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Help Center1350nm Infrared Filter, Near-infrared Imaging Detection Dedicated Narrowband High Transmittance Optical Filter Lens
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This product is a 1350nm central wavelength narrowband infrared filter, which uses BK7 optical glass, fused silica and other high permeability substrates, coupled with the ion assisted hard film multi-layer medium coating process. The film is compact and has strong adhesion, temperature and humidity resistance, and is not easy to drift off the film. It is suitable for long-term stable industrial use. Excellent spectral performance, with a peak transmittance of over 80% in the 1350nm passband and a customizable bandwidth of 10-50nm. The cut-off depth for ultraviolet, visible, and other infrared impurities can reach OD4-OD6, effectively shielding environmental interference light and greatly improving imaging and detection signal-to-noise ratio.
The lens size, shape, and thickness can be customized as needed for circular or square shapes with precise tolerances. The effective light transmission area is clean and flawless, with small angular offsets and excellent spectral stability in oblique incidence scenarios. Widely applicable to 1350nm laser ranging, fiber optic communication, spectrum analyzer, near-infrared machine vision, infrared sensing detection, optical detection equipment and other scenarios, accurately screen target infrared light sources, eliminate natural light and light stray light interference.
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