin optical glass with high transmittance, good finish, small thickness tolerance, and good flatness and other optical characteristics
Using the ion sputtering coating process of imported coating equipment, it has the characteristics of high film layer firmness, good spectral uniformity, and strong stability of the central wavelength, etc.
Specifications and sizes can be customized according to customer requirements, either square or round.
Product specifications:
BP365nm Bandpass Filter, 415nm Bandpass Filter, 440nm Bandpass Filter, 450nm Bandpass Filter, 490nm Bandpass Filter, 510nm Bandpass Filter, 530nm Bandpass Filter, 550nm Bandpass Filter, 555nm Bandpass Filter, 570nm Bandpass Filter, 590nm Bandpass Filter, 610nm Bandpass Filter, 635nm Bandpass Filter, 650nm Bandpass Filter, 680nm Bandpass Filter, 780nm Bandpass Filter, 808nm Bandpass Filter, 830nm Bandpass Filter, 850nm Bandpass Filter, 940nm Bandpass Filter, 1000nm Bandpass Filter, 1064nm Bandpass Filter, etc.
Product Advantages:
Single-piece design without gluing
Ultra-thin glass, only 1.1mm thick
Hard-coated, long service life
Accurate wavelength positioning
Ion evaporation coating, small temperature drift
High transmittance
High cut-off depth
Application Fields:
Fluorescence analyzers, enzyme immunoassay analyzers, cable TV upgrade equipment, wireless transmission equipment, mobile phone barcode scanners, infrared electronic whiteboards, infrared cameras, infrared touch screens, iris recognition, infrared medical instruments, infrared ink recognition, red film recognition, face recognition sensor systems. Handheld infrared laser rangefinders, laser rangefinders, optical instruments, medical and health equipment, and detection instruments.
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